diff options
| author | Tom Stellard <[email protected]> | 2012-05-25 10:50:35 -0400 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2012-05-25 15:40:58 -0400 |
| commit | d784bc77405012b442ae9d68f200e9d115030b3c (patch) | |
| tree | 7d8b857f99d40f7e26e7f597385c53a6f7c227ee /src/gallium/drivers/radeon/AMDGPUInstructions.td | |
| parent | 17f852892346fdf3b1e9eec56b7a55c470279bc8 (diff) | |
radeon/llvm: Use a custom inserter to lower CLAMP
Diffstat (limited to 'src/gallium/drivers/radeon/AMDGPUInstructions.td')
| -rw-r--r-- | src/gallium/drivers/radeon/AMDGPUInstructions.td | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/AMDGPUInstructions.td b/src/gallium/drivers/radeon/AMDGPUInstructions.td index e1ace508e88..1f0d582d82b 100644 --- a/src/gallium/drivers/radeon/AMDGPUInstructions.td +++ b/src/gallium/drivers/radeon/AMDGPUInstructions.td @@ -39,6 +39,16 @@ int TWO_PI_INV = 0x3e22f983; } def CONST : Constants; +def FP_ZERO : PatLeaf < + (fpimm), + [{return N->getValueAPF().isZero();}] +>; + +def FP_ONE : PatLeaf < + (fpimm), + [{return N->isExactlyValue(1.0);}] +>; + let isCodeGenOnly = 1 in { def MASK_WRITE : AMDGPUShaderInst < @@ -50,6 +60,13 @@ let isCodeGenOnly = 1 in { let isPseudo = 1, usesCustomInserter = 1 in { +class CLAMP <RegisterClass rc> : AMDGPUShaderInst < + (outs rc:$dst), + (ins rc:$src0), + "CLAMP $dst, $src0", + [(set rc:$dst, (int_AMDIL_clamp rc:$src0, (f32 FP_ZERO), (f32 FP_ONE)))] +>; + class FABS <RegisterClass rc> : AMDGPUShaderInst < (outs rc:$dst), (ins rc:$src0), |