diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/R600/AMDGPUISelLowering.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp index 29d3fc38e57..32bab66aeed 100644 --- a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp @@ -825,6 +825,12 @@ SDValue AMDGPUTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, // first parameter must be the same as the first instruction. SDValue Numerator = Op.getOperand(1); SDValue Denominator = Op.getOperand(2); + + // Note this order is opposite of the machine instruction's operations, + // which is s0.f = Quotient, s1.f = Denominator, s2.f = Numerator. The + // intrinsic has the numerator as the first operand to match a normal + // division operation. + SDValue Src0 = Param->isAllOnesValue() ? Numerator : Denominator; return DAG.getNode(AMDGPUISD::DIV_SCALE, DL, Op->getVTList(), Src0, |
