diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM64/ARM64InstrFormats.td | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM64/ARM64InstrFormats.td b/llvm/lib/Target/ARM64/ARM64InstrFormats.td index f1981bf7499..aeb71a20fb5 100644 --- a/llvm/lib/Target/ARM64/ARM64InstrFormats.td +++ b/llvm/lib/Target/ARM64/ARM64InstrFormats.td @@ -1603,6 +1603,8 @@ multiclass ExtractImm<string asm> { (ARM64Extr GPR32:$Rn, GPR32:$Rm, imm0_31:$imm))]> { let Inst{31} = 0; let Inst{22} = 0; + // imm<5> must be zero. + let imm{5} = 0; } def Xrri : BaseExtractImm<GPR64, imm0_63, asm, [(set GPR64:$Rd, @@ -4849,7 +4851,9 @@ class BaseSIMDBitwiseExtract<bit size, RegisterOperand regtype, ValueType vty, multiclass SIMDBitwiseExtract<string asm> { - def v8i8 : BaseSIMDBitwiseExtract<0, V64, v8i8, asm, ".8b">; + def v8i8 : BaseSIMDBitwiseExtract<0, V64, v8i8, asm, ".8b"> { + let imm{3} = 0; + } def v16i8 : BaseSIMDBitwiseExtract<1, V128, v16i8, asm, ".16b">; } |
