diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-10-17 23:02:16 +0200 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-10-21 23:00:39 +0200 |
| commit | 0e4e0ca6df52ddecd1bb2fe9a427549d1a82b9f9 (patch) | |
| tree | 1fe3b90d51d5e39a3ddfe76e7b45ef17461a726b | |
| parent | 974102c7c27e45b0fb661e9374b2c51c9108922a (diff) | |
nv50/ir: add wrap mode for shift operations
D3D1x specifies that only the low 5 bit of the shift are used.
| -rw-r--r-- | src/gallium/drivers/nv50/codegen/nv50_ir.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp | 4 |
3 files changed, 5 insertions, 2 deletions
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir.h b/src/gallium/drivers/nv50/codegen/nv50_ir.h index e92b152a83b..88306087a98 100644 --- a/src/gallium/drivers/nv50/codegen/nv50_ir.h +++ b/src/gallium/drivers/nv50/codegen/nv50_ir.h @@ -136,6 +136,7 @@ enum operation #define NV50_IR_SUBOP_LDC_IL 1 #define NV50_IR_SUBOP_LDC_IS 2 #define NV50_IR_SUBOP_LDC_ISL 3 +#define NV50_IR_SUBOP_SHIFT_WRAP 1 enum DataType { diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp index a730d2c06ab..4040a4d9c0f 100644 --- a/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp +++ b/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp @@ -437,6 +437,8 @@ void Instruction::print() const PRINT(" %sBB:%i", colour[TXT_BRA], asFlow()->target.bb->getId()); } else { PRINT("%s ", operationStr[op]); + if (subOp) + PRINT("(SUBOP:%u) ", subOp); if (perPatch) PRINT("patch "); if (asTex()) diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp index 6bcbd625600..13f5d2f7c72 100644 --- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp +++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp @@ -665,8 +665,8 @@ CodeEmitterNVC0::emitShift(const Instruction *i) emitForm_A(i, HEX64(60000000, 00000003)); } - if (0) - code[0] |= 1 << 9; // clamp shift amount + if (i->subOp == NV50_IR_SUBOP_SHIFT_WRAP) + code[0] |= 1 << 9; } void |