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aco: allow SGPRs on every src position for VOP3P

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6680>
This commit is contained in:
Daniel Schürmann
2021-01-08 23:14:16 +01:00
committed by Marge Bot
parent 0db4263a3a
commit 178b33c870
1 changed files with 4 additions and 2 deletions
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src/amd/compiler/aco_optimizer.cpp
+4 -2
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@@ -2524,7 +2524,8 @@ void apply_sgprs(opt_ctx &ctx, aco_ptr<Instruction>& instr)
/* Applying two sgprs require making it VOP3, so don't do it unless it's
* definitively beneficial.
* TODO: this is too conservative because later the use count could be reduced to 1 */
if (num_sgprs && ctx.uses[sgpr_info_id] > 1 && !instr->isVOP3() && !instr->isSDWA())
if (num_sgprs && ctx.uses[sgpr_info_id] > 1 &&
!instr->isVOP3() && !instr->isSDWA() && instr->format != Format::VOP3P)
break;
Temp sgpr = ctx.info[sgpr_info_id].temp;
@@ -2532,7 +2533,8 @@ void apply_sgprs(opt_ctx &ctx, aco_ptr<Instruction>& instr)
if (new_sgpr && num_sgprs >= max_sgprs)
continue;
if (sgpr_idx == 0 || instr->isVOP3() || instr->isSDWA()) {
if (sgpr_idx == 0 || instr->isVOP3() ||
instr->isSDWA() || instr->format == Format::VOP3P) {
instr->operands[sgpr_idx] = Operand(sgpr);
} else if (can_swap_operands(instr)) {
instr->operands[sgpr_idx] = instr->operands[0];