diff options
Diffstat (limited to 'lib/Target/PIC16/PIC16ISelLowering.cpp')
| -rw-r--r-- | lib/Target/PIC16/PIC16ISelLowering.cpp | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp index ba465f3..f113a48 100644 --- a/lib/Target/PIC16/PIC16ISelLowering.cpp +++ b/lib/Target/PIC16/PIC16ISelLowering.cpp @@ -31,42 +31,72 @@ static const char *getIntrinsicName(unsigned opcode) { std::string Basename; switch(opcode) { default: assert (0 && "do not know intrinsic name"); + // Arithmetic Right shift for integer types. case PIC16ISD::SRA_I8: Basename = "sra.i8"; break; case RTLIB::SRA_I16: Basename = "sra.i16"; break; case RTLIB::SRA_I32: Basename = "sra.i32"; break; + // Left shift for integer types. case PIC16ISD::SLL_I8: Basename = "sll.i8"; break; case RTLIB::SHL_I16: Basename = "sll.i16"; break; case RTLIB::SHL_I32: Basename = "sll.i32"; break; + // Logical Right Shift for integer types. case PIC16ISD::SRL_I8: Basename = "srl.i8"; break; case RTLIB::SRL_I16: Basename = "srl.i16"; break; case RTLIB::SRL_I32: Basename = "srl.i32"; break; + // Multiply for integer types. case PIC16ISD::MUL_I8: Basename = "mul.i8"; break; case RTLIB::MUL_I16: Basename = "mul.i16"; break; case RTLIB::MUL_I32: Basename = "mul.i32"; break; + // Signed division for integers. case RTLIB::SDIV_I16: Basename = "sdiv.i16"; break; case RTLIB::SDIV_I32: Basename = "sdiv.i32"; break; + + // Unsigned division for integers. case RTLIB::UDIV_I16: Basename = "udiv.i16"; break; case RTLIB::UDIV_I32: Basename = "udiv.i32"; break; + // Signed Modulas for integers. case RTLIB::SREM_I16: Basename = "srem.i16"; break; case RTLIB::SREM_I32: Basename = "srem.i32"; break; + + // Unsigned Modulas for integers. case RTLIB::UREM_I16: Basename = "urem.i16"; break; case RTLIB::UREM_I32: Basename = "urem.i32"; break; - case RTLIB::FPTOSINT_F32_I32: - Basename = "f32_to_si32"; break; - case RTLIB::SINTTOFP_I32_F32: - Basename = "si32_to_f32"; break; + ////////////////////// + // LIBCALLS FOR FLOATS + ////////////////////// + + // Float to signed integrals + case RTLIB::FPTOSINT_F32_I8: Basename = "f32_to_si32"; break; + case RTLIB::FPTOSINT_F32_I16: Basename = "f32_to_si32"; break; + case RTLIB::FPTOSINT_F32_I32: Basename = "f32_to_si32"; break; + + // Signed integrals to float. char and int are first sign extended to i32 + // before being converted to float, so an I8_F32 or I16_F32 isn't required. + case RTLIB::SINTTOFP_I32_F32: Basename = "si32_to_f32"; break; + + // Float to Unsigned conversions. + // Signed conversion can be used for unsigned conversion as well. + // In signed and unsigned versions only the interpretation of the + // MSB is different. Bit representation remains the same. + case RTLIB::FPTOUINT_F32_I8: Basename = "f32_to_si32"; break; + case RTLIB::FPTOUINT_F32_I16: Basename = "f32_to_si32"; break; + case RTLIB::FPTOUINT_F32_I32: Basename = "f32_to_si32"; break; + + // Unsigned to Float conversions. char and int are first zero extended + // before being converted to float. + case RTLIB::UINTTOFP_I32_F32: Basename = "ui32_to_f32"; break; + // Floating point add, sub, mul, div. case RTLIB::ADD_F32: Basename = "add.f32"; break; case RTLIB::SUB_F32: Basename = "sub.f32"; break; case RTLIB::MUL_F32: Basename = "mul.f32"; break; case RTLIB::DIV_F32: Basename = "div.f32"; break; - } std::string prefix = PAN::getTagName(PAN::PREFIX_SYMBOL); @@ -83,7 +113,7 @@ static const char *getIntrinsicName(unsigned opcode) { // PIC16TargetLowering Constructor. PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM) : TargetLowering(TM), TmpSize(0) { - + Subtarget = &TM.getSubtarget<PIC16Subtarget>(); addRegisterClass(MVT::i8, PIC16::GPRRegisterClass); @@ -114,6 +144,7 @@ PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM) // Signed division lib call names setLibcallName(RTLIB::SDIV_I16, getIntrinsicName(RTLIB::SDIV_I16)); setLibcallName(RTLIB::SDIV_I32, getIntrinsicName(RTLIB::SDIV_I32)); + // Unsigned division lib call names setLibcallName(RTLIB::UDIV_I16, getIntrinsicName(RTLIB::UDIV_I16)); setLibcallName(RTLIB::UDIV_I32, getIntrinsicName(RTLIB::UDIV_I32)); @@ -121,15 +152,36 @@ PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM) // Signed remainder lib call names setLibcallName(RTLIB::SREM_I16, getIntrinsicName(RTLIB::SREM_I16)); setLibcallName(RTLIB::SREM_I32, getIntrinsicName(RTLIB::SREM_I32)); + // Unsigned remainder lib call names setLibcallName(RTLIB::UREM_I16, getIntrinsicName(RTLIB::UREM_I16)); setLibcallName(RTLIB::UREM_I32, getIntrinsicName(RTLIB::UREM_I32)); - // Floating point operations + // Floating point to signed int conversions. + setLibcallName(RTLIB::FPTOSINT_F32_I8, + getIntrinsicName(RTLIB::FPTOSINT_F32_I8)); + setLibcallName(RTLIB::FPTOSINT_F32_I16, + getIntrinsicName(RTLIB::FPTOSINT_F32_I16)); setLibcallName(RTLIB::FPTOSINT_F32_I32, getIntrinsicName(RTLIB::FPTOSINT_F32_I32)); + + // Signed int to floats. setLibcallName(RTLIB::SINTTOFP_I32_F32, getIntrinsicName(RTLIB::SINTTOFP_I32_F32)); + + // Floating points to unsigned ints. + setLibcallName(RTLIB::FPTOUINT_F32_I8, + getIntrinsicName(RTLIB::FPTOUINT_F32_I8)); + setLibcallName(RTLIB::FPTOUINT_F32_I16, + getIntrinsicName(RTLIB::FPTOUINT_F32_I16)); + setLibcallName(RTLIB::FPTOUINT_F32_I32, + getIntrinsicName(RTLIB::FPTOUINT_F32_I32)); + + // Unsigned int to floats. + setLibcallName(RTLIB::UINTTOFP_I32_F32, + getIntrinsicName(RTLIB::UINTTOFP_I32_F32)); + + // Floating point add, sub, mul ,div. setLibcallName(RTLIB::ADD_F32, getIntrinsicName(RTLIB::ADD_F32)); setLibcallName(RTLIB::SUB_F32, getIntrinsicName(RTLIB::SUB_F32)); setLibcallName(RTLIB::MUL_F32, getIntrinsicName(RTLIB::MUL_F32)); |
