diff options
| author | Tom Stellard <[email protected]> | 2012-09-13 15:19:48 +0000 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2012-09-21 19:30:57 +0000 |
| commit | e866dbd1b538ce086ef0a8b7e5ae7ae8e81a72e7 (patch) | |
| tree | 9301e75c9a3911bf1bff3afdf131372fae9023bd | |
| parent | b282c9611e154254de38fbc0782885944f83384b (diff) | |
radeon/llvm: Add support for i8 reads on R600
| -rw-r--r-- | src/gallium/drivers/radeon/AMDGPUInstructions.td | 8 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/R600Instructions.td | 16 |
3 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/AMDGPUInstructions.td b/src/gallium/drivers/radeon/AMDGPUInstructions.td index 01948731fbb..9dbdc615e2d 100644 --- a/src/gallium/drivers/radeon/AMDGPUInstructions.td +++ b/src/gallium/drivers/radeon/AMDGPUInstructions.td @@ -74,6 +74,14 @@ def COND_LE : PatLeaf < case ISD::SETLE: return true;}}}] >; +//===----------------------------------------------------------------------===// +// Load/Store Pattern Fragments +//===----------------------------------------------------------------------===// + +def zextloadi8_global : PatFrag<(ops node:$ptr), (zextloadi8 node:$ptr), [{ + return isGlobalLoad(dyn_cast<LoadSDNode>(N)); +}]>; + class Constants { int TWO_PI = 0x40c90fdb; int PI = 0x40490fdb; diff --git a/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp b/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp index dcf833876ce..65fd22f8cf5 100644 --- a/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp +++ b/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp @@ -167,6 +167,7 @@ void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS, } case AMDGPU::VTX_READ_PARAM_i32_eg: case AMDGPU::VTX_READ_PARAM_f32_eg: + case AMDGPU::VTX_READ_GLOBAL_i8_eg: case AMDGPU::VTX_READ_GLOBAL_i32_eg: case AMDGPU::VTX_READ_GLOBAL_f32_eg: case AMDGPU::VTX_READ_GLOBAL_v4i32_eg: diff --git a/src/gallium/drivers/radeon/R600Instructions.td b/src/gallium/drivers/radeon/R600Instructions.td index c9c9f611ed6..0f4bbb3a04b 100644 --- a/src/gallium/drivers/radeon/R600Instructions.td +++ b/src/gallium/drivers/radeon/R600Instructions.td @@ -1059,6 +1059,17 @@ class VTX_READ_eg <bits<8> buffer_id, dag outs, list<dag> pattern> // Inst{127-96} = 0; } +class VTX_READ_8_eg <bits<8> buffer_id, list<dag> pattern> + : VTX_READ_eg <buffer_id, (outs R600_TReg32_X:$dst), pattern> { + + let MEGA_FETCH_COUNT = 1; + let DST_SEL_X = 0; + let DST_SEL_Y = 7; // Masked + let DST_SEL_Z = 7; // Masked + let DST_SEL_W = 7; // Masked + let DATA_FORMAT = 1; // FMT_8 +} + class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern> : VTX_READ_eg <buffer_id, (outs R600_TReg32_X:$dst), pattern> { @@ -1111,6 +1122,11 @@ def VTX_READ_PARAM_f32_eg : VTX_READ_PARAM_32_eg<f32>; // VTX Read from global memory space //===----------------------------------------------------------------------===// +// 8-bit reads +def VTX_READ_GLOBAL_i8_eg : VTX_READ_8_eg <1, + [(set (i32 R600_TReg32_X:$dst), (zextloadi8_global ADDRVTX_READ:$ptr))] +>; + // 32-bit reads class VTX_READ_GLOBAL_eg <ValueType vt> : VTX_READ_32_eg <1, |