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[x64] Fix REX prefix in shufps

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BUG=

Review-Url: https://codereview.chromium.org/2652793004
Cr-Commit-Position: refs/heads/master@{#42673}
This commit is contained in:
jing.bao 2017-01-25 17:38:17 -08:00 committed by Commit bot
parent a81fbe802a
commit d28c04486b
2 changed files with 2 additions and 1 deletions
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2
src/x64/assembler-x64.cc
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@ -3034,7 +3034,7 @@ void Assembler::movaps(XMMRegister dst, XMMRegister src) {
void Assembler::shufps(XMMRegister dst, XMMRegister src, byte imm8) {
DCHECK(is_uint8(imm8));
EnsureSpace ensure_space(this);
emit_optional_rex_32(src, dst);
emit_optional_rex_32(dst, src);
emit(0x0F);
emit(0xC6);
emit_sse_operand(dst, src);

1
test/cctest/test-disasm-x64.cc
View File

@ -386,6 +386,7 @@ TEST(DisasmX64) {
__ cvtsd2ss(xmm0, xmm1);
__ cvtsd2ss(xmm0, Operand(rbx, rcx, times_4, 10000));
__ movaps(xmm0, xmm1);
__ shufps(xmm0, xmm9, 0x0);
// logic operation
__ andps(xmm0, xmm1);