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S390[simd]: make sure registers are not aliased under swizzle

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Change-Id: I0938fa9cf52334cbf84a0b38b8e80b88431dff0d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3494439
Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#79307}
This commit is contained in:
Milad Fa 2022-02-28 09:16:08 -05:00 committed by V8 LUCI CQ
parent 615a6da355
commit 301372c393
1 changed files with 1 additions and 1 deletions
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src/codegen/s390/macro-assembler-s390.cc
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@ -5984,7 +5984,7 @@ void TurboAssembler::I8x16Swizzle(Simd128Register dst, Simd128Register src1,
Simd128Register src2, Register scratch1,
Register scratch2, Simd128Register scratch3,
Simd128Register scratch4) {
DCHECK_NE(src1, scratch2);
DCHECK(!AreAliased(src1, src2, scratch3, scratch4));
// Saturate the indices to 5 bits. Input indices more than 31 should
// return 0.
vrepi(scratch3, Operand(31), Condition(0));