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[dev.ssa] cmd/compile: teach live variable analysis about LEAW

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SSA uses this opcode, the old compiler doesn't.

Change-Id: Ic3dde6216496b4b89d570584d34cb0971fdf379d
Reviewed-on: https://go-review.googlesource.com/14330
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Keith Randall 2015-09-04 13:16:07 -07:00
parent 24dcede1c0
commit 617e892b87
2 changed files with 2 additions and 0 deletions
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1
src/cmd/compile/internal/amd64/prog.go
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@ -116,6 +116,7 @@ var progtable = [x86.ALAST]obj.ProgInfo{
x86.AJPL: {Flags: gc.Cjmp | gc.UseCarry},
x86.AJPS: {Flags: gc.Cjmp | gc.UseCarry},
obj.AJMP: {Flags: gc.Jump | gc.Break | gc.KillCarry},
x86.ALEAW: {Flags: gc.LeftAddr | gc.RightWrite},
x86.ALEAL: {Flags: gc.LeftAddr | gc.RightWrite},
x86.ALEAQ: {Flags: gc.LeftAddr | gc.RightWrite},
x86.AMOVBLSX: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv},

1
src/cmd/compile/internal/x86/prog.go
View File

@ -152,6 +152,7 @@ var progtable = [x86.ALAST]obj.ProgInfo{
x86.AJPL: {Flags: gc.Cjmp | gc.UseCarry},
x86.AJPS: {Flags: gc.Cjmp | gc.UseCarry},
obj.AJMP: {Flags: gc.Jump | gc.Break | gc.KillCarry},
x86.ALEAW: {Flags: gc.LeftAddr | gc.RightWrite},
x86.ALEAL: {Flags: gc.LeftAddr | gc.RightWrite},
x86.AMOVBLSX: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv},
x86.AMOVBLZX: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv},