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aco: fix creating v_madak if v_mad_f32 has two sgpr literals

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Do not ignore that src1 can be a sgpr.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2435
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3759>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3759>
(cherry picked from commit ddd767387f)
This commit is contained in:
Samuel Pitoiset 2020-02-10 12:13:15 +01:00 • committed by Dylan Baker
parent 75ea9c808d
commit 4558bdb95a
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -22,7 +22,7 @@
"description": "aco: fix creating v_madak if v_mad_f32 has two sgpr literals",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": null
},

2
src/amd/compiler/aco_optimizer.cpp
View file

@ -2604,7 +2604,7 @@ void select_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
continue;
/* if one of the operands is sgpr, we cannot add a literal somewhere else on pre-GFX10 or operands other than the 1st */
if (instr->operands[i].getTemp().type() == RegType::sgpr && (i > 0 || ctx.program->chip_class < GFX10)) {
if (ctx.info[instr->operands[i].tempId()].is_literal()) {
if (!sgpr_used && ctx.info[instr->operands[i].tempId()].is_literal()) {
literal_uses = ctx.uses[instr->operands[i].tempId()];
literal_idx = i;
} else {