FPROUND_F80_F64,
FPROUND_F128_F64,
FPROUND_PPCF128_F64,
- FPTOSINT_F32_I8,
- FPTOSINT_F32_I16,
FPTOSINT_F32_I32,
FPTOSINT_F32_I64,
FPTOSINT_F32_I128,
- FPTOSINT_F64_I8,
- FPTOSINT_F64_I16,
FPTOSINT_F64_I32,
FPTOSINT_F64_I64,
FPTOSINT_F64_I128,
FPTOSINT_PPCF128_I32,
FPTOSINT_PPCF128_I64,
FPTOSINT_PPCF128_I128,
- FPTOUINT_F32_I8,
- FPTOUINT_F32_I16,
FPTOUINT_F32_I32,
FPTOUINT_F32_I64,
FPTOUINT_F32_I128,
- FPTOUINT_F64_I8,
- FPTOUINT_F64_I16,
FPTOUINT_F64_I32,
FPTOUINT_F64_I64,
FPTOUINT_F64_I128,
case ISD::FP_EXTEND: Res = SoftenFloatOp_FP_EXTEND(N); break;
case ISD::FP_TO_FP16: // Same as FP_ROUND for softening purposes
case ISD::FP_ROUND: Res = SoftenFloatOp_FP_ROUND(N); break;
- case ISD::FP_TO_SINT: Res = SoftenFloatOp_FP_TO_SINT(N); break;
- case ISD::FP_TO_UINT: Res = SoftenFloatOp_FP_TO_UINT(N); break;
+ case ISD::FP_TO_SINT:
+ case ISD::FP_TO_UINT: Res = SoftenFloatOp_FP_TO_XINT(N); break;
case ISD::SELECT_CC: Res = SoftenFloatOp_SELECT_CC(N); break;
case ISD::SETCC: Res = SoftenFloatOp_SETCC(N); break;
case ISD::STORE:
0);
}
-SDValue DAGTypeLegalizer::SoftenFloatOp_FP_TO_SINT(SDNode *N) {
+SDValue DAGTypeLegalizer::SoftenFloatOp_FP_TO_XINT(SDNode *N) {
+ bool Signed = N->getOpcode() == ISD::FP_TO_SINT;
+ EVT SVT = N->getOperand(0).getValueType();
EVT RVT = N->getValueType(0);
- RTLIB::Libcall LC = RTLIB::getFPTOSINT(N->getOperand(0).getValueType(), RVT);
- assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_SINT!");
- SDValue Op = GetSoftenedFloat(N->getOperand(0));
- return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first;
-}
+ EVT NVT = EVT();
+ SDLoc dl(N);
+
+ // If the result is not legal, eg: fp -> i1, then it needs to be promoted to
+ // a larger type, eg: fp -> i32. Even if it is legal, no libcall may exactly
+ // match, eg. we don't have fp -> i8 conversions.
+ // Look for an appropriate libcall.
+ RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
+ for (unsigned IntVT = MVT::FIRST_INTEGER_VALUETYPE;
+ IntVT <= MVT::LAST_INTEGER_VALUETYPE && LC == RTLIB::UNKNOWN_LIBCALL;
+ ++IntVT) {
+ NVT = (MVT::SimpleValueType)IntVT;
+ // The type needs to big enough to hold the result.
+ if (NVT.bitsGE(RVT))
+ LC = Signed ? RTLIB::getFPTOSINT(SVT, NVT):RTLIB::getFPTOUINT(SVT, NVT);
+ }
+ assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_XINT!");
-SDValue DAGTypeLegalizer::SoftenFloatOp_FP_TO_UINT(SDNode *N) {
- EVT RVT = N->getValueType(0);
- RTLIB::Libcall LC = RTLIB::getFPTOUINT(N->getOperand(0).getValueType(), RVT);
- assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_UINT!");
SDValue Op = GetSoftenedFloat(N->getOperand(0));
- return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first;
+ SDValue Res = TLI.makeLibCall(DAG, LC, NVT, Op, false, dl).first;
+
+ // Truncate the result if the libcall returns a larger type.
+ return DAG.getNode(ISD::TRUNCATE, dl, RVT, Res);
}
SDValue DAGTypeLegalizer::SoftenFloatOp_SELECT_CC(SDNode *N) {
SDValue SoftenFloatOp_BR_CC(SDNode *N);
SDValue SoftenFloatOp_FP_EXTEND(SDNode *N);
SDValue SoftenFloatOp_FP_ROUND(SDNode *N);
- SDValue SoftenFloatOp_FP_TO_SINT(SDNode *N);
- SDValue SoftenFloatOp_FP_TO_UINT(SDNode *N);
+ SDValue SoftenFloatOp_FP_TO_XINT(SDNode *N);
SDValue SoftenFloatOp_SELECT_CC(SDNode *N);
SDValue SoftenFloatOp_SETCC(SDNode *N);
SDValue SoftenFloatOp_STORE(SDNode *N, unsigned OpNo);
Names[RTLIB::FPROUND_F80_F64] = "__truncxfdf2";
Names[RTLIB::FPROUND_F128_F64] = "__trunctfdf2";
Names[RTLIB::FPROUND_PPCF128_F64] = "__trunctfdf2";
- Names[RTLIB::FPTOSINT_F32_I8] = "__fixsfqi";
- Names[RTLIB::FPTOSINT_F32_I16] = "__fixsfhi";
Names[RTLIB::FPTOSINT_F32_I32] = "__fixsfsi";
Names[RTLIB::FPTOSINT_F32_I64] = "__fixsfdi";
Names[RTLIB::FPTOSINT_F32_I128] = "__fixsfti";
- Names[RTLIB::FPTOSINT_F64_I8] = "__fixdfqi";
- Names[RTLIB::FPTOSINT_F64_I16] = "__fixdfhi";
Names[RTLIB::FPTOSINT_F64_I32] = "__fixdfsi";
Names[RTLIB::FPTOSINT_F64_I64] = "__fixdfdi";
Names[RTLIB::FPTOSINT_F64_I128] = "__fixdfti";
Names[RTLIB::FPTOSINT_PPCF128_I32] = "__fixtfsi";
Names[RTLIB::FPTOSINT_PPCF128_I64] = "__fixtfdi";
Names[RTLIB::FPTOSINT_PPCF128_I128] = "__fixtfti";
- Names[RTLIB::FPTOUINT_F32_I8] = "__fixunssfqi";
- Names[RTLIB::FPTOUINT_F32_I16] = "__fixunssfhi";
Names[RTLIB::FPTOUINT_F32_I32] = "__fixunssfsi";
Names[RTLIB::FPTOUINT_F32_I64] = "__fixunssfdi";
Names[RTLIB::FPTOUINT_F32_I128] = "__fixunssfti";
- Names[RTLIB::FPTOUINT_F64_I8] = "__fixunsdfqi";
- Names[RTLIB::FPTOUINT_F64_I16] = "__fixunsdfhi";
Names[RTLIB::FPTOUINT_F64_I32] = "__fixunsdfsi";
Names[RTLIB::FPTOUINT_F64_I64] = "__fixunsdfdi";
Names[RTLIB::FPTOUINT_F64_I128] = "__fixunsdfti";
/// UNKNOWN_LIBCALL if there is none.
RTLIB::Libcall RTLIB::getFPTOSINT(EVT OpVT, EVT RetVT) {
if (OpVT == MVT::f32) {
- if (RetVT == MVT::i8)
- return FPTOSINT_F32_I8;
- if (RetVT == MVT::i16)
- return FPTOSINT_F32_I16;
if (RetVT == MVT::i32)
return FPTOSINT_F32_I32;
if (RetVT == MVT::i64)
if (RetVT == MVT::i128)
return FPTOSINT_F32_I128;
} else if (OpVT == MVT::f64) {
- if (RetVT == MVT::i8)
- return FPTOSINT_F64_I8;
- if (RetVT == MVT::i16)
- return FPTOSINT_F64_I16;
if (RetVT == MVT::i32)
return FPTOSINT_F64_I32;
if (RetVT == MVT::i64)
/// UNKNOWN_LIBCALL if there is none.
RTLIB::Libcall RTLIB::getFPTOUINT(EVT OpVT, EVT RetVT) {
if (OpVT == MVT::f32) {
- if (RetVT == MVT::i8)
- return FPTOUINT_F32_I8;
- if (RetVT == MVT::i16)
- return FPTOUINT_F32_I16;
if (RetVT == MVT::i32)
return FPTOUINT_F32_I32;
if (RetVT == MVT::i64)
if (RetVT == MVT::i128)
return FPTOUINT_F32_I128;
} else if (OpVT == MVT::f64) {
- if (RetVT == MVT::i8)
- return FPTOUINT_F64_I8;
- if (RetVT == MVT::i16)
- return FPTOUINT_F64_I16;
if (RetVT == MVT::i32)
return FPTOUINT_F64_I32;
if (RetVT == MVT::i64)
ret i32 %conv
}
+; CHECK-LABEL: f_to_s8:
+; CHECK: call{{l|q}} __fixsfsi
+define i8 @f_to_s8(float %f, i8 %i) #0 {
+entry:
+ %conv = fptosi float %f to i8
+ %add = add i8 %conv, %i
+ ret i8 %add
+}
+
+; CHECK-LABEL: f_to_u8:
+; CHECK: call{{l|q}} __fixunssfsi
+define i8 @f_to_u8(float %f, i8 %i) #0 {
+entry:
+ %conv = fptoui float %f to i8
+ %add = add i8 %conv, %i
+ ret i8 %add
+}
+
+; CHECK-LABEL: f_to_s16:
+; CHECK: call{{l|q}} __fixsfsi
+define i16 @f_to_s16(float %f, i16 %i) #0 {
+entry:
+ %conv = fptosi float %f to i16
+ %add = add i16 %conv, %i
+ ret i16 %add
+}
+
+; CHECK-LABEL: f_to_u16:
+; CHECK: call{{l|q}} __fixunssfsi
+define i16 @f_to_u16(float %f, i16 %i) #0 {
+entry:
+ %conv = fptoui float %f to i16
+ %add = add i16 %conv, %i
+ ret i16 %add
+}
+
attributes #0 = { nounwind "use-soft-float"="true" }