i386: Also check R12-R15 registers when optimizing testq to testb

[deliverable/binutils-gdb.git] / gas / ChangeLog

diff --git a/gas/ChangeLog b/gas/ChangeLog
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@@ -1,3 +1,14 @@
+2019-12-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR gas/25274
+       * config/tc-i386.c (optimize_encoding): Also check R12-R15
+       registers for "test $imm7, %r64/%r32/%r16 -> test $imm7, %r8"
+       optimization.
+       * testsuite/gas/i386/x86-64-optimize-3.s: Add tests for test
+       with r12.
+       * testsuite/gas/i386/x86-64-optimize-3.d: Updated.
+       * testsuite/gas/i386/x86-64-optimize-3b.d: Likewise.
+
 2019-12-12  H.J. Lu  <hongjiu.lu@intel.com>
 
        * testsuite/gas/i386/align-branch-1.s: New file.