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path: root/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
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Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/ARM64Ops.go')
-rw-r--r--src/cmd/compile/internal/ssa/gen/ARM64Ops.go4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/ARM64Ops.go b/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
index 4d1d14e18b4..fc3dcce6296 100644
--- a/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
+++ b/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
@@ -281,9 +281,9 @@ func init() {
{name: "CMPconst", argLength: 1, reg: gp1flags, asm: "CMP", aux: "Int64", typ: "Flags"}, // arg0 compare to auxInt
{name: "CMPW", argLength: 2, reg: gp2flags, asm: "CMPW", typ: "Flags"}, // arg0 compare to arg1, 32 bit
{name: "CMPWconst", argLength: 1, reg: gp1flags, asm: "CMPW", aux: "Int32", typ: "Flags"}, // arg0 compare to auxInt, 32 bit
- {name: "CMN", argLength: 2, reg: gp2flags, asm: "CMN", typ: "Flags", commutative: true}, // arg0 compare to -arg1
+ {name: "CMN", argLength: 2, reg: gp2flags, asm: "CMN", typ: "Flags", commutative: true}, // arg0 compare to -arg1, provided arg1 is not 1<<63
{name: "CMNconst", argLength: 1, reg: gp1flags, asm: "CMN", aux: "Int64", typ: "Flags"}, // arg0 compare to -auxInt
- {name: "CMNW", argLength: 2, reg: gp2flags, asm: "CMNW", typ: "Flags", commutative: true}, // arg0 compare to -arg1, 32 bit
+ {name: "CMNW", argLength: 2, reg: gp2flags, asm: "CMNW", typ: "Flags", commutative: true}, // arg0 compare to -arg1, 32 bit, provided arg1 is not 1<<31
{name: "CMNWconst", argLength: 1, reg: gp1flags, asm: "CMNW", aux: "Int32", typ: "Flags"}, // arg0 compare to -auxInt, 32 bit
{name: "TST", argLength: 2, reg: gp2flags, asm: "TST", typ: "Flags", commutative: true}, // arg0 & arg1 compare to 0
{name: "TSTconst", argLength: 1, reg: gp1flags, asm: "TST", aux: "Int64", typ: "Flags"}, // arg0 & auxInt compare to 0