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[dev.ssa] cmd/compile/internal/ssa/gen: fold Mul8 properly.
authorAlexandru Moșoi <mosoi@google.com>
Fri, 14 Aug 2015 11:23:11 +0000 (13:23 +0200)
committerKeith Randall <khr@golang.org>
Fri, 14 Aug 2015 20:47:21 +0000 (20:47 +0000)
commit7a6de6d5f2e1e8e8908022789cf129581c90a4c3
tree1a28bd2f3df14891aa9b90cac4e4e2c671a336detree
parentc55870a5412fb374c9c392a06c3949b291c48e15commit | diff
[dev.ssa] cmd/compile/internal/ssa/gen: fold Mul8 properly.

Mul8 is lowered to MULW, but the rules for constant
folding do not handle the fact that the operands
are int8.

Change-Id: I2c336686d86249393a8079a471c6ff74e6228f3d
Reviewed-on: https://go-review.googlesource.com/13642
Reviewed-by: Keith Randall <khr@golang.org>
src/cmd/compile/internal/gc/ssa.go diff | blob | history
src/cmd/compile/internal/ssa/gen/AMD64.rules diff | blob | history
src/cmd/compile/internal/ssa/gen/AMD64Ops.go diff | blob | history
src/cmd/compile/internal/ssa/opGen.go diff | blob | history
src/cmd/compile/internal/ssa/rewriteAMD64.go diff | blob | history
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