diff options
Diffstat (limited to 'src/gallium/drivers/nouveau')
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 1ab743705a7..ecb4bae2a83 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -997,6 +997,16 @@ ConstantFolding::createMul(DataType ty, Value *def, Value *a, int64_t b, Value * return true; } + if (typeSizeof(ty) == 4 && b >= 0 && b <= 0xffff && + target->isOpSupported(OP_XMAD, TYPE_U32)) { + Value *tmp = bld.mkOp3v(OP_XMAD, TYPE_U32, bld.getSSA(), + a, bld.mkImm((uint32_t)b), c ? c : bld.mkImm(0)); + bld.mkOp3(OP_XMAD, TYPE_U32, def, a, bld.mkImm((uint32_t)b), tmp)->subOp = + NV50_IR_SUBOP_XMAD_PSL | NV50_IR_SUBOP_XMAD_H1(0); + + return true; + } + return false; } |