diff options
Diffstat (limited to 'lib/Target/AArch64/AArch64RegisterBankInfo.cpp')
| -rw-r--r-- | lib/Target/AArch64/AArch64RegisterBankInfo.cpp | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/lib/Target/AArch64/AArch64RegisterBankInfo.cpp b/lib/Target/AArch64/AArch64RegisterBankInfo.cpp index 391e8ed633d..83bf493c9f0 100644 --- a/lib/Target/AArch64/AArch64RegisterBankInfo.cpp +++ b/lib/Target/AArch64/AArch64RegisterBankInfo.cpp @@ -87,9 +87,9 @@ AArch64RegisterBankInfo::AArch64RegisterBankInfo(const TargetRegisterInfo &TRI) assert(checkPartialMappingIdx(PMI_FirstGPR, PMI_LastGPR, {PMI_GPR32, PMI_GPR64}) && "PartialMappingIdx's are incorrectly ordered"); - assert(checkPartialMappingIdx( - PMI_FirstFPR, PMI_LastFPR, - {PMI_FPR32, PMI_FPR64, PMI_FPR128, PMI_FPR256, PMI_FPR512}) && + assert(checkPartialMappingIdx(PMI_FirstFPR, PMI_LastFPR, + {PMI_FPR16, PMI_FPR32, PMI_FPR64, PMI_FPR128, + PMI_FPR256, PMI_FPR512}) && "PartialMappingIdx's are incorrectly ordered"); // Now, the content. // Check partial mapping. @@ -102,6 +102,7 @@ AArch64RegisterBankInfo::AArch64RegisterBankInfo(const TargetRegisterInfo &TRI) CHECK_PARTIALMAP(PMI_GPR32, 0, 32, RBGPR); CHECK_PARTIALMAP(PMI_GPR64, 0, 64, RBGPR); + CHECK_PARTIALMAP(PMI_FPR16, 0, 16, RBFPR); CHECK_PARTIALMAP(PMI_FPR32, 0, 32, RBFPR); CHECK_PARTIALMAP(PMI_FPR64, 0, 64, RBFPR); CHECK_PARTIALMAP(PMI_FPR128, 0, 128, RBFPR); @@ -121,6 +122,7 @@ AArch64RegisterBankInfo::AArch64RegisterBankInfo(const TargetRegisterInfo &TRI) CHECK_VALUEMAP(GPR, 32); CHECK_VALUEMAP(GPR, 64); + CHECK_VALUEMAP(FPR, 16); CHECK_VALUEMAP(FPR, 32); CHECK_VALUEMAP(FPR, 64); CHECK_VALUEMAP(FPR, 128); @@ -173,6 +175,30 @@ AArch64RegisterBankInfo::AArch64RegisterBankInfo(const TargetRegisterInfo &TRI) CHECK_VALUEMAP_CROSSREGCPY(FPR, FPR, 64); CHECK_VALUEMAP_CROSSREGCPY(FPR, GPR, 64); +#define CHECK_VALUEMAP_FPEXT(DstSize, SrcSize) \ + do { \ + unsigned PartialMapDstIdx = PMI_FPR##DstSize - PMI_Min; \ + unsigned PartialMapSrcIdx = PMI_FPR##SrcSize - PMI_Min; \ + (void)PartialMapDstIdx; \ + (void)PartialMapSrcIdx; \ + const ValueMapping *Map = getFPExtMapping(DstSize, SrcSize); \ + (void)Map; \ + assert(Map[0].BreakDown == \ + &AArch64GenRegisterBankInfo::PartMappings[PartialMapDstIdx] && \ + Map[0].NumBreakDowns == 1 && "FPR" #DstSize \ + " Dst is incorrectly initialized"); \ + assert(Map[1].BreakDown == \ + &AArch64GenRegisterBankInfo::PartMappings[PartialMapSrcIdx] && \ + Map[1].NumBreakDowns == 1 && "FPR" #SrcSize \ + " Src is incorrectly initialized"); \ + \ + } while (false) + + CHECK_VALUEMAP_FPEXT(32, 16); + CHECK_VALUEMAP_FPEXT(64, 16); + CHECK_VALUEMAP_FPEXT(64, 32); + CHECK_VALUEMAP_FPEXT(128, 64); + assert(verify(TRI) && "Invalid register bank information"); } @@ -453,6 +479,14 @@ AArch64RegisterBankInfo::getInstrMapping(const MachineInstr &MI) const { case TargetOpcode::G_FMUL: case TargetOpcode::G_FDIV: return getSameKindOfOperandsMapping(MI); + case TargetOpcode::G_FPEXT: { + LLT DstTy = MRI.getType(MI.getOperand(0).getReg()); + LLT SrcTy = MRI.getType(MI.getOperand(1).getReg()); + return getInstructionMapping( + DefaultMappingID, /*Cost*/ 1, + getFPExtMapping(DstTy.getSizeInBits(), SrcTy.getSizeInBits()), + /*NumOperands*/ 2); + } case TargetOpcode::COPY: { unsigned DstReg = MI.getOperand(0).getReg(); unsigned SrcReg = MI.getOperand(1).getReg(); |