On Tue, Jun 3, 2014 at 4:58 PM, Tobias Klausmann
<tobias.johannes.klausm...@mni.thm.de> wrote:
> Signed-off-by: Tobias Klausmann <tobias.johannes.klausm...@mni.thm.de>
> ---
> .../drivers/nouveau/codegen/nv50_ir_peephole.cpp | 18
> ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> index a214ffc..c497335 100644
> --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
> @@ -948,6 +948,24 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue
> &imm0, int s)
> case OP_EX2:
> unary(i, imm0);
> break;
> + case OP_BFIND: {
> + int32_t res;
> + switch (i->dType) {
> + case TYPE_S32:
> + res = util_last_bit_signed(imm0.reg.data.s32) - 1; break;
The style elsewhere is to do
case TYPE_S32: foo; break;
if it fits. Otherwise put the break on a separate line.
> + case TYPE_U32:
> + res = util_last_bit(imm0.reg.data.u32) -1; break;
Missing space between "-" and "1".
> + default:
> + return;
> + }
> + if ((i->subOp == NV50_IR_SUBOP_BFIND_SAMT) && (res >= 0))
No need for the extra parens. && comes after ==.
> + res = 31 - res;
> + i->setSrc(0, new_ImmediateValue(i->bb->getProgram(), (uint32_t)res));
Why the typecast?
> + i->setSrc(1, NULL);
> + i->op = OP_MOV;
> + i->subOp = 0;
> + break;
> + }
> default:
> return;
> }
> --
> 1.8.4.5
>
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