diff options
Diffstat (limited to 'llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 7e66af6eaf2..512b73fa885 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -265,6 +265,9 @@ class ARMAsmParser : public MCTargetAsmParser { bool hasARM() const { return !(STI.getFeatureBits() & ARM::FeatureNoARM); } + bool hasThumb2DSP() const { + return STI.getFeatureBits() & ARM::FeatureDSPThumb2; + } void SwitchMode() { uint64_t FB = ComputeAvailableFeatures(STI.ToggleFeature(ARM::ModeThumb)); @@ -3928,9 +3931,6 @@ ARMAsmParser::parseMSRMaskOperand(OperandVector &Operands) { // should really only be allowed when writing a special register. Note // they get dropped in the MRS instruction reading a special register as // the SYSm field is only 8 bits. - // - // FIXME: the _g and _nzcvqg versions are only allowed if the processor - // includes the DSP extension but that is not checked. .Case("apsr", 0x800) .Case("apsr_nzcvq", 0x800) .Case("apsr_g", 0x400) @@ -3962,6 +3962,11 @@ ARMAsmParser::parseMSRMaskOperand(OperandVector &Operands) { if (FlagsVal == ~0U) return MatchOperand_NoMatch; + if (!hasThumb2DSP() && (FlagsVal & 0x400)) + // The _g and _nzcvqg versions are only valid if the DSP extension is + // available. + return MatchOperand_NoMatch; + if (!hasV7Ops() && FlagsVal >= 0x811 && FlagsVal <= 0x813) // basepri, basepri_max and faultmask only valid for V7m. return MatchOperand_NoMatch; |
