diff options
Diffstat (limited to 'src/cmd/asm/internal/arch')
| -rw-r--r-- | src/cmd/asm/internal/arch/arm64.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/cmd/asm/internal/arch/arm64.go b/src/cmd/asm/internal/arch/arm64.go index 524a503472..10458b01a0 100644 --- a/src/cmd/asm/internal/arch/arm64.go +++ b/src/cmd/asm/internal/arch/arm64.go @@ -178,18 +178,39 @@ func ARM64RegisterExtension(a *obj.Addr, ext string, reg, num int16, isAmount, i a.Reg = arm64.REG_SXTX + (reg & 31) + int16(num<<5) a.Offset = int64(((rm & 31) << 16) | (7 << 13) | (uint32(num) << 10)) case "B8": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_8B & 15) << 5) case "B16": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_16B & 15) << 5) case "H4": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_4H & 15) << 5) case "H8": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_8H & 15) << 5) case "S2": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_2S & 15) << 5) case "S4": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_4S & 15) << 5) case "D2": + if isIndex { + return errors.New("invalid register extension") + } a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_2D & 15) << 5) case "B": if !isIndex { |