fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 04:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

nvc0/ir: fold postfactor into immediate

Browse source 
SM20-SM50 can't emit a post-factor in the presence of a long immediate.
Make sure to fold it in.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit ff61ac4838)
This commit is contained in:
Ilia Mirkin 2015-12-01 20:35:19 -05:00 • committed by Emil Velikov
parent 69df6ac272
commit 75b6f14ab8
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
View file

@ -858,6 +858,12 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue &imm0, int s)
i->src(0).mod = i->src(t).mod;
i->setSrc(1, new_ImmediateValue(prog, imm0.reg.data.u32));
i->src(1).mod = 0;
} else
if (i->postFactor && i->sType == TYPE_F32) {
/* Can't emit a postfactor with an immediate, have to fold it in */
i->setSrc(s, new_ImmediateValue(
prog, imm0.reg.data.f32 * exp2f(i->postFactor)));
i->postFactor = 0;
}
break;
case OP_MAD: