i386: Add tests for -malign-branch-boundary and -malign-branch
authorH.J. Lu <hjl.tools@gmail.com>
Thu, 12 Dec 2019 19:58:50 +0000 (11:58 -0800)
committerH.J. Lu <hjl.tools@gmail.com>
Thu, 12 Dec 2019 20:03:45 +0000 (12:03 -0800)
Add tests for -malign-branch-boundary, -malign-branch and
-mbranches-within-32B-boundaries.

gas/

* testsuite/gas/i386/align-branch-1.s: New file.
* testsuite/gas/i386/align-branch-1a.d: Likewise.
* testsuite/gas/i386/align-branch-1b.d: Likewise.
* testsuite/gas/i386/align-branch-1c.d: Likewise.
* testsuite/gas/i386/align-branch-1d.d: Likewise.
* testsuite/gas/i386/align-branch-1e.d: Likewise.
* testsuite/gas/i386/align-branch-1f.d: Likewise.
* testsuite/gas/i386/align-branch-1g.d: Likewise.
* testsuite/gas/i386/align-branch-1h.d: Likewise.
* testsuite/gas/i386/align-branch-2.s: Likewise.
* testsuite/gas/i386/align-branch-2a.d: Likewise.
* testsuite/gas/i386/align-branch-2b.d: Likewise.
* testsuite/gas/i386/align-branch-2c.d: Likewise.
* testsuite/gas/i386/align-branch-3.d: Likewise.
* testsuite/gas/i386/align-branch-3.s: Likewise.
* testsuite/gas/i386/align-branch-4.s: Likewise.
* testsuite/gas/i386/align-branch-4a.d: Likewise.
* testsuite/gas/i386/align-branch-4b.d: Likewise.
* testsuite/gas/i386/align-branch-5.d: Likewise.
* testsuite/gas/i386/align-branch-5.s: Likewise.
* testsuite/gas/i386/align-branch-6.d: Likewise.
* testsuite/gas/i386/align-branch-6.s: Likewise.
* testsuite/gas/i386/align-branch-7.d: Likewise.
* testsuite/gas/i386/align-branch-7.s: Likewise.
* testsuite/gas/i386/align-branch-8.d: Likewise.
* testsuite/gas/i386/align-branch-8.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1a.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1b.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1c.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1d.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1e.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1f.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1g.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-1h.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-2.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-2a.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-2b.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-2c.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-3.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-3.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-4.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-4a.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-4b.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-5.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-6.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-7.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-7.s: Likewise.
* testsuite/gas/i386/x86-64-align-branch-8.d: Likewise.
* testsuite/gas/i386/x86-64-align-branch-8.s: Likewise.
* testsuite/gas/i386/i386.exp: Run new tests.

ld/

* testsuite/ld-i386/align-branch-1.d: New file.
* testsuite/ld-i386/align-branch-1.s: Likewise.
* testsuite/ld-x86-64/align-branch-1.d: Likewise.
* testsuite/ld-x86-64/align-branch-1.3: Likewise.
* testsuite/ld-i386/i386.exp: Run the new test.
* testsuite/ld-x86-64/x86-64.exp: Likewise.

62 files changed:
gas/ChangeLog
gas/testsuite/gas/i386/align-branch-1.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1a.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1b.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1c.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1d.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1e.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1f.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1g.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1h.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-1i.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-2.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-2a.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-2b.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-2c.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-3.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-3.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-4.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-4a.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-4b.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-5.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-5.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-6.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-6.e [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-6.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-7.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-7.s [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-8.d [new file with mode: 0644]
gas/testsuite/gas/i386/align-branch-8.s [new file with mode: 0644]
gas/testsuite/gas/i386/i386.exp
gas/testsuite/gas/i386/x86-64-align-branch-1.s [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1a.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1b.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1c.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1d.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1e.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1f.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1g.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1h.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-1i.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-2.s [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-2a.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-2b.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-2c.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-3.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-3.s [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-4.s [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-4a.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-4b.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-5.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-6.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-7.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-7.s [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-8.d [new file with mode: 0644]
gas/testsuite/gas/i386/x86-64-align-branch-8.s [new file with mode: 0644]
ld/ChangeLog
ld/testsuite/ld-i386/align-branch-1.d [new file with mode: 0644]
ld/testsuite/ld-i386/align-branch-1.s [new file with mode: 0644]
ld/testsuite/ld-i386/i386.exp
ld/testsuite/ld-x86-64/align-branch-1.d [new file with mode: 0644]
ld/testsuite/ld-x86-64/align-branch-1.s [new file with mode: 0644]
ld/testsuite/ld-x86-64/x86-64.exp

index c6f776c028f5f22a9352c793601f601cf8a3096f..4675ec817697cf38ef709b759fcc45b7acfe40f3 100644 (file)
@@ -1,3 +1,57 @@
+2019-12-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/gas/i386/align-branch-1.s: New file.
+       * testsuite/gas/i386/align-branch-1a.d: Likewise.
+       * testsuite/gas/i386/align-branch-1b.d: Likewise.
+       * testsuite/gas/i386/align-branch-1c.d: Likewise.
+       * testsuite/gas/i386/align-branch-1d.d: Likewise.
+       * testsuite/gas/i386/align-branch-1e.d: Likewise.
+       * testsuite/gas/i386/align-branch-1f.d: Likewise.
+       * testsuite/gas/i386/align-branch-1g.d: Likewise.
+       * testsuite/gas/i386/align-branch-1h.d: Likewise.
+       * testsuite/gas/i386/align-branch-2.s: Likewise.
+       * testsuite/gas/i386/align-branch-2a.d: Likewise.
+       * testsuite/gas/i386/align-branch-2b.d: Likewise.
+       * testsuite/gas/i386/align-branch-2c.d: Likewise.
+       * testsuite/gas/i386/align-branch-3.d: Likewise.
+       * testsuite/gas/i386/align-branch-3.s: Likewise.
+       * testsuite/gas/i386/align-branch-4.s: Likewise.
+       * testsuite/gas/i386/align-branch-4a.d: Likewise.
+       * testsuite/gas/i386/align-branch-4b.d: Likewise.
+       * testsuite/gas/i386/align-branch-5.d: Likewise.
+       * testsuite/gas/i386/align-branch-5.s: Likewise.
+       * testsuite/gas/i386/align-branch-6.d: Likewise.
+       * testsuite/gas/i386/align-branch-6.s: Likewise.
+       * testsuite/gas/i386/align-branch-7.d: Likewise.
+       * testsuite/gas/i386/align-branch-7.s: Likewise.
+       * testsuite/gas/i386/align-branch-8.d: Likewise.
+       * testsuite/gas/i386/align-branch-8.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1a.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1b.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1c.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1d.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1e.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1f.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1g.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-1h.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-2.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-2a.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-2b.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-2c.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-3.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-3.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-4.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-4a.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-4b.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-5.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-6.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-7.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-7.s: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-8.d: Likewise.
+       * testsuite/gas/i386/x86-64-align-branch-8.s: Likewise.
+       * testsuite/gas/i386/i386.exp: Run new tests.
+
 2019-12-12  H.J. Lu  <hongjiu.lu@intel.com>
 
        * config/tc-i386.c (OPTION_MBRANCHES_WITH_32B_BOUNDARIES): New.
diff --git a/gas/testsuite/gas/i386/align-branch-1.s b/gas/testsuite/gas/i386/align-branch-1.s
new file mode 100644 (file)
index 0000000..06bf98a
--- /dev/null
@@ -0,0 +1,72 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl %eax, %gs:0x1
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  movl  %esp, %ebp
+  movl  %edi, -8(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  cmp  %eax, %ebp
+  je  .L_2
+  movl  %esi, -12(%ebx)
+  movl  %esi, -12(%ebp)
+  movl  %edi, -8(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  popl  %ebp
+  popl  %ebp
+  popl  %ebp
+  je  .L_2
+  popl  %ebp
+  je  .L_2
+  movl  %eax, -4(%esp)
+  movl  %esi, -12(%ebp)
+  movl  %edi, -8(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  popl  %ebp
+  jmp  .L_3
+  jmp  .L_3
+  jmp  .L_3
+  movl  %eax, -4(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %edi, -8(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  popl  %ebp
+  popl  %ebp
+  cmp  %eax, %ebp
+  je  .L_2
+  jmp  .L_3
+.L_2:
+  movl  -12(%ebp), %eax
+  movl  %eax, -4(%ebp)
+.L_3:
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, 12(%ebp)
+  jmp  bar
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, -1200(%ebp)
+  movl  %esi, (%ebp)
+  je .L_3
+  je .L_3
diff --git a/gas/testsuite/gas/i386/align-branch-1a.d b/gas/testsuite/gas/i386/align-branch-1a.d
new file mode 100644 (file)
index 0000000..46b7921
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 65 65 a3 01 00 00 00         gs gs mov %eax,%gs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5e                   je     82 <foo\+0x82>
+  24:  3e 89 73 f4             mov    %esi,%ds:-0xc\(%ebx\)
+  28:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  5d                      pop    %ebp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %ebp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  36 89 44 24 fc          mov    %eax,%ss:-0x4\(%esp\)
+  4a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4d:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  50:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  53:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  56:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  59:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5f:  5d                      pop    %ebp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  78:  5d                      pop    %ebp
+  79:  5d                      pop    %ebp
+  7a:  39 c5                   cmp    %eax,%ebp
+  7c:  74 04                   je     82 <foo\+0x82>
+  7e:  66 90                   xchg   %ax,%ax
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a0:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a3:  e9 [0-9a-f ]+           jmp    .*
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  c0:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c3:  74 c3                   je     88 <foo\+0x88>
+  c5:  74 c1                   je     88 <foo\+0x88>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1b.d b/gas/testsuite/gas/i386/align-branch-1b.d
new file mode 100644 (file)
index 0000000..b3f0e72
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 65 65 a3 01 00 00 00         gs gs mov %eax,%gs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5e                   je     82 <foo\+0x82>
+  24:  3e 89 73 f4             mov    %esi,%ds:-0xc\(%ebx\)
+  28:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  5d                      pop    %ebp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %ebp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  36 89 44 24 fc          mov    %eax,%ss:-0x4\(%esp\)
+  4a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4d:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  50:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  53:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  56:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  59:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5f:  5d                      pop    %ebp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  78:  5d                      pop    %ebp
+  79:  5d                      pop    %ebp
+  7a:  39 c5                   cmp    %eax,%ebp
+  7c:  74 04                   je     82 <foo\+0x82>
+  7e:  66 90                   xchg   %ax,%ax
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a0:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a3:  e9 [0-9a-f ]+           jmp    .*
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  c0:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c3:  74 c3                   je     88 <foo\+0x88>
+  c5:  74 c1                   je     88 <foo\+0x88>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1c.d b/gas/testsuite/gas/i386/align-branch-1c.d
new file mode 100644 (file)
index 0000000..947dcc8
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=1
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 a3 01 00 00 00       mov    %eax,%gs:0x1
+   6:  3e 55                   ds push %ebp
+   8:  3e 55                   ds push %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5e                   je     82 <foo\+0x82>
+  24:  3e 89 73 f4             mov    %esi,%ds:-0xc\(%ebx\)
+  28:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  5d                      pop    %ebp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %ebp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  36 89 44 24 fc          mov    %eax,%ss:-0x4\(%esp\)
+  4a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4d:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  50:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  53:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  56:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  59:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5f:  5d                      pop    %ebp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  78:  5d                      pop    %ebp
+  79:  5d                      pop    %ebp
+  7a:  39 c5                   cmp    %eax,%ebp
+  7c:  74 04                   je     82 <foo\+0x82>
+  7e:  66 90                   xchg   %ax,%ax
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a0:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a3:  e9 [0-9a-f ]+           jmp    .*
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  c0:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c3:  74 c3                   je     88 <foo\+0x88>
+  c5:  74 c1                   je     88 <foo\+0x88>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1d.d b/gas/testsuite/gas/i386/align-branch-1d.d
new file mode 100644 (file)
index 0000000..db62f08
--- /dev/null
@@ -0,0 +1,76 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 65 65 a3 01 00 00 00         gs gs mov %eax,%gs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5b                   je     7f <foo\+0x7f>
+  24:  3e 89 73 f4             mov    %esi,%ds:-0xc\(%ebx\)
+  28:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  5d                      pop    %ebp
+  40:  74 3d                   je     7f <foo\+0x7f>
+  42:  5d                      pop    %ebp
+  43:  74 3a                   je     7f <foo\+0x7f>
+  45:  89 44 24 fc             mov    %eax,-0x4\(%esp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5e:  5d                      pop    %ebp
+  5f:  eb 24                   jmp    85 <foo\+0x85>
+  61:  eb 22                   jmp    85 <foo\+0x85>
+  63:  eb 20                   jmp    85 <foo\+0x85>
+  65:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  68:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  71:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  74:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  77:  5d                      pop    %ebp
+  78:  5d                      pop    %ebp
+  79:  39 c5                   cmp    %eax,%ebp
+  7b:  74 02                   je     7f <foo\+0x7f>
+  7d:  eb 06                   jmp    85 <foo\+0x85>
+  7f:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  82:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  85:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8b:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  91:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  97:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9d:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a0:  e9 [0-9a-f ]+           jmp    .*
+  a5:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ab:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b1:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b7:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  bd:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c0:  74 c3                   je     85 <foo\+0x85>
+  c2:  74 c1                   je     85 <foo\+0x85>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1e.d b/gas/testsuite/gas/i386/align-branch-1e.d
new file mode 100644 (file)
index 0000000..dafbee1
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=jcc
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 a3 01 00 00 00       mov    %eax,%gs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  39 c5                   cmp    %eax,%ebp
+  20:  74 5a                   je     7c <foo\+0x7c>
+  22:  89 73 f4                mov    %esi,-0xc\(%ebx\)
+  25:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  5d                      pop    %ebp
+  3b:  5d                      pop    %ebp
+  3c:  5d                      pop    %ebp
+  3d:  74 3d                   je     7c <foo\+0x7c>
+  3f:  5d                      pop    %ebp
+  40:  74 3a                   je     7c <foo\+0x7c>
+  42:  89 44 24 fc             mov    %eax,-0x4\(%esp\)
+  46:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  49:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  4c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  5d                      pop    %ebp
+  5c:  eb 24                   jmp    82 <foo\+0x82>
+  5e:  eb 22                   jmp    82 <foo\+0x82>
+  60:  eb 20                   jmp    82 <foo\+0x82>
+  62:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  65:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  68:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  71:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  74:  5d                      pop    %ebp
+  75:  5d                      pop    %ebp
+  76:  39 c5                   cmp    %eax,%ebp
+  78:  74 02                   je     7c <foo\+0x7c>
+  7a:  eb 06                   jmp    82 <foo\+0x82>
+  7c:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  7f:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  82:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  9d:  e9 [0-9a-f ]+           jmp    .*
+  a2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 75 00                mov    %esi,0x0\(%ebp\)
+  bd:  74 c3                   je     82 <foo\+0x82>
+  bf:  90                      nop
+  c0:  74 c0                   je     82 <foo\+0x82>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1f.d b/gas/testsuite/gas/i386/align-branch-1f.d
new file mode 100644 (file)
index 0000000..bf197c9
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 a3 01 00 00 00       mov    %eax,%gs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  39 c5                   cmp    %eax,%ebp
+  20:  74 5c                   je     7e <foo\+0x7e>
+  22:  89 73 f4                mov    %esi,-0xc\(%ebx\)
+  25:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  5d                      pop    %ebp
+  3b:  5d                      pop    %ebp
+  3c:  5d                      pop    %ebp
+  3d:  74 3f                   je     7e <foo\+0x7e>
+  3f:  5d                      pop    %ebp
+  40:  74 3c                   je     7e <foo\+0x7e>
+  42:  89 44 24 fc             mov    %eax,-0x4\(%esp\)
+  46:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  49:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  4c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  5d                      pop    %ebp
+  5c:  eb 27                   jmp    85 <foo\+0x85>
+  5e:  66 90                   xchg   %ax,%ax
+  60:  eb 23                   jmp    85 <foo\+0x85>
+  62:  eb 21                   jmp    85 <foo\+0x85>
+  64:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  67:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6a:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  70:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  73:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  76:  5d                      pop    %ebp
+  77:  5d                      pop    %ebp
+  78:  39 c5                   cmp    %eax,%ebp
+  7a:  74 02                   je     7e <foo\+0x7e>
+  7c:  eb 07                   jmp    85 <foo\+0x85>
+  7e:  36 8b 45 f4             mov    %ss:-0xc\(%ebp\),%eax
+  82:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  85:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8b:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  91:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  97:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9d:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a0:  e9 [0-9a-f ]+           jmp    .*
+  a5:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ab:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b1:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b7:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  bd:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c0:  74 c3                   je     85 <foo\+0x85>
+  c2:  74 c1                   je     85 <foo\+0x85>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1g.d b/gas/testsuite/gas/i386/align-branch-1g.d
new file mode 100644 (file)
index 0000000..6cae2cd
--- /dev/null
@@ -0,0 +1,77 @@
+#source: align-branch-1.s
+#as: -mbranches-within-32B-boundaries
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 65 65 a3 01 00 00 00         gs gs mov %eax,%gs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5e                   je     82 <foo\+0x82>
+  24:  3e 89 73 f4             mov    %esi,%ds:-0xc\(%ebx\)
+  28:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  5d                      pop    %ebp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %ebp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  36 89 44 24 fc          mov    %eax,%ss:-0x4\(%esp\)
+  4a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4d:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  50:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  53:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  56:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  59:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5f:  5d                      pop    %ebp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  78:  5d                      pop    %ebp
+  79:  5d                      pop    %ebp
+  7a:  39 c5                   cmp    %eax,%ebp
+  7c:  74 04                   je     82 <foo\+0x82>
+  7e:  66 90                   xchg   %ax,%ax
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a0:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a3:  e9 [0-9a-f ]+           jmp    .*
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  c0:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c3:  74 c3                   je     88 <foo\+0x88>
+  c5:  74 c1                   je     88 <foo\+0x88>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1h.d b/gas/testsuite/gas/i386/align-branch-1h.d
new file mode 100644 (file)
index 0000000..01871ee
--- /dev/null
@@ -0,0 +1,76 @@
+#source: align-branch-1.s
+#as: -mbranches-within-32B-boundaries -malign-branch-boundary=0
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 a3 01 00 00 00       mov    %eax,%gs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  39 c5                   cmp    %eax,%ebp
+  20:  74 5a                   je     7c <foo\+0x7c>
+  22:  89 73 f4                mov    %esi,-0xc\(%ebx\)
+  25:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  5d                      pop    %ebp
+  3b:  5d                      pop    %ebp
+  3c:  5d                      pop    %ebp
+  3d:  74 3d                   je     7c <foo\+0x7c>
+  3f:  5d                      pop    %ebp
+  40:  74 3a                   je     7c <foo\+0x7c>
+  42:  89 44 24 fc             mov    %eax,-0x4\(%esp\)
+  46:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  49:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  4c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  5d                      pop    %ebp
+  5c:  eb 24                   jmp    82 <foo\+0x82>
+  5e:  eb 22                   jmp    82 <foo\+0x82>
+  60:  eb 20                   jmp    82 <foo\+0x82>
+  62:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  65:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  68:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  71:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  74:  5d                      pop    %ebp
+  75:  5d                      pop    %ebp
+  76:  39 c5                   cmp    %eax,%ebp
+  78:  74 02                   je     7c <foo\+0x7c>
+  7a:  eb 06                   jmp    82 <foo\+0x82>
+  7c:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  7f:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  82:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  9d:  e9 [0-9a-f ]+           jmp    .*
+  a2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 75 00                mov    %esi,0x0\(%ebp\)
+  bd:  74 c3                   je     82 <foo\+0x82>
+  bf:  74 c1                   je     82 <foo\+0x82>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-1i.d b/gas/testsuite/gas/i386/align-branch-1i.d
new file mode 100644 (file)
index 0000000..e2cbc28
--- /dev/null
@@ -0,0 +1,80 @@
+#source: align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=0
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  65 a3 01 00 00 00       mov    %eax,%gs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  66 90                   xchg   %ax,%ax
+  20:  39 c5                   cmp    %eax,%ebp
+  22:  74 5e                   je     82 <foo\+0x82>
+  24:  89 73 f4                mov    %esi,-0xc\(%ebx\)
+  27:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2a:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  2d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  30:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3c:  5d                      pop    %ebp
+  3d:  5d                      pop    %ebp
+  3e:  5d                      pop    %ebp
+  3f:  90                      nop
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %ebp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  89 44 24 fc             mov    %eax,-0x4\(%esp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5e:  5d                      pop    %ebp
+  5f:  90                      nop
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%ebp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  78:  5d                      pop    %ebp
+  79:  5d                      pop    %ebp
+  7a:  39 c5                   cmp    %eax,%ebp
+  7c:  74 04                   je     82 <foo\+0x82>
+  7e:  66 90                   xchg   %ax,%ax
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%ebp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%ebp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  a0:  89 75 0c                mov    %esi,0xc\(%ebp\)
+  a3:  e9 [0-9a-f ]+           jmp    .*
+  a8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ae:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  b4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  ba:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%ebp\)
+  c0:  89 75 00                mov    %esi,0x0\(%ebp\)
+  c3:  74 c3                   je     88 <foo\+0x88>
+  c5:  74 c1                   je     88 <foo\+0x88>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-2.s b/gas/testsuite/gas/i386/align-branch-2.s
new file mode 100644 (file)
index 0000000..4a79bbb
--- /dev/null
@@ -0,0 +1,49 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  jmp  *%eax
+  pushl  %ebp
+  pushl  %ebp
+  movl  %eax, %fs:0x1
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  call *%eax
+  movl  %esi, -12(%ebp)
+  pushl  %ebp
+  pushl  %ebp
+  movl  %eax, %fs:0x1
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  call  foo
+  movl  %esi, -12(%ebp)
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  movl  %eax, %fs:0x1
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  call  *foo
+  pushl  %ebp
diff --git a/gas/testsuite/gas/i386/align-branch-2a.d b/gas/testsuite/gas/i386/align-branch-2a.d
new file mode 100644 (file)
index 0000000..cba0560
--- /dev/null
@@ -0,0 +1,55 @@
+#source: align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  ff e0                   jmp    \*%eax
+  20:  55                      push   %ebp
+  21:  55                      push   %ebp
+  22:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  28:  89 e5                   mov    %esp,%ebp
+  2a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  30:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3c:  ff d0                   call   \*%eax
+  3e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  41:  55                      push   %ebp
+  42:  55                      push   %ebp
+  43:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  49:  89 e5                   mov    %esp,%ebp
+  4b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  4e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  57:  e8 [0-9a-f ]+           call   .*
+  5c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5f:  55                      push   %ebp
+  60:  55                      push   %ebp
+  61:  55                      push   %ebp
+  62:  55                      push   %ebp
+  63:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  69:  89 e5                   mov    %esp,%ebp
+  6b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  71:  ff 15 00 00 00 00       call   \*0x0
+  77:  55                      push   %ebp
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-2b.d b/gas/testsuite/gas/i386/align-branch-2b.d
new file mode 100644 (file)
index 0000000..7d879b6
--- /dev/null
@@ -0,0 +1,55 @@
+#source: align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=indirect
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 a3 01 00 00 00         fs fs mov %eax,%fs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  ff e0                   jmp    \*%eax
+  22:  3e 3e 55                ds ds push %ebp
+  25:  55                      push   %ebp
+  26:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  2c:  89 e5                   mov    %esp,%ebp
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  40:  ff d0                   call   \*%eax
+  42:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  45:  55                      push   %ebp
+  46:  55                      push   %ebp
+  47:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  4d:  89 e5                   mov    %esp,%ebp
+  4f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5b:  e8 [0-9a-f ]+           call   .*
+  60:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  63:  55                      push   %ebp
+  64:  55                      push   %ebp
+  65:  55                      push   %ebp
+  66:  55                      push   %ebp
+  67:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  6d:  89 e5                   mov    %esp,%ebp
+  6f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  75:  ff 15 00 00 00 00       call   \*0x0
+  7b:  55                      push   %ebp
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-2c.d b/gas/testsuite/gas/i386/align-branch-2c.d
new file mode 100644 (file)
index 0000000..2fc6339
--- /dev/null
@@ -0,0 +1,55 @@
+#source: align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=indirect+call
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 a3 01 00 00 00         fs fs mov %eax,%fs:0x1
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  ff e0                   jmp    \*%eax
+  22:  3e 3e 55                ds ds push %ebp
+  25:  55                      push   %ebp
+  26:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  2c:  89 e5                   mov    %esp,%ebp
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  40:  ff d0                   call   \*%eax
+  42:  36 36 36 36 36 89 75 f4         ss ss ss ss mov %esi,%ss:-0xc\(%ebp\)
+  4a:  55                      push   %ebp
+  4b:  55                      push   %ebp
+  4c:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  52:  89 e5                   mov    %esp,%ebp
+  54:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  57:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  5d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  60:  e8 [0-9a-f ]+           call   .*
+  65:  36 36 36 36 36 89 75 f4         ss ss ss ss mov %esi,%ss:-0xc\(%ebp\)
+  6d:  3e 55                   ds push %ebp
+  6f:  55                      push   %ebp
+  70:  55                      push   %ebp
+  71:  55                      push   %ebp
+  72:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  78:  89 e5                   mov    %esp,%ebp
+  7a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  7d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  80:  ff 15 00 00 00 00       call   \*0x0
+  86:  55                      push   %ebp
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-3.d b/gas/testsuite/gas/i386/align-branch-3.d
new file mode 100644 (file)
index 0000000..da31b6f
--- /dev/null
@@ -0,0 +1,33 @@
+#as: -malign-branch-boundary=32 -malign-branch=indirect+call
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  89 e5                   mov    %esp,%ebp
+   c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+   f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1e:  e8 fc ff ff ff          call   1f <foo\+0x1f>
+  23:  55                      push   %ebp
+  24:  55                      push   %ebp
+  25:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  2b:  89 e5                   mov    %esp,%ebp
+  2d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  30:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3c:  ff 91 00 00 00 00       call   \*0x0\(%ecx\)
+  42:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-3.s b/gas/testsuite/gas/i386/align-branch-3.s
new file mode 100644 (file)
index 0000000..e3e6c44
--- /dev/null
@@ -0,0 +1,28 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  call ___tls_get_addr
+  pushl  %ebp
+  pushl  %ebp
+  movl  %eax, %fs:0x1
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  call *___tls_get_addr@GOT(%ecx)
+  movl  %esi, -12(%ebp)
diff --git a/gas/testsuite/gas/i386/align-branch-4.s b/gas/testsuite/gas/i386/align-branch-4.s
new file mode 100644 (file)
index 0000000..34ff361
--- /dev/null
@@ -0,0 +1,30 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  pushl  %ebp
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  ret
+  pushl  %ebp
+  pushl  %ebp
+  movl  %eax, %fs:0x1
+  movl  %esp, %ebp
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  ret  $30
+  movl  %esi, -12(%ebp)
diff --git a/gas/testsuite/gas/i386/align-branch-4a.d b/gas/testsuite/gas/i386/align-branch-4a.d
new file mode 100644 (file)
index 0000000..2b1e0b1
--- /dev/null
@@ -0,0 +1,36 @@
+#source: align-branch-4.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+   6:  55                      push   %ebp
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  89 e5                   mov    %esp,%ebp
+   d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  10:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  13:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  16:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  19:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1c:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1f:  c3                      ret    
+  20:  55                      push   %ebp
+  21:  55                      push   %ebp
+  22:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  28:  89 e5                   mov    %esp,%ebp
+  2a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  2d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  30:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3c:  c2 1e 00                ret    \$0x1e
+  3f:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-4b.d b/gas/testsuite/gas/i386/align-branch-4b.d
new file mode 100644 (file)
index 0000000..c7690d3
--- /dev/null
@@ -0,0 +1,36 @@
+#source: align-branch-4.s
+#as: -malign-branch-boundary=32 -malign-branch=ret
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 a3 01 00 00 00    fs mov %eax,%fs:0x1
+   7:  55                      push   %ebp
+   8:  55                      push   %ebp
+   9:  55                      push   %ebp
+   a:  55                      push   %ebp
+   b:  55                      push   %ebp
+   c:  89 e5                   mov    %esp,%ebp
+   e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  20:  c3                      ret    
+  21:  3e 3e 3e 55             ds ds ds push %ebp
+  25:  55                      push   %ebp
+  26:  64 a3 01 00 00 00       mov    %eax,%fs:0x1
+  2c:  89 e5                   mov    %esp,%ebp
+  2e:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+  40:  c2 1e 00                ret    \$0x1e
+  43:  89 75 f4                mov    %esi,-0xc\(%ebp\)
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-5.d b/gas/testsuite/gas/i386/align-branch-5.d
new file mode 100644 (file)
index 0000000..1f11427
--- /dev/null
@@ -0,0 +1,36 @@
+#as: -malign-branch-boundary=32 -malign-branch=jcc+fused+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  c1 e9 02                shr    \$0x2,%ecx
+   3:  c1 e9 02                shr    \$0x2,%ecx
+   6:  c1 e9 02                shr    \$0x2,%ecx
+   9:  89 d1                   mov    %edx,%ecx
+   b:  31 c0                   xor    %eax,%eax
+   d:  c1 e9 02                shr    \$0x2,%ecx
+  10:  c1 e9 02                shr    \$0x2,%ecx
+  13:  c1 e9 02                shr    \$0x2,%ecx
+  16:  c1 e9 02                shr    \$0x2,%ecx
+  19:  c1 e9 02                shr    \$0x2,%ecx
+  1c:  c1 e9 02                shr    \$0x2,%ecx
+  1f:  f6 c2 02                test   \$0x2,%dl
+  22:  f3 ab                   rep stos %eax,%es:\(%edi\)
+  24:  75 dd                   jne    3 <foo\+0x3>
+  26:  31 c0                   xor    %eax,%eax
+  28:  c1 e9 02                shr    \$0x2,%ecx
+  2b:  c1 e9 02                shr    \$0x2,%ecx
+  2e:  c1 e9 02                shr    \$0x2,%ecx
+  31:  89 d1                   mov    %edx,%ecx
+  33:  31 c0                   xor    %eax,%eax
+  35:  c1 e9 02                shr    \$0x2,%ecx
+  38:  c1 e9 02                shr    \$0x2,%ecx
+  3b:  c1 e9 02                shr    \$0x2,%ecx
+  3e:  f6 c2 02                test   \$0x2,%dl
+  41:  e8 [0-9a-f ]+           call   .*
+  46:  75 e3                   jne    2b <foo\+0x2b>
+  48:  31 c0                   xor    %eax,%eax
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-5.s b/gas/testsuite/gas/i386/align-branch-5.s
new file mode 100644 (file)
index 0000000..58e3b91
--- /dev/null
@@ -0,0 +1,32 @@
+       .text
+       .p2align 4,,15
+foo:
+       shrl    $2, %ecx
+.L1:
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       movl    %edx, %ecx
+       xorl    %eax, %eax
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       testb   $2, %dl
+       rep stosl
+       jne     .L1
+       xorl    %eax, %eax
+       shrl    $2, %ecx
+.L2:
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       movl    %edx, %ecx
+       xorl    %eax, %eax
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       shrl    $2, %ecx
+       testb   $2, %dl
+       call    bar
+       jne     .L2
+       xorl    %eax, %eax
diff --git a/gas/testsuite/gas/i386/align-branch-6.d b/gas/testsuite/gas/i386/align-branch-6.d
new file mode 100644 (file)
index 0000000..29e2787
--- /dev/null
@@ -0,0 +1,22 @@
+#as: -malign-branch-boundary=32 -D
+#objdump: -dw
+#warning_output: align-branch-6.e
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <_start>:
+ +[a-f0-9]+:   eb 3c                   jmp    3e <_start\+0x3e>
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d b4 26 00 00 00 00    lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   8d 74 26 00             lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   f2 73 bf                bnd jae 0 <_start>
+ +[a-f0-9]+:   c3                      ret    
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-6.e b/gas/testsuite/gas/i386/align-branch-6.e
new file mode 100644 (file)
index 0000000..c337835
--- /dev/null
@@ -0,0 +1,2 @@
+.*: Assembler messages:
+.*:4: Warning: `constant directive` skips -malign-branch-boundary on `jnc`
diff --git a/gas/testsuite/gas/i386/align-branch-6.s b/gas/testsuite/gas/i386/align-branch-6.s
new file mode 100644 (file)
index 0000000..41a9277
--- /dev/null
@@ -0,0 +1,7 @@
+       .text
+_start:
+.L0:
+       .nops 62
+       .byte 0xf2
+       jnc     .L0
+       ret
diff --git a/gas/testsuite/gas/i386/align-branch-7.d b/gas/testsuite/gas/i386/align-branch-7.d
new file mode 100644 (file)
index 0000000..7f8c338
--- /dev/null
@@ -0,0 +1,18 @@
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=4
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+ +[a-f0-9]+:   3e 66 0f 3a 60 00 03    pcmpestrm \$0x3,%ds:\(%eax\),%xmm0
+ +[a-f0-9]+:   3e 3e 89 e5             ds ds mov %esp,%ebp
+ +[a-f0-9]+:   89 bd 1c ff ff ff       mov    %edi,-0xe4\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   65 a3 01 00 00 00       mov    %eax,%gs:0x1
+ +[a-f0-9]+:   a8 04                   test   \$0x4,%al
+ +[a-f0-9]+:   70 dc                   jo     0 <foo>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-7.s b/gas/testsuite/gas/i386/align-branch-7.s
new file mode 100644 (file)
index 0000000..370eedb
--- /dev/null
@@ -0,0 +1,14 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+.L1:
+  pcmpestrm $3, (%eax), %xmm0
+  movl  %esp, %ebp
+  movl  %edi, -228(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl %eax, %gs:0x1
+  testb $0x4,%al
+  jo  .L1
diff --git a/gas/testsuite/gas/i386/align-branch-8.d b/gas/testsuite/gas/i386/align-branch-8.d
new file mode 100644 (file)
index 0000000..ee7ae71
--- /dev/null
@@ -0,0 +1,18 @@
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=4
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+ +[a-f0-9]+:   3e c4 e3 79 60 00 03    vpcmpestrm \$0x3,%ds:\(%eax\),%xmm0
+ +[a-f0-9]+:   3e 3e 89 e5             ds ds mov %esp,%ebp
+ +[a-f0-9]+:   89 bd 1c ff ff ff       mov    %edi,-0xe4\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%ebp\)
+ +[a-f0-9]+:   65 a3 01 00 00 00       mov    %eax,%gs:0x1
+ +[a-f0-9]+:   a8 04                   test   \$0x4,%al
+ +[a-f0-9]+:   70 dc                   jo     0 <foo>
+#pass
diff --git a/gas/testsuite/gas/i386/align-branch-8.s b/gas/testsuite/gas/i386/align-branch-8.s
new file mode 100644 (file)
index 0000000..85a7fb6
--- /dev/null
@@ -0,0 +1,14 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+.L1:
+  vpcmpestrm $3, (%eax), %xmm0
+  movl  %esp, %ebp
+  movl  %edi, -228(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl  %esi, -12(%ebp)
+  movl %eax, %gs:0x1
+  testb $0x4,%al
+  jo  .L1
index f4c7ce75e976d50bcae0e3630b34dad30c7df183..c31ffab2680d02830895faafe188bf4c11ce358a 100644 (file)
@@ -498,6 +498,24 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_list_test "optimize-6a" "-I${srcdir}/$subdir -march=+noavx -al"
     run_dump_test "optimize-6b"
     run_list_test "optimize-7" "-I${srcdir}/$subdir -march=+noavx2 -al"
+    run_dump_test "align-branch-1a"
+    run_dump_test "align-branch-1b"
+    run_dump_test "align-branch-1c"
+    run_dump_test "align-branch-1d"
+    run_dump_test "align-branch-1e"
+    run_dump_test "align-branch-1f"
+    run_dump_test "align-branch-1g"
+    run_dump_test "align-branch-1h"
+    run_dump_test "align-branch-1i"
+    run_dump_test "align-branch-2a"
+    run_dump_test "align-branch-2b"
+    run_dump_test "align-branch-2c"
+    run_dump_test "align-branch-4a"
+    run_dump_test "align-branch-4b"
+    run_dump_test "align-branch-5"
+    run_dump_test "align-branch-6"
+    run_dump_test "align-branch-7"
+    run_dump_test "align-branch-8"
 
     # These tests require support for 8 and 16 bit relocs,
     # so we only run them for ELF and COFF targets.
@@ -573,6 +591,10 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
        run_dump_test "property-1"
        run_dump_test "property-2"
 
+       if {[istarget "*-*-linux*"]} then {
+           run_dump_test "align-branch-3"
+       }
+
        if { [gas_64_check] } then {
            run_dump_test "att-regs"
            run_dump_test "intel-regs"
@@ -1032,6 +1054,24 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_list_test "x86-64-optimize-7a" "-I${srcdir}/$subdir -march=+noavx -al"
     run_dump_test "x86-64-optimize-7b"
     run_list_test "x86-64-optimize-8" "-I${srcdir}/$subdir -march=+noavx2 -al"
+    run_dump_test "x86-64-align-branch-1a"
+    run_dump_test "x86-64-align-branch-1b"
+    run_dump_test "x86-64-align-branch-1c"
+    run_dump_test "x86-64-align-branch-1d"
+    run_dump_test "x86-64-align-branch-1e"
+    run_dump_test "x86-64-align-branch-1f"
+    run_dump_test "x86-64-align-branch-1g"
+    run_dump_test "x86-64-align-branch-1h"
+    run_dump_test "x86-64-align-branch-1i"
+    run_dump_test "x86-64-align-branch-2a"
+    run_dump_test "x86-64-align-branch-2b"
+    run_dump_test "x86-64-align-branch-2c"
+    run_dump_test "x86-64-align-branch-4a"
+    run_dump_test "x86-64-align-branch-4b"
+    run_dump_test "x86-64-align-branch-5"
+    run_dump_test "x86-64-align-branch-6"
+    run_dump_test "x86-64-align-branch-7"
+    run_dump_test "x86-64-align-branch-8"
 
     if { ![istarget "*-*-aix*"]
       && ![istarget "*-*-beos*"]
@@ -1096,6 +1136,11 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
        run_dump_test "evex-no-scale-64"
        run_dump_test "x86-64-property-1"
        run_dump_test "x86-64-property-2"
+
+       if {[istarget "*-*-linux*"]} then {
+           run_dump_test "x86-64-align-branch-3"
+       }
+
     }
 
     set ASFLAGS "$old_ASFLAGS"
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1.s b/gas/testsuite/gas/i386/x86-64-align-branch-1.s
new file mode 100644 (file)
index 0000000..74b3e7a
--- /dev/null
@@ -0,0 +1,70 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  cmp  %rax, %rbp
+  je  .L_2
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %edi, -8(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  popq  %rbp
+  popq  %rbp
+  je  .L_2
+  popq  %rbp
+  je  .L_2
+  movl  %eax, -4(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %edi, -8(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  popq  %rbp
+  popq  %rbp
+  jmp  .L_3
+  jmp  .L_3
+  jmp  .L_3
+  movl  %eax, -4(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %edi, -8(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  popq  %rbp
+  popq  %rbp
+  cmp  %rax, %rbp
+  je  .L_2
+  jmp  .L_3
+.L_2:
+  movl  -12(%rbp), %eax
+  movl  %eax, -4(%rbp)
+.L_3:
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  movl  %esi, -1200(%rbp)
+  jmp  .L_3
+  popq  %rbp
+  retq
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1a.d b/gas/testsuite/gas/i386/x86-64-align-branch-1a.d
new file mode 100644 (file)
index 0000000..f96808a
--- /dev/null
@@ -0,0 +1,75 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 64 89 04 25 01 00 00 00        fs fs fs mov %eax,%fs:0x1
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5d                   je     82 <foo\+0x82>
+  25:  2e 89 75 f4             mov    %esi,%cs:-0xc\(%rbp\)
+  29:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  32:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  35:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  38:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3e:  5d                      pop    %rbp
+  3f:  5d                      pop    %rbp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %rbp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  2e 89 45 fc             mov    %eax,%cs:-0x4\(%rbp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5e:  5d                      pop    %rbp
+  5f:  5d                      pop    %rbp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  78:  5d                      pop    %rbp
+  79:  5d                      pop    %rbp
+  7a:  48 39 c5                cmp    %rax,%rbp
+  7d:  74 03                   je     82 <foo\+0x82>
+  7f:  90                      nop
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c4:  eb c2                   jmp    88 <foo\+0x88>
+  c6:  5d                      pop    %rbp
+  c7:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1b.d b/gas/testsuite/gas/i386/x86-64-align-branch-1b.d
new file mode 100644 (file)
index 0000000..10b3476
--- /dev/null
@@ -0,0 +1,75 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 64 89 04 25 01 00 00 00        fs fs fs mov %eax,%fs:0x1
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5d                   je     82 <foo\+0x82>
+  25:  2e 89 75 f4             mov    %esi,%cs:-0xc\(%rbp\)
+  29:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  32:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  35:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  38:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3e:  5d                      pop    %rbp
+  3f:  5d                      pop    %rbp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %rbp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  2e 89 45 fc             mov    %eax,%cs:-0x4\(%rbp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5e:  5d                      pop    %rbp
+  5f:  5d                      pop    %rbp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  78:  5d                      pop    %rbp
+  79:  5d                      pop    %rbp
+  7a:  48 39 c5                cmp    %rax,%rbp
+  7d:  74 03                   je     82 <foo\+0x82>
+  7f:  90                      nop
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c4:  eb c2                   jmp    88 <foo\+0x88>
+  c6:  5d                      pop    %rbp
+  c7:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1c.d b/gas/testsuite/gas/i386/x86-64-align-branch-1c.d
new file mode 100644 (file)
index 0000000..53c848a
--- /dev/null
@@ -0,0 +1,75 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=1
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  2e 55                   cs push %rbp
+   a:  2e 55                   cs push %rbp
+   c:  2e 55                   cs push %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5d                   je     82 <foo\+0x82>
+  25:  2e 89 75 f4             mov    %esi,%cs:-0xc\(%rbp\)
+  29:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  32:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  35:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  38:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3e:  5d                      pop    %rbp
+  3f:  5d                      pop    %rbp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %rbp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  2e 89 45 fc             mov    %eax,%cs:-0x4\(%rbp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5e:  5d                      pop    %rbp
+  5f:  5d                      pop    %rbp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  78:  5d                      pop    %rbp
+  79:  5d                      pop    %rbp
+  7a:  48 39 c5                cmp    %rax,%rbp
+  7d:  74 03                   je     82 <foo\+0x82>
+  7f:  90                      nop
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c4:  eb c2                   jmp    88 <foo\+0x88>
+  c6:  5d                      pop    %rbp
+  c7:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1d.d b/gas/testsuite/gas/i386/x86-64-align-branch-1d.d
new file mode 100644 (file)
index 0000000..ae6445b
--- /dev/null
@@ -0,0 +1,74 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 64 89 04 25 01 00 00 00        fs fs fs mov %eax,%fs:0x1
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5b                   je     80 <foo\+0x80>
+  25:  2e 89 75 f4             mov    %esi,%cs:-0xc\(%rbp\)
+  29:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  32:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  35:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  38:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3e:  5d                      pop    %rbp
+  3f:  5d                      pop    %rbp
+  40:  74 3e                   je     80 <foo\+0x80>
+  42:  5d                      pop    %rbp
+  43:  74 3b                   je     80 <foo\+0x80>
+  45:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  48:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4b:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  57:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5d:  5d                      pop    %rbp
+  5e:  5d                      pop    %rbp
+  5f:  eb 25                   jmp    86 <foo\+0x86>
+  61:  eb 23                   jmp    86 <foo\+0x86>
+  63:  eb 21                   jmp    86 <foo\+0x86>
+  65:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  68:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6b:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  71:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  74:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  77:  5d                      pop    %rbp
+  78:  5d                      pop    %rbp
+  79:  48 39 c5                cmp    %rax,%rbp
+  7c:  74 02                   je     80 <foo\+0x80>
+  7e:  eb 06                   jmp    86 <foo\+0x86>
+  80:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  83:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  86:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8c:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  92:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  98:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a4:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  aa:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  bc:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c2:  eb c2                   jmp    86 <foo\+0x86>
+  c4:  5d                      pop    %rbp
+  c5:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1e.d b/gas/testsuite/gas/i386/x86-64-align-branch-1e.d
new file mode 100644 (file)
index 0000000..beb7744
--- /dev/null
@@ -0,0 +1,74 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=jcc
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  48 89 e5                mov    %rsp,%rbp
+   e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  48 39 c5                cmp    %rax,%rbp
+  20:  74 5b                   je     7d <foo\+0x7d>
+  22:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  25:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  5d                      pop    %rbp
+  3b:  5d                      pop    %rbp
+  3c:  74 3f                   je     7d <foo\+0x7d>
+  3e:  2e 5d                   cs pop %rbp
+  40:  74 3b                   je     7d <foo\+0x7d>
+  42:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  45:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  48:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  57:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5a:  5d                      pop    %rbp
+  5b:  5d                      pop    %rbp
+  5c:  eb 25                   jmp    83 <foo\+0x83>
+  5e:  eb 23                   jmp    83 <foo\+0x83>
+  60:  eb 21                   jmp    83 <foo\+0x83>
+  62:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  65:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  68:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  71:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  74:  5d                      pop    %rbp
+  75:  5d                      pop    %rbp
+  76:  48 39 c5                cmp    %rax,%rbp
+  79:  74 02                   je     7d <foo\+0x7d>
+  7b:  eb 06                   jmp    83 <foo\+0x83>
+  7d:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  80:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  83:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  89:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8f:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  95:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9b:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a1:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a7:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ad:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b3:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b9:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  bf:  eb c2                   jmp    83 <foo\+0x83>
+  c1:  5d                      pop    %rbp
+  c2:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1f.d b/gas/testsuite/gas/i386/x86-64-align-branch-1f.d
new file mode 100644 (file)
index 0000000..24fbf45
--- /dev/null
@@ -0,0 +1,75 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch=jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  48 89 e5                mov    %rsp,%rbp
+   e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  48 39 c5                cmp    %rax,%rbp
+  20:  74 5d                   je     7f <foo\+0x7f>
+  22:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  25:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  5d                      pop    %rbp
+  3b:  5d                      pop    %rbp
+  3c:  74 41                   je     7f <foo\+0x7f>
+  3e:  2e 5d                   cs pop %rbp
+  40:  74 3d                   je     7f <foo\+0x7f>
+  42:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  45:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  48:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  57:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5a:  5d                      pop    %rbp
+  5b:  5d                      pop    %rbp
+  5c:  eb 27                   jmp    85 <foo\+0x85>
+  5e:  66 90                   xchg   %ax,%ax
+  60:  eb 23                   jmp    85 <foo\+0x85>
+  62:  eb 21                   jmp    85 <foo\+0x85>
+  64:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  67:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6a:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  70:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  73:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  76:  5d                      pop    %rbp
+  77:  5d                      pop    %rbp
+  78:  48 39 c5                cmp    %rax,%rbp
+  7b:  74 02                   je     7f <foo\+0x7f>
+  7d:  eb 06                   jmp    85 <foo\+0x85>
+  7f:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  82:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  85:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8b:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  91:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  97:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9d:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a3:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a9:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  af:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b5:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  bb:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c1:  eb c2                   jmp    85 <foo\+0x85>
+  c3:  5d                      pop    %rbp
+  c4:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1g.d b/gas/testsuite/gas/i386/x86-64-align-branch-1g.d
new file mode 100644 (file)
index 0000000..6244940
--- /dev/null
@@ -0,0 +1,75 @@
+#source: x86-64-align-branch-1.s
+#as: -mbranches-within-32B-boundaries
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 64 89 04 25 01 00 00 00        fs fs fs mov %eax,%fs:0x1
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5d                   je     82 <foo\+0x82>
+  25:  2e 89 75 f4             mov    %esi,%cs:-0xc\(%rbp\)
+  29:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  32:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  35:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  38:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3e:  5d                      pop    %rbp
+  3f:  5d                      pop    %rbp
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %rbp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  2e 89 45 fc             mov    %eax,%cs:-0x4\(%rbp\)
+  49:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  52:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5e:  5d                      pop    %rbp
+  5f:  5d                      pop    %rbp
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  78:  5d                      pop    %rbp
+  79:  5d                      pop    %rbp
+  7a:  48 39 c5                cmp    %rax,%rbp
+  7d:  74 03                   je     82 <foo\+0x82>
+  7f:  90                      nop
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c4:  eb c2                   jmp    88 <foo\+0x88>
+  c6:  5d                      pop    %rbp
+  c7:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1h.d b/gas/testsuite/gas/i386/x86-64-align-branch-1h.d
new file mode 100644 (file)
index 0000000..a6022be
--- /dev/null
@@ -0,0 +1,74 @@
+#source: x86-64-align-branch-1.s
+#as: -mbranches-within-32B-boundaries -malign-branch-boundary=0
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  48 89 e5                mov    %rsp,%rbp
+   e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  48 39 c5                cmp    %rax,%rbp
+  20:  74 5a                   je     7c <foo\+0x7c>
+  22:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  25:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  28:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  5d                      pop    %rbp
+  3b:  5d                      pop    %rbp
+  3c:  74 3e                   je     7c <foo\+0x7c>
+  3e:  5d                      pop    %rbp
+  3f:  74 3b                   je     7c <foo\+0x7c>
+  41:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  44:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  47:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  50:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  53:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  56:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  59:  5d                      pop    %rbp
+  5a:  5d                      pop    %rbp
+  5b:  eb 25                   jmp    82 <foo\+0x82>
+  5d:  eb 23                   jmp    82 <foo\+0x82>
+  5f:  eb 21                   jmp    82 <foo\+0x82>
+  61:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  64:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  67:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  70:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  73:  5d                      pop    %rbp
+  74:  5d                      pop    %rbp
+  75:  48 39 c5                cmp    %rax,%rbp
+  78:  74 02                   je     7c <foo\+0x7c>
+  7a:  eb 06                   jmp    82 <foo\+0x82>
+  7c:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  7f:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  82:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  eb c2                   jmp    82 <foo\+0x82>
+  c0:  5d                      pop    %rbp
+  c1:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-1i.d b/gas/testsuite/gas/i386/x86-64-align-branch-1i.d
new file mode 100644 (file)
index 0000000..2493626
--- /dev/null
@@ -0,0 +1,78 @@
+#source: x86-64-align-branch-1.s
+#as: -malign-branch-boundary=32 -malign-branch-prefix-size=0
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  48 89 e5                mov    %rsp,%rbp
+   e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  0f 1f 00                nopl   \(%rax\)
+  20:  48 39 c5                cmp    %rax,%rbp
+  23:  74 5d                   je     82 <foo\+0x82>
+  25:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  28:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2b:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3d:  5d                      pop    %rbp
+  3e:  5d                      pop    %rbp
+  3f:  90                      nop
+  40:  74 40                   je     82 <foo\+0x82>
+  42:  5d                      pop    %rbp
+  43:  74 3d                   je     82 <foo\+0x82>
+  45:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  48:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  4b:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  4e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  57:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5d:  5d                      pop    %rbp
+  5e:  5d                      pop    %rbp
+  5f:  90                      nop
+  60:  eb 26                   jmp    88 <foo\+0x88>
+  62:  eb 24                   jmp    88 <foo\+0x88>
+  64:  eb 22                   jmp    88 <foo\+0x88>
+  66:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  69:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  6c:  89 7d f8                mov    %edi,-0x8\(%rbp\)
+  6f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  72:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  75:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  78:  5d                      pop    %rbp
+  79:  5d                      pop    %rbp
+  7a:  48 39 c5                cmp    %rax,%rbp
+  7d:  74 03                   je     82 <foo\+0x82>
+  7f:  90                      nop
+  80:  eb 06                   jmp    88 <foo\+0x88>
+  82:  8b 45 f4                mov    -0xc\(%rbp\),%eax
+  85:  89 45 fc                mov    %eax,-0x4\(%rbp\)
+  88:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  8e:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  94:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  9a:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a0:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  a6:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  ac:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b2:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  b8:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  be:  89 b5 50 fb ff ff       mov    %esi,-0x4b0\(%rbp\)
+  c4:  eb c2                   jmp    88 <foo\+0x88>
+  c6:  5d                      pop    %rbp
+  c7:  c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-2.s b/gas/testsuite/gas/i386/x86-64-align-branch-2.s
new file mode 100644 (file)
index 0000000..54999f8
--- /dev/null
@@ -0,0 +1,44 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  jmp  *%rax
+  pushq  %rbp
+  pushq  %rbp
+  movl  %eax, %fs:0x1
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  call *%rax
+  movl  %esi, -12(%rbp)
+  pushq  %rbp
+  pushq  %rbp
+  movl  %eax, %fs:0x1
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  call  foo
+  movl  %esi, -12(%rbp)
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  movl  %eax, %fs:0x1
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  call  *foo
+  pushq  %rbp
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-2a.d b/gas/testsuite/gas/i386/x86-64-align-branch-2a.d
new file mode 100644 (file)
index 0000000..aaf759d
--- /dev/null
@@ -0,0 +1,50 @@
+#source: x86-64-align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  55                      push   %rbp
+   c:  48 89 e5                mov    %rsp,%rbp
+   f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1e:  ff e0                   jmpq   \*%rax
+  20:  55                      push   %rbp
+  21:  55                      push   %rbp
+  22:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  2a:  48 89 e5                mov    %rsp,%rbp
+  2d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  30:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3c:  ff d0                   callq  \*%rax
+  3e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  41:  55                      push   %rbp
+  42:  55                      push   %rbp
+  43:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  4b:  48 89 e5                mov    %rsp,%rbp
+  4e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  51:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  54:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  57:  e8 [0-9a-f ]+           callq  .*
+  5c:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5f:  55                      push   %rbp
+  60:  55                      push   %rbp
+  61:  55                      push   %rbp
+  62:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  6a:  48 89 e5                mov    %rsp,%rbp
+  6d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  70:  ff 14 25 00 00 00 00    callq  \*0x0
+  77:  55                      push   %rbp
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-2b.d b/gas/testsuite/gas/i386/x86-64-align-branch-2b.d
new file mode 100644 (file)
index 0000000..720868e
--- /dev/null
@@ -0,0 +1,50 @@
+#source: x86-64-align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=indirect
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 89 04 25 01 00 00 00   fs fs mov %eax,%fs:0x1
+   a:  55                      push   %rbp
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  ff e0                   jmpq   \*%rax
+  22:  2e 2e 55                cs cs push %rbp
+  25:  55                      push   %rbp
+  26:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  2e:  48 89 e5                mov    %rsp,%rbp
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  40:  ff d0                   callq  \*%rax
+  42:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  45:  55                      push   %rbp
+  46:  55                      push   %rbp
+  47:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  4f:  48 89 e5                mov    %rsp,%rbp
+  52:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  55:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  58:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5b:  e8 [0-9a-f ]+           callq  .*
+  60:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  63:  55                      push   %rbp
+  64:  55                      push   %rbp
+  65:  55                      push   %rbp
+  66:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  6e:  48 89 e5                mov    %rsp,%rbp
+  71:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  74:  ff 14 25 00 00 00 00    callq  \*0x0
+  7b:  55                      push   %rbp
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-2c.d b/gas/testsuite/gas/i386/x86-64-align-branch-2c.d
new file mode 100644 (file)
index 0000000..fb87c49
--- /dev/null
@@ -0,0 +1,50 @@
+#source: x86-64-align-branch-2.s
+#as: -malign-branch-boundary=32 -malign-branch=indirect+call
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 64 89 04 25 01 00 00 00   fs fs mov %eax,%fs:0x1
+   a:  55                      push   %rbp
+   b:  55                      push   %rbp
+   c:  55                      push   %rbp
+   d:  55                      push   %rbp
+   e:  48 89 e5                mov    %rsp,%rbp
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  ff e0                   jmpq   \*%rax
+  22:  2e 2e 55                cs cs push %rbp
+  25:  55                      push   %rbp
+  26:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  2e:  48 89 e5                mov    %rsp,%rbp
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  40:  ff d0                   callq  \*%rax
+  42:  2e 2e 2e 2e 2e 89 75 f4         cs cs cs cs mov %esi,%cs:-0xc\(%rbp\)
+  4a:  55                      push   %rbp
+  4b:  55                      push   %rbp
+  4c:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  54:  48 89 e5                mov    %rsp,%rbp
+  57:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  5d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  60:  e8 [0-9a-f ]+           callq  .*
+  65:  2e 2e 2e 2e 2e 89 75 f4         cs cs cs cs mov %esi,%cs:-0xc\(%rbp\)
+  6d:  2e 2e 55                cs cs push %rbp
+  70:  55                      push   %rbp
+  71:  55                      push   %rbp
+  72:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  7a:  48 89 e5                mov    %rsp,%rbp
+  7d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  80:  ff 14 25 00 00 00 00    callq  \*0x0
+  87:  55                      push   %rbp
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-3.d b/gas/testsuite/gas/i386/x86-64-align-branch-3.d
new file mode 100644 (file)
index 0000000..18767a7
--- /dev/null
@@ -0,0 +1,32 @@
+#as: -malign-branch-boundary=32 -malign-branch=indirect+call
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  55                      push   %rbp
+   c:  48 89 e5                mov    %rsp,%rbp
+   f:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  12:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  15:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  18:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1e:  e8 00 00 00 00          callq  23 <foo\+0x23>
+  23:  55                      push   %rbp
+  24:  55                      push   %rbp
+  25:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  2d:  48 89 e5                mov    %rsp,%rbp
+  30:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  33:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  36:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  39:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3c:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3f:  ff 15 00 00 00 00       callq  \*0x0\(%rip\)        # 45 <foo\+0x45>
+  45:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-3.s b/gas/testsuite/gas/i386/x86-64-align-branch-3.s
new file mode 100644 (file)
index 0000000..6787cdc
--- /dev/null
@@ -0,0 +1,27 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  pushq  %rbp
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  call __tls_get_addr
+  pushq  %rbp
+  pushq  %rbp
+  movl  %eax, %fs:0x1
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  call *__tls_get_addr@GOTPCREL(%rip)
+  movl  %esi, -12(%rbp)
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-4.s b/gas/testsuite/gas/i386/x86-64-align-branch-4.s
new file mode 100644 (file)
index 0000000..9b546fe
--- /dev/null
@@ -0,0 +1,27 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+  movl  %eax, %fs:0x1
+  pushq  %rbp
+  pushq  %rbp
+  movq  %rsp, %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  ret
+  pushq  %rbp
+  movl  %eax, %fs:0x1
+  pushq  %rbp
+  pushq  %rbp
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  ret $30
+  pushq  %rbp
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-4a.d b/gas/testsuite/gas/i386/x86-64-align-branch-4a.d
new file mode 100644 (file)
index 0000000..47318e8
--- /dev/null
@@ -0,0 +1,33 @@
+#source: x86-64-align-branch-4.s
+#as: -malign-branch-boundary=32 -malign-branch=fused+jcc+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+   8:  55                      push   %rbp
+   9:  55                      push   %rbp
+   a:  48 89 e5                mov    %rsp,%rbp
+   d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  10:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  13:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  16:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  19:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1c:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1f:  c3                      retq   
+  20:  55                      push   %rbp
+  21:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  29:  55                      push   %rbp
+  2a:  55                      push   %rbp
+  2b:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3d:  c2 1e 00                retq   \$0x1e
+  40:  55                      push   %rbp
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-4b.d b/gas/testsuite/gas/i386/x86-64-align-branch-4b.d
new file mode 100644 (file)
index 0000000..9a030dd
--- /dev/null
@@ -0,0 +1,33 @@
+#source: x86-64-align-branch-4.s
+#as: -malign-branch-boundary=32 -malign-branch=ret
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  64 64 89 04 25 01 00 00 00      fs mov %eax,%fs:0x1
+   9:  55                      push   %rbp
+   a:  55                      push   %rbp
+   b:  48 89 e5                mov    %rsp,%rbp
+   e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  11:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  14:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  17:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  1d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  20:  c3                      retq   
+  21:  2e 2e 55                cs cs push %rbp
+  24:  64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+  2c:  55                      push   %rbp
+  2d:  55                      push   %rbp
+  2e:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  31:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  34:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  37:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3a:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  3d:  89 75 f4                mov    %esi,-0xc\(%rbp\)
+  40:  c2 1e 00                retq   \$0x1e
+  43:  55                      push   %rbp
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-5.d b/gas/testsuite/gas/i386/x86-64-align-branch-5.d
new file mode 100644 (file)
index 0000000..3a16c1b
--- /dev/null
@@ -0,0 +1,37 @@
+#source: align-branch-5.s
+#as: -malign-branch-boundary=32 -malign-branch=jcc+fused+jmp
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+   0:  c1 e9 02                shr    \$0x2,%ecx
+   3:  c1 e9 02                shr    \$0x2,%ecx
+   6:  c1 e9 02                shr    \$0x2,%ecx
+   9:  89 d1                   mov    %edx,%ecx
+   b:  31 c0                   xor    %eax,%eax
+   d:  c1 e9 02                shr    \$0x2,%ecx
+  10:  c1 e9 02                shr    \$0x2,%ecx
+  13:  c1 e9 02                shr    \$0x2,%ecx
+  16:  c1 e9 02                shr    \$0x2,%ecx
+  19:  c1 e9 02                shr    \$0x2,%ecx
+  1c:  c1 e9 02                shr    \$0x2,%ecx
+  1f:  f6 c2 02                test   \$0x2,%dl
+  22:  f3 ab                   rep stos %eax,%es:\(%rdi\)
+  24:  75 dd                   jne    3 <foo\+0x3>
+  26:  31 c0                   xor    %eax,%eax
+  28:  c1 e9 02                shr    \$0x2,%ecx
+  2b:  c1 e9 02                shr    \$0x2,%ecx
+  2e:  c1 e9 02                shr    \$0x2,%ecx
+  31:  89 d1                   mov    %edx,%ecx
+  33:  31 c0                   xor    %eax,%eax
+  35:  c1 e9 02                shr    \$0x2,%ecx
+  38:  c1 e9 02                shr    \$0x2,%ecx
+  3b:  c1 e9 02                shr    \$0x2,%ecx
+  3e:  f6 c2 02                test   \$0x2,%dl
+  41:  e8 00 00 00 00          callq  46 <foo\+0x46>
+  46:  75 e3                   jne    2b <foo\+0x2b>
+  48:  31 c0                   xor    %eax,%eax
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-6.d b/gas/testsuite/gas/i386/x86-64-align-branch-6.d
new file mode 100644 (file)
index 0000000..59a157c
--- /dev/null
@@ -0,0 +1,19 @@
+#source: align-branch-6.s
+#as: -mbranches-within-32B-boundaries -D
+#objdump: -dw
+#warning_output: align-branch-6.e
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <_start>:
+ +[a-f0-9]+:   66 66 2e 0f 1f 84 00 00 00 00 00        data16 nopw %cs:0x0\(%rax,%rax,1\)
+ +[a-f0-9]+:   66 66 2e 0f 1f 84 00 00 00 00 00        data16 nopw %cs:0x0\(%rax,%rax,1\)
+ +[a-f0-9]+:   66 66 2e 0f 1f 84 00 00 00 00 00        data16 nopw %cs:0x0\(%rax,%rax,1\)
+ +[a-f0-9]+:   66 66 2e 0f 1f 84 00 00 00 00 00        data16 nopw %cs:0x0\(%rax,%rax,1\)
+ +[a-f0-9]+:   66 66 2e 0f 1f 84 00 00 00 00 00        data16 nopw %cs:0x0\(%rax,%rax,1\)
+ +[a-f0-9]+:   0f 1f 80 00 00 00 00    nopl   0x0\(%rax\)
+ +[a-f0-9]+:   f2 73 bf                bnd jae 0 <_start>
+ +[a-f0-9]+:   c3                      retq   
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-7.d b/gas/testsuite/gas/i386/x86-64-align-branch-7.d
new file mode 100644 (file)
index 0000000..9454d53
--- /dev/null
@@ -0,0 +1,18 @@
+#as: -mbranches-within-32B-boundaries -malign-branch-prefix-size=4
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+ +[a-f0-9]+:   2e 66 0f 3a 60 00 03    pcmpestrm \$0x3,%cs:\(%rax\),%xmm0
+ +[a-f0-9]+:   2e 2e 48 89 e5          cs cs mov %rsp,%rbp
+ +[a-f0-9]+:   89 7d f8                mov    %edi,-0x8\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+ +[a-f0-9]+:   a8 04                   test   \$0x4,%al
+ +[a-f0-9]+:   70 dc                   jo     0 <foo>
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-7.s b/gas/testsuite/gas/i386/x86-64-align-branch-7.s
new file mode 100644 (file)
index 0000000..73f5807
--- /dev/null
@@ -0,0 +1,14 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+.L1:
+  pcmpestrm $3, (%rax), %xmm0
+  movq  %rsp, %rbp
+  movl  %edi, -8(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl %eax, %fs:0x1
+  testb $0x4,%al
+  jo  .L1
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-8.d b/gas/testsuite/gas/i386/x86-64-align-branch-8.d
new file mode 100644 (file)
index 0000000..bffabc1
--- /dev/null
@@ -0,0 +1,18 @@
+#as: -mbranches-within-32B-boundaries -malign-branch-prefix-size=4
+#objdump: -dw
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <foo>:
+ +[a-f0-9]+:   2e c4 63 79 60 38 03    vpcmpestrm \$0x3,%cs:\(%rax\),%xmm15
+ +[a-f0-9]+:   2e 2e 48 89 e5          cs cs mov %rsp,%rbp
+ +[a-f0-9]+:   89 7d f8                mov    %edi,-0x8\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   89 75 f4                mov    %esi,-0xc\(%rbp\)
+ +[a-f0-9]+:   64 89 04 25 01 00 00 00         mov    %eax,%fs:0x1
+ +[a-f0-9]+:   a8 04                   test   \$0x4,%al
+ +[a-f0-9]+:   70 dc                   jo     0 <foo>
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-align-branch-8.s b/gas/testsuite/gas/i386/x86-64-align-branch-8.s
new file mode 100644 (file)
index 0000000..bab825c
--- /dev/null
@@ -0,0 +1,14 @@
+  .text
+  .globl  foo
+  .p2align  4
+foo:
+.L1:
+  vpcmpestrm $3, (%rax), %xmm15
+  movq  %rsp, %rbp
+  movl  %edi, -8(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl  %esi, -12(%rbp)
+  movl %eax, %fs:0x1
+  testb $0x4,%al
+  jo  .L1
index a70421478bf6f44ce5fb41ba2de3235338376bbb..4b7e746498e81c76439430c09bec195f7d4a869d 100644 (file)
@@ -1,3 +1,12 @@
+2019-12-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/ld-i386/align-branch-1.d: New file.
+       * testsuite/ld-i386/align-branch-1.s: Likewise.
+       * testsuite/ld-x86-64/align-branch-1.d: Likewise.
+       * testsuite/ld-x86-64/align-branch-1.3: Likewise.
+       * testsuite/ld-i386/i386.exp: Run the new test.
+       * testsuite/ld-x86-64/x86-64.exp: Likewise.
+
 2019-12-08  Alan Modra  <amodra@gmail.com>
 
        * testsuite/ld-elf/eh4.d: Match optional padding DW_CFA_nop in FDEs.
diff --git a/ld/testsuite/ld-i386/align-branch-1.d b/ld/testsuite/ld-i386/align-branch-1.d
new file mode 100644 (file)
index 0000000..9eb7287
--- /dev/null
@@ -0,0 +1,25 @@
+#as: --32 -mbranches-within-32B-boundaries
+#ld: -melf_i386
+#objdump: -dw
+#notarget: i?86-*-nacl* x86_64-*-nacl*
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+[a-f0-9]+ <_start>:
+ +[a-f0-9]+:   85 d2                   test   %edx,%edx
+ +[a-f0-9]+:   74 20                   je     8049024 <_start\+0x24>
+ +[a-f0-9]+:   85 d2                   test   %edx,%edx
+ +[a-f0-9]+:   74 1c                   je     8049024 <_start\+0x24>
+ +[a-f0-9]+:   85 ff                   test   %edi,%edi
+ +[a-f0-9]+:   74 18                   je     8049024 <_start\+0x24>
+ +[a-f0-9]+:   65 a1 00 00 00 00       mov    %gs:0x0,%eax
+ +[a-f0-9]+:   90                      nop
+ +[a-f0-9]+:   8d 74 26 00             lea    0x0\(%esi,%eiz,1\),%esi
+ +[a-f0-9]+:   3e 3e 3e 8b 90 fc ff ff ff      ds ds mov %ds:-0x4\(%eax\),%edx
+ +[a-f0-9]+:   85 d2                   test   %edx,%edx
+ +[a-f0-9]+:   74 00                   je     8049024 <_start\+0x24>
+ +[a-f0-9]+:   c3                      ret    
+#pass
diff --git a/ld/testsuite/ld-i386/align-branch-1.s b/ld/testsuite/ld-i386/align-branch-1.s
new file mode 100644 (file)
index 0000000..48edffb
--- /dev/null
@@ -0,0 +1,19 @@
+       .text
+       .globl _start
+_start:
+       testl   %edx, %edx
+       je      .L1
+       testl   %edx, %edx
+       je      .L1
+       testl   %edi, %edi
+       je      .L1
+       leal    bar@tlsldm(%ebx), %eax
+       call    ___tls_get_addr@PLT
+       movl    bar@dtpoff(%eax), %edx
+       testl   %edx, %edx
+       je      .L1
+.L1:
+       ret
+       .section ".tdata", "awT", @progbits
+bar:
+       .long 10
index 3a1fd8b3cfebc57760fdb4e23a825133dec59538..8fe047bba0c0da572552f26b0ffef31ee12b295a 100644 (file)
@@ -495,6 +495,7 @@ run_dump_test "pr23854"
 run_dump_test "pr23930"
 run_dump_test "pr24322a"
 run_dump_test "pr24322b"
+run_dump_test "align-branch-1"
 
 if { !([istarget "i?86-*-linux*"]
        || [istarget "i?86-*-gnu*"]
diff --git a/ld/testsuite/ld-x86-64/align-branch-1.d b/ld/testsuite/ld-x86-64/align-branch-1.d
new file mode 100644 (file)
index 0000000..8567912
--- /dev/null
@@ -0,0 +1,21 @@
+#as: --64 -mbranches-within-32B-boundaries
+#ld: -melf_x86_64
+#objdump: -dw
+#notarget: i?86-*-nacl* x86_64-*-nacl*
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+[a-f0-9]+ <_start>:
+ +[a-f0-9]+:   85 d2                   test   %edx,%edx
+ +[a-f0-9]+:   74 21                   je     401025 <_start\+0x25>
+ +[a-f0-9]+:   48 85 ff                test   %rdi,%rdi
+ +[a-f0-9]+:   74 1c                   je     401025 <_start\+0x25>
+ +[a-f0-9]+:   66 66 66 64 48 8b 04 25 00 00 00 00     data16 data16 data16 mov %fs:0x0,%rax
+ +[a-f0-9]+:   2e 2e 2e 2e 48 8b 98 fc ff ff ff        cs cs cs mov %cs:-0x4\(%rax\),%rbx
+ +[a-f0-9]+:   48 85 db                test   %rbx,%rbx
+ +[a-f0-9]+:   74 00                   je     401025 <_start\+0x25>
+ +[a-f0-9]+:   c3                      retq   
+#pass
diff --git a/ld/testsuite/ld-x86-64/align-branch-1.s b/ld/testsuite/ld-x86-64/align-branch-1.s
new file mode 100644 (file)
index 0000000..5c60a37
--- /dev/null
@@ -0,0 +1,17 @@
+       .text
+       .globl _start
+_start:
+       testl   %edx, %edx
+       je      .L1
+       testq   %rdi, %rdi
+       je      .L1
+       leaq    bar@tlsld(%rip), %rdi
+       call    __tls_get_addr@PLT
+       movq    bar@dtpoff(%rax), %rbx
+       testq   %rbx, %rbx
+       je      .L1
+.L1:
+       ret
+       .section ".tdata", "awT", @progbits
+bar:
+       .long 10
index b13cc7df0e9e6097ae5f186d6a46cc2caae40221..ab4822e2b43d8452afd29b93c05295427bb56b18 100644 (file)
@@ -460,6 +460,7 @@ run_dump_test "pr24721"
 run_dump_test "pr24721-x32"
 run_dump_test "pr24905"
 run_dump_test "pr24905-x32"
+run_dump_test "align-branch-1"
 
 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
     return
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