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| author | Diana Picus <diana.picus@linaro.org> | 2018-01-30 07:54:58 +0000 |
|---|---|---|
| committer | Diana Picus <diana.picus@linaro.org> | 2018-01-30 07:54:58 +0000 |
| commit | a2da03022ca3805226fa661b03830875c8aa0ce5 (patch) | |
| tree | 7c08610a98d02dd9f66edf39728fc77f845ca6cb /llvm/lib/Target/ARM | |
| parent | 4ed0ee7b5f6e209cd39506980869620eabff7aad (diff) | |
| download | bcm5719-llvm-a2da03022ca3805226fa661b03830875c8aa0ce5.tar.gz bcm5719-llvm-a2da03022ca3805226fa661b03830875c8aa0ce5.zip | |
[ARM GlobalISel] Map G_FPTOSI and G_FPTOUI
Straightforward mapping (integer operand goes to GPR, floating point
operand goes to FPR).
llvm-svn: 323727
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp b/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp index 0e6073a5c80..2f9c53f82d4 100644 --- a/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp +++ b/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp @@ -303,6 +303,20 @@ ARMRegisterBankInfo::getInstrMapping(const MachineInstr &MI) const { &ARM::ValueMappings[ARM::DPR3OpsIdx]}); break; } + case G_FPTOSI: + case G_FPTOUI: { + LLT ToTy = MRI.getType(MI.getOperand(0).getReg()); + LLT FromTy = MRI.getType(MI.getOperand(1).getReg()); + if ((FromTy.getSizeInBits() == 32 || FromTy.getSizeInBits() == 64) && + ToTy.getSizeInBits() == 32) + OperandsMapping = + FromTy.getSizeInBits() == 64 + ? getOperandsMapping({&ARM::ValueMappings[ARM::GPR3OpsIdx], + &ARM::ValueMappings[ARM::DPR3OpsIdx]}) + : getOperandsMapping({&ARM::ValueMappings[ARM::GPR3OpsIdx], + &ARM::ValueMappings[ARM::SPR3OpsIdx]}); + break; + } case G_CONSTANT: case G_FRAME_INDEX: case G_GLOBAL_VALUE: |
