diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 85 |
1 files changed, 59 insertions, 26 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 9fefb977775..32b7c87e61b 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -608,15 +608,27 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM, // In EABI, these functions have an __aeabi_ prefix, but in GNUEABI they have // a __gnu_ prefix (which is the default). if (Subtarget->isTargetAEABI()) { - setLibcallName(RTLIB::FPROUND_F32_F16, "__aeabi_f2h"); - setLibcallName(RTLIB::FPROUND_F64_F16, "__aeabi_d2h"); - setLibcallName(RTLIB::FPEXT_F16_F32, "__aeabi_h2f"); + static const struct { + const RTLIB::Libcall Op; + const char * const Name; + const CallingConv::ID CC; + } LibraryCalls[] = { + { RTLIB::FPROUND_F32_F16, "__aeabi_f2h", CallingConv::ARM_AAPCS }, + { RTLIB::FPROUND_F64_F16, "__aeabi_d2h", CallingConv::ARM_AAPCS }, + { RTLIB::FPEXT_F16_F32, "__aeabi_h2f", CallingConv::ARM_AAPCS }, + }; + + for (const auto &LC : LibraryCalls) { + setLibcallName(LC.Op, LC.Name); + setLibcallCallingConv(LC.Op, LC.CC); + } } if (Subtarget->isThumb1Only()) addRegisterClass(MVT::i32, &ARM::tGPRRegClass); else addRegisterClass(MVT::i32, &ARM::GPRRegClass); + if (!Subtarget->useSoftFloat() && Subtarget->hasVFP2() && !Subtarget->isThumb1Only()) { addRegisterClass(MVT::f32, &ARM::SPRRegClass); @@ -976,6 +988,7 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM, setOperationAction(ISD::SREM, MVT::i32, Expand); setOperationAction(ISD::UREM, MVT::i32, Expand); + // Register based DivRem for AEABI (RTABI 4.2) if (Subtarget->isTargetAEABI() || Subtarget->isTargetAndroid() || Subtarget->isTargetGNUAEABI() || Subtarget->isTargetMuslAEABI() || @@ -984,29 +997,49 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM, setOperationAction(ISD::UREM, MVT::i64, Custom); HasStandaloneRem = false; - for (const auto &LC : - {RTLIB::SDIVREM_I8, RTLIB::SDIVREM_I16, RTLIB::SDIVREM_I32}) - setLibcallName(LC, Subtarget->isTargetWindows() ? "__rt_sdiv" - : "__aeabi_idivmod"); - setLibcallName(RTLIB::SDIVREM_I64, Subtarget->isTargetWindows() - ? "__rt_sdiv64" - : "__aeabi_ldivmod"); - for (const auto &LC : - {RTLIB::UDIVREM_I8, RTLIB::UDIVREM_I16, RTLIB::UDIVREM_I32}) - setLibcallName(LC, Subtarget->isTargetWindows() ? "__rt_udiv" - : "__aeabi_uidivmod"); - setLibcallName(RTLIB::UDIVREM_I64, Subtarget->isTargetWindows() - ? "__rt_udiv64" - : "__aeabi_uldivmod"); - - setLibcallCallingConv(RTLIB::SDIVREM_I8, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::SDIVREM_I16, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::SDIVREM_I32, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::SDIVREM_I64, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::UDIVREM_I8, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::UDIVREM_I16, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::UDIVREM_I32, CallingConv::ARM_AAPCS); - setLibcallCallingConv(RTLIB::UDIVREM_I64, CallingConv::ARM_AAPCS); + if (Subtarget->isTargetWindows()) { + const struct { + const RTLIB::Libcall Op; + const char * const Name; + const CallingConv::ID CC; + } LibraryCalls[] = { + { RTLIB::SDIVREM_I8, "__rt_sdiv", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I16, "__rt_sdiv", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I32, "__rt_sdiv", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I64, "__rt_sdiv64", CallingConv::ARM_AAPCS }, + + { RTLIB::UDIVREM_I8, "__rt_udiv", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I16, "__rt_udiv", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I32, "__rt_udiv", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I64, "__rt_udiv64", CallingConv::ARM_AAPCS }, + }; + + for (const auto &LC : LibraryCalls) { + setLibcallName(LC.Op, LC.Name); + setLibcallCallingConv(LC.Op, LC.CC); + } + } else { + const struct { + const RTLIB::Libcall Op; + const char * const Name; + const CallingConv::ID CC; + } LibraryCalls[] = { + { RTLIB::SDIVREM_I8, "__aeabi_idivmod", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I16, "__aeabi_idivmod", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I32, "__aeabi_idivmod", CallingConv::ARM_AAPCS }, + { RTLIB::SDIVREM_I64, "__aeabi_ldivmod", CallingConv::ARM_AAPCS }, + + { RTLIB::UDIVREM_I8, "__aeabi_uidivmod", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I16, "__aeabi_uidivmod", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I32, "__aeabi_uidivmod", CallingConv::ARM_AAPCS }, + { RTLIB::UDIVREM_I64, "__aeabi_uldivmod", CallingConv::ARM_AAPCS }, + }; + + for (const auto &LC : LibraryCalls) { + setLibcallName(LC.Op, LC.Name); + setLibcallCallingConv(LC.Op, LC.CC); + } + } setOperationAction(ISD::SDIVREM, MVT::i32, Custom); setOperationAction(ISD::UDIVREM, MVT::i32, Custom); |
