diff options
author | Bill Wendling <isanbard@gmail.com> | 2008-09-22 00:44:35 +0000 |
---|---|---|
committer | Bill Wendling <isanbard@gmail.com> | 2008-09-22 00:44:35 +0000 |
commit | cd4c73aa708d9ecf5d7e0a711dbf359d22b6dd3a (patch) | |
tree | d758271ad7b39c41d459846de6f3b9d1d870cd78 | |
parent | 14743e83b9214fa9a6a5697dc08aafa37b62b046 (diff) |
Add helper function to get a 32-bit floating point constant. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56418 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp | 295 |
1 files changed, 106 insertions, 189 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp index 9492b33527f..5c0b07315d6 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp @@ -2738,12 +2738,12 @@ void AddCatchInfo(CallInst &I, MachineModuleInfo *MMI, } -// GetSignificand - Get the significand and build it into a floating-point -// number with exponent of 1: -// -// Op = (Op & 0x007fffff) | 0x3f800000; -// -// where Op is the hexidecimal representation of floating point value. +/// GetSignificand - Get the significand and build it into a floating-point +/// number with exponent of 1: +/// +/// Op = (Op & 0x007fffff) | 0x3f800000; +/// +/// where Op is the hexidecimal representation of floating point value. static SDValue GetSignificand(SelectionDAG &DAG, SDValue Op) { SDValue t1 = DAG.getNode(ISD::AND, MVT::i32, Op, @@ -2753,11 +2753,11 @@ GetSignificand(SelectionDAG &DAG, SDValue Op) { return DAG.getNode(ISD::BIT_CONVERT, MVT::f32, t2); } -// GetExponent - Get the exponent: -// -// (float)((Op1 >> 23) - 127); -// -// where Op is the hexidecimal representation of floating point value. +/// GetExponent - Get the exponent: +/// +/// (float)((Op1 >> 23) - 127); +/// +/// where Op is the hexidecimal representation of floating point value. static SDValue GetExponent(SelectionDAG &DAG, SDValue Op) { SDValue t1 = DAG.getNode(ISD::SRL, MVT::i32, Op, @@ -2767,6 +2767,12 @@ GetExponent(SelectionDAG &DAG, SDValue Op) { return DAG.getNode(ISD::UINT_TO_FP, MVT::f32, t2); } +/// getF32Constant - Get 32-bit floating point constant. +static SDValue +getF32Constant(SelectionDAG &DAG, unsigned Flt) { + return DAG.getConstantFP(APFloat(APInt(32, Flt)), MVT::f32); +} + /// Inlined utility function to implement binary input atomic intrinsics for /// visitIntrinsicCall: I is a call instruction /// Op is the associated NodeType for I @@ -2798,8 +2804,7 @@ SelectionDAGLowering::visitExp(CallInst &I) { // #define LOG2OFe 1.4426950f // IntegerPartOfX = ((int32_t)(X * LOG2OFe)); SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, Op, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fb8aa3b)), MVT::f32)); + getF32Constant(DAG, 0x3fb8aa3b)); SDValue IntegerPartOfX = DAG.getNode(ISD::FP_TO_SINT, MVT::i32, t0); // FractionalPartOfX = (X * LOG2OFe) - (float)IntegerPartOfX; @@ -2819,15 +2824,12 @@ SelectionDAGLowering::visitExp(CallInst &I) { // // error 0.0144103317, which is 6 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e814304)), MVT::f32)); + getF32Constant(DAG, 0x3e814304)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f3c50c8)), MVT::f32)); + getF32Constant(DAG, 0x3f3c50c8)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7f5e7e)), MVT::f32)); + getF32Constant(DAG, 0x3f7f5e7e)); SDValue TwoToFracPartOfX = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t5); // Add the exponent into the result in integer domain. @@ -2845,19 +2847,15 @@ SelectionDAGLowering::visitExp(CallInst &I) { // // 0.000107046256 error, which is 13 to 14 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3da235e3)), MVT::f32)); + getF32Constant(DAG, 0x3da235e3)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e65b8f3)), MVT::f32)); + getF32Constant(DAG, 0x3e65b8f3)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f324b07)), MVT::f32)); + getF32Constant(DAG, 0x3f324b07)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7ff8fd)), MVT::f32)); + getF32Constant(DAG, 0x3f7ff8fd)); SDValue TwoToFracPartOfX = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t7); // Add the exponent into the result in integer domain. @@ -2878,31 +2876,24 @@ SelectionDAGLowering::visitExp(CallInst &I) { // // error 2.47208000*10^(-7), which is better than 18 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3924b03e)), MVT::f32)); + getF32Constant(DAG, 0x3924b03e)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3ab24b87)), MVT::f32)); + getF32Constant(DAG, 0x3ab24b87)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3c1d8c17)), MVT::f32)); + getF32Constant(DAG, 0x3c1d8c17)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3d634a1d)), MVT::f32)); + getF32Constant(DAG, 0x3d634a1d)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue t9 = DAG.getNode(ISD::FADD, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e75fe14)), MVT::f32)); + getF32Constant(DAG, 0x3e75fe14)); SDValue t10 = DAG.getNode(ISD::FMUL, MVT::f32, t9, X); SDValue t11 = DAG.getNode(ISD::FADD, MVT::f32, t10, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f317234)), MVT::f32)); + getF32Constant(DAG, 0x3f317234)); SDValue t12 = DAG.getNode(ISD::FMUL, MVT::f32, t11, X); SDValue t13 = DAG.getNode(ISD::FADD, MVT::f32, t12, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f800000)), MVT::f32)); + getF32Constant(DAG, 0x3f800000)); SDValue TwoToFracPartOfX = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t13); // Add the exponent into the result in integer domain. @@ -2935,8 +2926,7 @@ SelectionDAGLowering::visitLog(CallInst &I) { // Scale the exponent by log(2) [0.69314718f]. SDValue Exp = GetExponent(DAG, Op1); SDValue LogOfExponent = DAG.getNode(ISD::FMUL, MVT::f32, Exp, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f317218)), MVT::f32)); + getF32Constant(DAG, 0x3f317218)); // Get the significand and build it into a floating-point number with // exponent of 1. @@ -2951,15 +2941,12 @@ SelectionDAGLowering::visitLog(CallInst &I) { // // error 0.0034276066, which is better than 8 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbe74c456)), MVT::f32)); + getF32Constant(DAG, 0xbe74c456)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fb3a2b1)), MVT::f32)); + getF32Constant(DAG, 0x3fb3a2b1)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f949a29)), MVT::f32)); + getF32Constant(DAG, 0x3f949a29)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, LogOfMantissa); } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) { @@ -2973,23 +2960,18 @@ SelectionDAGLowering::visitLog(CallInst &I) { // // error 0.000061011436, which is 14 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbd67b6d6)), MVT::f32)); + getF32Constant(DAG, 0xbd67b6d6)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3ee4f4b8)), MVT::f32)); + getF32Constant(DAG, 0x3ee4f4b8)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fbc278b)), MVT::f32)); + getF32Constant(DAG, 0x3fbc278b)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x40348e95)), MVT::f32)); + getF32Constant(DAG, 0x40348e95)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fdef31a)), MVT::f32)); + getF32Constant(DAG, 0x3fdef31a)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, LogOfMantissa); } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18 @@ -3005,31 +2987,24 @@ SelectionDAGLowering::visitLog(CallInst &I) { // // error 0.0000023660568, which is better than 18 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbc91e5ac)), MVT::f32)); + getF32Constant(DAG, 0xbc91e5ac)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e4350aa)), MVT::f32)); + getF32Constant(DAG, 0x3e4350aa)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f60d3e3)), MVT::f32)); + getF32Constant(DAG, 0x3f60d3e3)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x4011cdf0)), MVT::f32)); + getF32Constant(DAG, 0x4011cdf0)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FSUB, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x406cfd1c)), MVT::f32)); + getF32Constant(DAG, 0x406cfd1c)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue t9 = DAG.getNode(ISD::FADD, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x408797cb)), MVT::f32)); + getF32Constant(DAG, 0x408797cb)); SDValue t10 = DAG.getNode(ISD::FMUL, MVT::f32, t9, X); SDValue LogOfMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t10, - DAG.getConstantFP(APFloat( - APInt(32, 0x4006dcab)), MVT::f32)); + getF32Constant(DAG, 0x4006dcab)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, LogOfMantissa); } @@ -3070,15 +3045,12 @@ SelectionDAGLowering::visitLog2(CallInst &I) { // // error 0.0049451742, which is more than 7 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbeb08fe0)), MVT::f32)); + getF32Constant(DAG, 0xbeb08fe0)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x40019463)), MVT::f32)); + getF32Constant(DAG, 0x40019463)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fd6633d)), MVT::f32)); + getF32Constant(DAG, 0x3fd6633d)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log2ofMantissa); } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) { @@ -3092,23 +3064,18 @@ SelectionDAGLowering::visitLog2(CallInst &I) { // // error 0.0000876136000, which is better than 13 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbda7262e)), MVT::f32)); + getF32Constant(DAG, 0xbda7262e)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f25280b)), MVT::f32)); + getF32Constant(DAG, 0x3f25280b)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x4007b923)), MVT::f32)); + getF32Constant(DAG, 0x4007b923)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x40823e2f)), MVT::f32)); + getF32Constant(DAG, 0x40823e2f)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x4020d29c)), MVT::f32)); + getF32Constant(DAG, 0x4020d29c)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log2ofMantissa); } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18 @@ -3125,31 +3092,24 @@ SelectionDAGLowering::visitLog2(CallInst &I) { // // error 0.0000018516, which is better than 18 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbcd2769e)), MVT::f32)); + getF32Constant(DAG, 0xbcd2769e)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e8ce0b9)), MVT::f32)); + getF32Constant(DAG, 0x3e8ce0b9)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fa22ae7)), MVT::f32)); + getF32Constant(DAG, 0x3fa22ae7)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x40525723)), MVT::f32)); + getF32Constant(DAG, 0x40525723)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FSUB, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x40aaf200)), MVT::f32)); + getF32Constant(DAG, 0x40aaf200)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue t9 = DAG.getNode(ISD::FADD, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x40c39dad)), MVT::f32)); + getF32Constant(DAG, 0x40c39dad)); SDValue t10 = DAG.getNode(ISD::FMUL, MVT::f32, t9, X); SDValue Log2ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t10, - DAG.getConstantFP(APFloat( - APInt(32, 0x4042902c)), MVT::f32)); + getF32Constant(DAG, 0x4042902c)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log2ofMantissa); } @@ -3176,8 +3136,7 @@ SelectionDAGLowering::visitLog10(CallInst &I) { // Scale the exponent by log10(2) [0.30102999f]. SDValue Exp = GetExponent(DAG, Op1); SDValue LogOfExponent = DAG.getNode(ISD::FMUL, MVT::f32, Exp, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e9a209a)), MVT::f32)); + getF32Constant(DAG, 0x3e9a209a)); // Get the significand and build it into a floating-point number with // exponent of 1. @@ -3192,15 +3151,12 @@ SelectionDAGLowering::visitLog10(CallInst &I) { // // error 0.0014886165, which is 6 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0xbdd49a13)), MVT::f32)); + getF32Constant(DAG, 0xbdd49a13)); SDValue t1 = DAG.getNode(ISD::FADD, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f1c0789)), MVT::f32)); + getF32Constant(DAG, 0x3f1c0789)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f011300)), MVT::f32)); + getF32Constant(DAG, 0x3f011300)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log10ofMantissa); } else if (LimitFloatPrecision > 6 && LimitFloatPrecision <= 12) { @@ -3213,19 +3169,15 @@ SelectionDAGLowering::visitLog10(CallInst &I) { // // error 0.00019228036, which is better than 12 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3d431f31)), MVT::f32)); + getF32Constant(DAG, 0x3d431f31)); SDValue t1 = DAG.getNode(ISD::FSUB, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3ea21fb2)), MVT::f32)); + getF32Constant(DAG, 0x3ea21fb2)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f6ae232)), MVT::f32)); + getF32Constant(DAG, 0x3f6ae232)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f25f7c3)), MVT::f32)); + getF32Constant(DAG, 0x3f25f7c3)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log10ofMantissa); } else { // LimitFloatPrecision > 12 && LimitFloatPrecision <= 18 @@ -3240,27 +3192,21 @@ SelectionDAGLowering::visitLog10(CallInst &I) { // // error 0.0000037995730, which is better than 18 bits SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3c5d51ce)), MVT::f32)); + getF32Constant(DAG, 0x3c5d51ce)); SDValue t1 = DAG.getNode(ISD::FSUB, MVT::f32, t0, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e00685a)), MVT::f32)); + getF32Constant(DAG, 0x3e00685a)); SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, t1, X); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3efb6798)), MVT::f32)); + getF32Constant(DAG, 0x3efb6798)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FSUB, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f88d192)), MVT::f32)); + getF32Constant(DAG, 0x3f88d192)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3fc4316c)), MVT::f32)); + getF32Constant(DAG, 0x3fc4316c)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue Log10ofMantissa = DAG.getNode(ISD::FSUB, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f57ce70)), MVT::f32)); + getF32Constant(DAG, 0x3f57ce70)); result = DAG.getNode(ISD::FADD, MVT::f32, LogOfExponent, Log10ofMantissa); } @@ -3303,15 +3249,12 @@ SelectionDAGLowering::visitExp2(CallInst &I) { // // error 0.0144103317, which is 6 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e814304)), MVT::f32)); + getF32Constant(DAG, 0x3e814304)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f3c50c8)), MVT::f32)); + getF32Constant(DAG, 0x3f3c50c8)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7f5e7e)), MVT::f32)); + getF32Constant(DAG, 0x3f7f5e7e)); SDValue t6 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t5); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t6, IntegerPartOfX); @@ -3327,19 +3270,15 @@ SelectionDAGLowering::visitExp2(CallInst &I) { // // error 0.000107046256, which is 13 to 14 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3da235e3)), MVT::f32)); + getF32Constant(DAG, 0x3da235e3)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e65b8f3)), MVT::f32)); + getF32Constant(DAG, 0x3e65b8f3)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f324b07)), MVT::f32)); + getF32Constant(DAG, 0x3f324b07)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7ff8fd)), MVT::f32)); + getF32Constant(DAG, 0x3f7ff8fd)); SDValue t8 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t7); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t8, IntegerPartOfX); @@ -3357,31 +3296,24 @@ SelectionDAGLowering::visitExp2(CallInst &I) { // (0.136028312e-2f + 0.157059148e-3f *x)*x)*x)*x)*x)*x; // error 2.47208000*10^(-7), which is better than 18 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3924b03e)), MVT::f32)); + getF32Constant(DAG, 0x3924b03e)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3ab24b87)), MVT::f32)); + getF32Constant(DAG, 0x3ab24b87)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3c1d8c17)), MVT::f32)); + getF32Constant(DAG, 0x3c1d8c17)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3d634a1d)), MVT::f32)); + getF32Constant(DAG, 0x3d634a1d)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue t9 = DAG.getNode(ISD::FADD, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e75fe14)), MVT::f32)); + getF32Constant(DAG, 0x3e75fe14)); SDValue t10 = DAG.getNode(ISD::FMUL, MVT::f32, t9, X); SDValue t11 = DAG.getNode(ISD::FADD, MVT::f32, t10, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f317234)), MVT::f32)); + getF32Constant(DAG, 0x3f317234)); SDValue t12 = DAG.getNode(ISD::FMUL, MVT::f32, t11, X); SDValue t13 = DAG.getNode(ISD::FADD, MVT::f32, t12, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f800000)), MVT::f32)); + getF32Constant(DAG, 0x3f800000)); SDValue t14 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t13); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t14, IntegerPartOfX); @@ -3426,8 +3358,7 @@ SelectionDAGLowering::visitPow(CallInst &I) { // #define LOG2OF10 3.3219281f // IntegerPartOfX = (int32_t)(x * LOG2OF10); SDValue t0 = DAG.getNode(ISD::FMUL, MVT::f32, Op, - DAG.getConstantFP(APFloat( - APInt(32, 0x40549a78)), MVT::f32)); + getF32Constant(DAG, 0x40549a78)); SDValue IntegerPartOfX = DAG.getNode(ISD::FP_TO_SINT, MVT::i32, t0); // FractionalPartOfX = x - (float)IntegerPartOfX; @@ -3447,15 +3378,12 @@ SelectionDAGLowering::visitPow(CallInst &I) { // // error 0.0144103317, which is 6 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e814304)), MVT::f32)); + getF32Constant(DAG, 0x3e814304)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f3c50c8)), MVT::f32)); + getF32Constant(DAG, 0x3f3c50c8)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7f5e7e)), MVT::f32)); + getF32Constant(DAG, 0x3f7f5e7e)); SDValue t6 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t5); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t6, IntegerPartOfX); @@ -3471,19 +3399,15 @@ SelectionDAGLowering::visitPow(CallInst &I) { // // error 0.000107046256, which is 13 to 14 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3da235e3)), MVT::f32)); + getF32Constant(DAG, 0x3da235e3)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e65b8f3)), MVT::f32)); + getF32Constant(DAG, 0x3e65b8f3)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f324b07)), MVT::f32)); + getF32Constant(DAG, 0x3f324b07)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f7ff8fd)), MVT::f32)); + getF32Constant(DAG, 0x3f7ff8fd)); SDValue t8 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t7); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t8, IntegerPartOfX); @@ -3501,31 +3425,24 @@ SelectionDAGLowering::visitPow(CallInst &I) { // (0.136028312e-2f + 0.157059148e-3f *x)*x)*x)*x)*x)*x; // error 2.47208000*10^(-7), which is better than 18 bits SDValue t2 = DAG.getNode(ISD::FMUL, MVT::f32, X, - DAG.getConstantFP(APFloat( - APInt(32, 0x3924b03e)), MVT::f32)); + getF32Constant(DAG, 0x3924b03e)); SDValue t3 = DAG.getNode(ISD::FADD, MVT::f32, t2, - DAG.getConstantFP(APFloat( - APInt(32, 0x3ab24b87)), MVT::f32)); + getF32Constant(DAG, 0x3ab24b87)); SDValue t4 = DAG.getNode(ISD::FMUL, MVT::f32, t3, X); SDValue t5 = DAG.getNode(ISD::FADD, MVT::f32, t4, - DAG.getConstantFP(APFloat( - APInt(32, 0x3c1d8c17)), MVT::f32)); + getF32Constant(DAG, 0x3c1d8c17)); SDValue t6 = DAG.getNode(ISD::FMUL, MVT::f32, t5, X); SDValue t7 = DAG.getNode(ISD::FADD, MVT::f32, t6, - DAG.getConstantFP(APFloat( - APInt(32, 0x3d634a1d)), MVT::f32)); + getF32Constant(DAG, 0x3d634a1d)); SDValue t8 = DAG.getNode(ISD::FMUL, MVT::f32, t7, X); SDValue t9 = DAG.getNode(ISD::FADD, MVT::f32, t8, - DAG.getConstantFP(APFloat( - APInt(32, 0x3e75fe14)), MVT::f32)); + getF32Constant(DAG, 0x3e75fe14)); SDValue t10 = DAG.getNode(ISD::FMUL, MVT::f32, t9, X); SDValue t11 = DAG.getNode(ISD::FADD, MVT::f32, t10, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f317234)), MVT::f32)); + getF32Constant(DAG, 0x3f317234)); SDValue t12 = DAG.getNode(ISD::FMUL, MVT::f32, t11, X); SDValue t13 = DAG.getNode(ISD::FADD, MVT::f32, t12, - DAG.getConstantFP(APFloat( - APInt(32, 0x3f800000)), MVT::f32)); + getF32Constant(DAG, 0x3f800000)); SDValue t14 = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, t13); SDValue TwoToFractionalPartOfX = DAG.getNode(ISD::ADD, MVT::i32, t14, IntegerPartOfX); |