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(parent: 07b8191) | patch
cmd/compile: fix an arm64's comparison bug
authorBen Shi <powerman1st@163.com>
Wed, 18 Jul 2018 11:16:47 +0000 (11:16 +0000)
committerCherry Zhang <cherryyz@google.com>
Wed, 18 Jul 2018 14:15:05 +0000 (14:15 +0000)
commitf6ce1e2aa590a3de9da67dd45f5daa66ee9ff1cf
treed6fb89b811088e86c802a8fa0fdf70d0f187c8ddtree
parent07b81912d4f7e7faaa0e2367ae834b92f4867819commit | diff
cmd/compile: fix an arm64's comparison bug

The arm64 backend generates "TST" for "if uint32(a)&uint32(b) == 0",
which should be "TSTW".

fixes #26438

Change-Id: I7d64c30e3a840b43486bcd10eea2e3e75aaa4857
Reviewed-on: https://go-review.googlesource.com/124637
Run-TryBot: Ben Shi <powerman1st@163.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
src/cmd/compile/internal/ssa/gen/ARM64.rules diff | blob | history
src/cmd/compile/internal/ssa/rewriteARM64.go diff | blob | history
test/fixedbugs/issue26438.go [new file with mode: 0644] blob
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