"optimmize" ? No need to resend just for that though.
Reviewed-by: Samuel Pitoiset <samuel.pitoi...@gmail.com> On 04/29/2017 06:46 PM, Karol Herbst wrote:
helps two alien isolation shaders shader-db: total instructions in shared programs : 4251497 -> 4251494 (-0.00%) total gprs used in shared programs : 513962 -> 513962 (0.00%) total local used in shared programs : 29797 -> 29797 (0.00%) total bytes used in shared programs : 38960264 -> 38960232 (-0.00%) local gpr inst bytes helped 0 0 2 2 hurt 0 0 0 0 Signed-off-by: Karol Herbst <karolher...@gmail.com> --- src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 015def0391..a2446e4df8 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -1284,6 +1284,11 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s)case OP_SHL:{ + if (s == 1 && imm0.isInteger(0)) { + i->op = OP_MOV; + i->setSrc(1, NULL); + break; + } if (s != 1 || i->src(0).mod != Modifier(0)) break; // try to concatenate shifts
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