diff options
Diffstat (limited to 'src/gallium/drivers/radeon/AMDGPUInstrInfo.td')
| -rw-r--r-- | src/gallium/drivers/radeon/AMDGPUInstrInfo.td | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/AMDGPUInstrInfo.td b/src/gallium/drivers/radeon/AMDGPUInstrInfo.td index 5e44ef9c40b..44527196861 100644 --- a/src/gallium/drivers/radeon/AMDGPUInstrInfo.td +++ b/src/gallium/drivers/radeon/AMDGPUInstrInfo.td @@ -12,9 +12,23 @@ //===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===// +// AMDGPU DAG Profiles +//===----------------------------------------------------------------------===// + +def AMDGPUDTIntTernaryOp : SDTypeProfile<1, 3, [ + SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3> +]>; + +//===----------------------------------------------------------------------===// // AMDGPU DAG Nodes // +// out = ((a << 32) | b) >> c) +// +// Can be used to optimize rtol: +// rotl(a, b) = bitalign(a, a, 32 - b) +def AMDGPUbitalign : SDNode<"AMDGPUISD::BITALIGN", AMDGPUDTIntTernaryOp>; + // out = a - floor(a) def AMDGPUfract : SDNode<"AMDGPUISD::FRACT", SDTFPUnaryOp>; |