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-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.cpp167
-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.h2
2 files changed, 169 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index cc0b58f9f33..31f08b3b4af 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -80,6 +80,171 @@ namespace {
};
}
+void ARMTargetLowering::InitLibcallCallingConvs() {
+ // The builtins on ARM always use AAPCS, irrespective of wheter C is AAPCS or
+ // AAPCS_VFP.
+ for (const auto LC : {
+ RTLIB::SHL_I16,
+ RTLIB::SHL_I32,
+ RTLIB::SHL_I64,
+ RTLIB::SHL_I128,
+ RTLIB::SRL_I16,
+ RTLIB::SRL_I32,
+ RTLIB::SRL_I64,
+ RTLIB::SRL_I128,
+ RTLIB::SRA_I16,
+ RTLIB::SRA_I32,
+ RTLIB::SRA_I64,
+ RTLIB::SRA_I128,
+ RTLIB::MUL_I8,
+ RTLIB::MUL_I16,
+ RTLIB::MUL_I32,
+ RTLIB::MUL_I64,
+ RTLIB::MUL_I128,
+ RTLIB::MULO_I32,
+ RTLIB::MULO_I64,
+ RTLIB::MULO_I128,
+ RTLIB::SDIV_I8,
+ RTLIB::SDIV_I16,
+ RTLIB::SDIV_I32,
+ RTLIB::SDIV_I64,
+ RTLIB::SDIV_I128,
+ RTLIB::UDIV_I8,
+ RTLIB::UDIV_I16,
+ RTLIB::UDIV_I32,
+ RTLIB::UDIV_I64,
+ RTLIB::UDIV_I128,
+ RTLIB::SREM_I8,
+ RTLIB::SREM_I16,
+ RTLIB::SREM_I32,
+ RTLIB::SREM_I64,
+ RTLIB::SREM_I128,
+ RTLIB::UREM_I8,
+ RTLIB::UREM_I16,
+ RTLIB::UREM_I32,
+ RTLIB::UREM_I64,
+ RTLIB::UREM_I128,
+ RTLIB::SDIVREM_I8,
+ RTLIB::SDIVREM_I16,
+ RTLIB::SDIVREM_I32,
+ RTLIB::SDIVREM_I64,
+ RTLIB::SDIVREM_I128,
+ RTLIB::UDIVREM_I8,
+ RTLIB::UDIVREM_I16,
+ RTLIB::UDIVREM_I32,
+ RTLIB::UDIVREM_I64,
+ RTLIB::UDIVREM_I128,
+ RTLIB::NEG_I32,
+ RTLIB::NEG_I64,
+ RTLIB::ADD_F32,
+ RTLIB::ADD_F64,
+ RTLIB::ADD_F80,
+ RTLIB::ADD_F128,
+ RTLIB::SUB_F32,
+ RTLIB::SUB_F64,
+ RTLIB::SUB_F80,
+ RTLIB::SUB_F128,
+ RTLIB::MUL_F32,
+ RTLIB::MUL_F64,
+ RTLIB::MUL_F80,
+ RTLIB::MUL_F128,
+ RTLIB::DIV_F32,
+ RTLIB::DIV_F64,
+ RTLIB::DIV_F80,
+ RTLIB::DIV_F128,
+ RTLIB::POWI_F32,
+ RTLIB::POWI_F64,
+ RTLIB::POWI_F80,
+ RTLIB::POWI_F128,
+ RTLIB::FPEXT_F64_F128,
+ RTLIB::FPEXT_F32_F128,
+ RTLIB::FPEXT_F32_F64,
+ RTLIB::FPEXT_F16_F32,
+ RTLIB::FPROUND_F32_F16,
+ RTLIB::FPROUND_F64_F16,
+ RTLIB::FPROUND_F80_F16,
+ RTLIB::FPROUND_F128_F16,
+ RTLIB::FPROUND_F64_F32,
+ RTLIB::FPROUND_F80_F32,
+ RTLIB::FPROUND_F128_F32,
+ RTLIB::FPROUND_F80_F64,
+ RTLIB::FPROUND_F128_F64,
+ RTLIB::FPTOSINT_F32_I32,
+ RTLIB::FPTOSINT_F32_I64,
+ RTLIB::FPTOSINT_F32_I128,
+ RTLIB::FPTOSINT_F64_I32,
+ RTLIB::FPTOSINT_F64_I64,
+ RTLIB::FPTOSINT_F64_I128,
+ RTLIB::FPTOSINT_F80_I32,
+ RTLIB::FPTOSINT_F80_I64,
+ RTLIB::FPTOSINT_F80_I128,
+ RTLIB::FPTOSINT_F128_I32,
+ RTLIB::FPTOSINT_F128_I64,
+ RTLIB::FPTOSINT_F128_I128,
+ RTLIB::FPTOUINT_F32_I32,
+ RTLIB::FPTOUINT_F32_I64,
+ RTLIB::FPTOUINT_F32_I128,
+ RTLIB::FPTOUINT_F64_I32,
+ RTLIB::FPTOUINT_F64_I64,
+ RTLIB::FPTOUINT_F64_I128,
+ RTLIB::FPTOUINT_F80_I32,
+ RTLIB::FPTOUINT_F80_I64,
+ RTLIB::FPTOUINT_F80_I128,
+ RTLIB::FPTOUINT_F128_I32,
+ RTLIB::FPTOUINT_F128_I64,
+ RTLIB::FPTOUINT_F128_I128,
+ RTLIB::SINTTOFP_I32_F32,
+ RTLIB::SINTTOFP_I32_F64,
+ RTLIB::SINTTOFP_I32_F80,
+ RTLIB::SINTTOFP_I32_F128,
+ RTLIB::SINTTOFP_I64_F32,
+ RTLIB::SINTTOFP_I64_F64,
+ RTLIB::SINTTOFP_I64_F80,
+ RTLIB::SINTTOFP_I64_F128,
+ RTLIB::SINTTOFP_I128_F32,
+ RTLIB::SINTTOFP_I128_F64,
+ RTLIB::SINTTOFP_I128_F80,
+ RTLIB::SINTTOFP_I128_F128,
+ RTLIB::UINTTOFP_I32_F32,
+ RTLIB::UINTTOFP_I32_F64,
+ RTLIB::UINTTOFP_I32_F80,
+ RTLIB::UINTTOFP_I32_F128,
+ RTLIB::UINTTOFP_I64_F32,
+ RTLIB::UINTTOFP_I64_F64,
+ RTLIB::UINTTOFP_I64_F80,
+ RTLIB::UINTTOFP_I64_F128,
+ RTLIB::UINTTOFP_I128_F32,
+ RTLIB::UINTTOFP_I128_F64,
+ RTLIB::UINTTOFP_I128_F80,
+ RTLIB::UINTTOFP_I128_F128,
+ RTLIB::OEQ_F32,
+ RTLIB::OEQ_F64,
+ RTLIB::OEQ_F128,
+ RTLIB::UNE_F32,
+ RTLIB::UNE_F64,
+ RTLIB::UNE_F128,
+ RTLIB::OGE_F32,
+ RTLIB::OGE_F64,
+ RTLIB::OGE_F128,
+ RTLIB::OLT_F32,
+ RTLIB::OLT_F64,
+ RTLIB::OLT_F128,
+ RTLIB::OLE_F32,
+ RTLIB::OLE_F64,
+ RTLIB::OLE_F128,
+ RTLIB::OGT_F32,
+ RTLIB::OGT_F64,
+ RTLIB::OGT_F128,
+ RTLIB::UO_F32,
+ RTLIB::UO_F64,
+ RTLIB::UO_F128,
+ RTLIB::O_F32,
+ RTLIB::O_F64,
+ RTLIB::O_F128,
+ })
+ setLibcallCallingConv(LC, CallingConv::ARM_AAPCS);
+}
+
// The APCS parameter registers.
static const MCPhysReg GPRArgRegs[] = {
ARM::R0, ARM::R1, ARM::R2, ARM::R3
@@ -167,6 +332,8 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
setBooleanVectorContents(ZeroOrNegativeOneBooleanContent);
+ InitLibcallCallingConvs();
+
if (Subtarget->isTargetMachO()) {
// Uses VFP for Thumb libfuncs if available.
if (Subtarget->isThumb() && Subtarget->hasVFP2() &&
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
index 4906686616b..191235d491d 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -506,6 +506,8 @@ namespace llvm {
bool HasStandaloneRem = true;
+ void InitLibcallCallingConvs();
+
void addTypeForNEON(MVT VT, MVT PromotedLdStVT, MVT PromotedBitwiseVT);
void addDRTypeForNEON(MVT VT);
void addQRTypeForNEON(MVT VT);
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