diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/main.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/main.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/main.go b/src/cmd/compile/internal/ssa/gen/main.go index 19e83a6216..19c1bc7163 100644 --- a/src/cmd/compile/internal/ssa/gen/main.go +++ b/src/cmd/compile/internal/ssa/gen/main.go @@ -29,7 +29,6 @@ type arch struct { regnames []string gpregmask regMask fpregmask regMask - flagmask regMask framepointerreg int8 generic bool } @@ -44,6 +43,7 @@ type opData struct { argLength int32 // number of arguments, if -1, then this operation has a variable number of arguments commutative bool // this operation is commutative on its first 2 arguments (e.g. addition) resultInArg0 bool // last output of v and v.Args[0] must be allocated to the same register + clobberFlags bool // this op clobbers flags register } type blockData struct { @@ -167,6 +167,9 @@ func genOp() { log.Fatalf("input[1] and last output register must be equal for %s", v.name) } } + if v.clobberFlags { + fmt.Fprintln(w, "clobberFlags: true,") + } if a.name == "generic" { fmt.Fprintln(w, "generic:true,") fmt.Fprintln(w, "},") // close op @@ -204,9 +207,7 @@ func genOp() { // reg outputs s = s[:0] for i, r := range v.reg.outputs { - if r != 0 { - s = append(s, intPair{countRegs(r), i}) - } + s = append(s, intPair{countRegs(r), i}) } if len(s) > 0 { sort.Sort(byKey(s)) @@ -240,7 +241,6 @@ func genOp() { fmt.Fprintln(w, "}") fmt.Fprintf(w, "var gpRegMask%s = regMask(%d)\n", a.name, a.gpregmask) fmt.Fprintf(w, "var fpRegMask%s = regMask(%d)\n", a.name, a.fpregmask) - fmt.Fprintf(w, "var flagRegMask%s = regMask(%d)\n", a.name, a.flagmask) fmt.Fprintf(w, "var framepointerReg%s = int8(%d)\n", a.name, a.framepointerreg) } |