diff options
Diffstat (limited to 'src/cmd/internal/obj/util.go')
| -rw-r--r-- | src/cmd/internal/obj/util.go | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/src/cmd/internal/obj/util.go b/src/cmd/internal/obj/util.go index 18813c35a8..c8f8760af1 100644 --- a/src/cmd/internal/obj/util.go +++ b/src/cmd/internal/obj/util.go @@ -286,14 +286,23 @@ func Dconv(p *Prog, a *Addr) string { case TYPE_SHIFT: v := int(a.Offset) - op := "<<>>->@>"[((v>>5)&3)<<1:] - if v&(1<<4) != 0 { - str = fmt.Sprintf("R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15) - } else { - str = fmt.Sprintf("R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31) - } - if a.Reg != 0 { - str += fmt.Sprintf("(%v)", Rconv(int(a.Reg))) + ops := "<<>>->@>" + switch goarch := Getgoarch(); goarch { + case "arm": + op := ops[((v>>5)&3)<<1:] + if v&(1<<4) != 0 { + str = fmt.Sprintf("R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15) + } else { + str = fmt.Sprintf("R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31) + } + if a.Reg != 0 { + str += fmt.Sprintf("(%v)", Rconv(int(a.Reg))) + } + case "arm64": + op := ops[((v>>22)&3)<<1:] + str = fmt.Sprintf("R%d%c%c%d", (v>>16)&31, op[0], op[1], (v>>10)&63) + default: + panic("TYPE_SHIFT is not supported on " + goarch) } case TYPE_REGREG: |