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aco/ra: collect register affinities for all precolored operands.

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Totals from 1280 (1.60% of 79839) affected shaders: (Navi48)

Instrs: 817363 -> 812639 (-0.58%); split: -0.58%, +0.00%
CodeSize: 4262644 -> 4243540 (-0.45%); split: -0.45%, +0.00%
VGPRs: 61692 -> 61668 (-0.04%)
Latency: 4354318 -> 4347818 (-0.15%); split: -0.15%, +0.00%
InvThroughput: 711914 -> 707698 (-0.59%); split: -0.59%, +0.00%
VClause: 14685 -> 14677 (-0.05%); split: -0.09%, +0.03%
SClause: 25623 -> 25621 (-0.01%)
Copies: 50663 -> 46242 (-8.73%); split: -8.73%, +0.00%
VALU: 427744 -> 423323 (-1.03%); split: -1.03%, +0.00%
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36345>
This commit is contained in:
Daniel Schürmann
2025-07-24 11:59:32 +02:00
committed by Marge Bot
parent e32eec52f0
commit 93606a19c6
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/compiler/aco_register_allocation.cpp
+6 -2
View File
@@ -3091,8 +3091,6 @@ get_affinities(ra_ctx& ctx)
if (!instr->definitions[1].isKill() && instr->operands[0].isTemp() &&
instr->operands[1].isFixed() && instr->operands[1].physReg() == exec)
ctx.assignments[instr->operands[0].tempId()].set_precolor_affinity(vcc);
} else if (instr->opcode == aco_opcode::s_sendmsg) {
ctx.assignments[instr->operands[0].tempId()].set_precolor_affinity(m0);
} else if (instr->format == Format::DS) {
bool is_vector = false;
for (unsigned i = 0, vector_begin = 0; i < instr->operands.size(); i++) {
@@ -3103,6 +3101,12 @@ get_affinities(ra_ctx& ctx)
}
}
/* Collect register-affinities for precolored operands. */
for (Operand op : instr->operands) {
if (op.isTemp() && op.isPrecolored())
ctx.assignments[op.tempId()].set_precolor_affinity(op.physReg());
}
auto tied_defs = get_tied_defs(instr.get());
for (unsigned i = 0; i < instr->definitions.size(); i++) {
const Definition& def = instr->definitions[i];