RISC-V: Mark unsupported gas testcases

There are individual comments that explain why each test isn't
supported, but the vast majority of them are due to RISC-V's aggressive
linker relaxation.  The SLEB test cases should eventually be supported,
but the remaining ones probably won't ever be.

2017-10-18  Palmer Dabbelt  <palmer@dabbelt.com>

        * testsuite/gas/all/align.d: Mark as unsupported on RISC-V.
        testsuite/gas/all/relax.d: Likewise.
        testsuite/gas/all/sleb128-2.d: Likewise.
        testsuite/gas/all/sleb128-4.d: Likewise.
        testsuite/gas/all/sleb128-5.d: Likewise.
        testsuite/gas/all/sleb128-7.d: Likewise.
        testsuite/gas/elf/section11.d: Likewise.
        testsuite/gas/all/gas.exp (diff1.s): Likewise.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index a38ffa36c9585b1f2180021b105eccf3c7b0b8b4..cb90c994cd6ec8d2abdd8bdab00ea38a355ad99d 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,14 @@
+2017-10-18  Palmer Dabbelt  <palmer@dabbelt.com>
+
+       * testsuite/gas/all/align.d: Mark as unsupported on RISC-V.
+       testsuite/gas/all/relax.d: Likewise.
+       testsuite/gas/all/sleb128-2.d: Likewise.
+       testsuite/gas/all/sleb128-4.d: Likewise.
+       testsuite/gas/all/sleb128-5.d: Likewise.
+       testsuite/gas/all/sleb128-7.d: Likewise.
+       testsuite/gas/elf/section11.d: Likewise.
+       testsuite/gas/all/gas.exp (diff1.s): Likewise.
+
 2017-10-18  Nick Clifton  <nickc@redhat.com>
 
        PR gas/22304

diff --git a/gas/testsuite/gas/all/align.d b/gas/testsuite/gas/all/align.d
index dec2168aa6f06438ee07dbc86fdbd9501aafa674..eb08d8ddcda704ff909ffc92c5e63cbda5e7d31c 100644 (file)
--- a/gas/testsuite/gas/all/align.d
+++ b/gas/testsuite/gas/all/align.d
@@ -2,7 +2,9 @@
 #name: align
 # The RX port will always replace zeros in any aligned area with NOPs,
 # even if the user requested that they filled with zeros.
-#not-target: m32c-* rx-*
+# RISC-V handles alignment via relaxation and therefor won't have object files
+# with the expected alignment.
+#not-target: m32c-* riscv*-* rx-*
 
 # Test the alignment pseudo-op.
 

diff --git a/gas/testsuite/gas/all/gas.exp b/gas/testsuite/gas/all/gas.exp
index 93e31dab4acad2019a2fc587f4204ee3938ed445..6a68bccdbd1a78e076dc8d88e9a9acfb75d50db9 100644 (file)
--- a/gas/testsuite/gas/all/gas.exp
+++ b/gas/testsuite/gas/all/gas.exp
@@ -63,6 +63,7 @@ if {    ![istarget alpha*-*-*vms*]
      && ![istarget microblaze-*-*]
      && ![istarget mn10300-*-*]
      && ![istarget msp430*-*-*]
+     && ![istarget riscv*-*-*]
      && ![istarget rl78-*-*]
      && ![istarget rx-*-*] } then {
     gas_test_error "diff1.s" "" "difference of two undefined symbols"

diff --git a/gas/testsuite/gas/all/relax.d b/gas/testsuite/gas/all/relax.d
index 1e581c2695b0393facaf0fd0bd0756382cef1b23..27937fece266a3cc878a64b6fe3df470b06c0875 100644 (file)
--- a/gas/testsuite/gas/all/relax.d
+++ b/gas/testsuite/gas/all/relax.d
@@ -1,5 +1,9 @@
 #objdump : -s -j .data -j "\$DATA\$"
 #name : relax .uleb128
+# RISC-V doesn't support .sleb operands that are the difference of two symbols
+# because symbol values are not known until after linker relaxation has been
+# performed.
+#not-target : riscv*-*-*
 
 .*: .*
 

diff --git a/gas/testsuite/gas/all/sleb128-2.d b/gas/testsuite/gas/all/sleb128-2.d
index cce0b4c0334a83b7c67a30e05ca94af83736c25c..377aa1f21797abd3285da6cb1df425c8b983398b 100644 (file)
--- a/gas/testsuite/gas/all/sleb128-2.d
+++ b/gas/testsuite/gas/all/sleb128-2.d
@@ -1,5 +1,9 @@
 #objdump : -s -j .data -j "\$DATA\$"
 #name : .sleb128 tests (2)
+# RISC-V doesn't support .sleb operands that are the difference of two symbols
+# because symbol values are not known until after linker relaxation has been
+# performed.
+#not-target : riscv*-*-*
 
 .*: .*
 

diff --git a/gas/testsuite/gas/all/sleb128-4.d b/gas/testsuite/gas/all/sleb128-4.d
index 89b95653018640fb01545549765d5c81af49f179..49eebbbb4d92d3c7edc0d4062b12c1bf68948805 100644 (file)
--- a/gas/testsuite/gas/all/sleb128-4.d
+++ b/gas/testsuite/gas/all/sleb128-4.d
@@ -1,6 +1,10 @@
 #objdump : -s -j .data -j "\$DATA\$"
 #name : .sleb128 tests (4)
 #skip: msp430*-*-*
+# RISC-V doesn't support .sleb operands that are the difference of two symbols
+# because symbol values are not known until after linker relaxation has been
+# performed.
+#not-target: riscv*-*-*
 
 .*: .*
 

diff --git a/gas/testsuite/gas/all/sleb128-5.d b/gas/testsuite/gas/all/sleb128-5.d
index 0accfb5a6e8860866acd6bd34e57c725374724a2..b8298f52917e94dfc745fe62f3b846b99587d712 100644 (file)
--- a/gas/testsuite/gas/all/sleb128-5.d
+++ b/gas/testsuite/gas/all/sleb128-5.d
@@ -1,5 +1,9 @@
 #objdump : -s -j .data -j "\$DATA\$"
 #name : .sleb128 tests (5)
+# RISC-V doesn't support .sleb operands that are the difference of two symbols
+# because symbol values are not known until after linker relaxation has been
+# performed.
+#not-target : riscv*-*-*
 
 .*: .*
 

diff --git a/gas/testsuite/gas/all/sleb128-7.d b/gas/testsuite/gas/all/sleb128-7.d
index 6fcbdefe6e939902fae24509730217eeaab7cf7c..84aa5f16c32597061036b9d61b3835957747ca71 100644 (file)
--- a/gas/testsuite/gas/all/sleb128-7.d
+++ b/gas/testsuite/gas/all/sleb128-7.d
@@ -1,5 +1,9 @@
 #objdump : -s -j .data -j "\$DATA\$"
 #name : .sleb128 tests (7)
+# RISC-V doesn't support .sleb operands that are the difference of two symbols
+# because symbol values are not known until after linker relaxation has been
+# performed.
+#not-target: riscv*-*-*
 
 .*: .*
 

diff --git a/gas/testsuite/gas/elf/section11.d b/gas/testsuite/gas/elf/section11.d
index c1043db7a0b542daca93f8d8b2226f16ecb14322..a92ad5acf7ef55fad8724e34f185a993bce276be 100644 (file)
--- a/gas/testsuite/gas/elf/section11.d
+++ b/gas/testsuite/gas/elf/section11.d
@@ -3,6 +3,9 @@
 #name: Disabling section padding
 # The RX port uses non standard section names.
 #skip: rx-*-*
+# RISC-V handles alignment via linker relaxation, so object files don't have
+# the expected alignment.
+#not-target: riscv*-*-*
 
 #...
   \[ .\] .text[        ]+PROGBITS[     ]+0+00 0+[0-9a-f]+ 0+0(1|4|5) 00  AX  0   0 16