George Wort 4ddc53d807 Reland "[arm64][wasm-simd] Use Cm(0) for integer comparison with 0" ... This is a reland of 16df1dfa13 No changes have been made to this reland as previous commit was reverted due to a new test revealing an existing bug. This bug has now been fixed. Original change's description: > [arm64][wasm-simd] Use Cm(0) for integer comparison with 0 > > Use an immediate zero operand for integer comparison when possible. This > gives ~1% runtime performance improvement in some benchmarks on Neoverse > N1. > > Change-Id: I727a8104f8e6ca3d122d6b5b8b3d38d7bdd76c47 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3158327 > Reviewed-by: Zhi An Ng <zhin@chromium.org> > Commit-Queue: Martyn Capewell <martyn.capewell@arm.com> > Cr-Commit-Position: refs/heads/main@{#76847} Change-Id: I77d6923d79407a83becbd39970c6a3f62d3a304d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3178482 Reviewed-by: Zhi An Ng <zhin@chromium.org> Commit-Queue: Rodolph Perfetta <rodolph.perfetta@arm.com> Cr-Commit-Position: refs/heads/main@{#77260}		2021-10-06 12:59:27 +00:00
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instruction-selector-arm64-unittest.cc	Reland "[arm64][wasm-simd] Use Cm(0) for integer comparison with 0"	2021-10-06 12:59:27 +00:00