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aco: don't emit WQM for bool_to_scalar_condition

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This was only necessary to ensure that the source is computed in WQM
if the current exec mask is in WQM.

Totals from 23170 (17.17% of 134913) affected shaders: (GFX10.3)
VGPRs: 1384464 -> 1383400 (-0.08%); split: -0.08%, +0.01%
SpillSGPRs: 7575 -> 7574 (-0.01%)
CodeSize: 146444752 -> 146317104 (-0.09%); split: -0.13%, +0.04%
MaxWaves: 429870 -> 429868 (-0.00%)
Instrs: 27202586 -> 27170316 (-0.12%); split: -0.17%, +0.05%
Latency: 379488313 -> 379335412 (-0.04%); split: -0.07%, +0.03%
InvThroughput: 69500561 -> 69487704 (-0.02%); split: -0.03%, +0.01%
VClause: 473080 -> 473038 (-0.01%); split: -0.02%, +0.01%
SClause: 1080576 -> 1080571 (-0.00%); split: -0.06%, +0.06%
Copies: 1492865 -> 1504604 (+0.79%); split: -0.40%, +1.19%
Branches: 711295 -> 716849 (+0.78%); split: -0.01%, +0.79%
PreSGPRs: 1331362 -> 1328402 (-0.22%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14951>
This commit is contained in:
Daniel Schürmann 2022-02-06 13:37:37 +01:00 • committed by Marge Bot
parent f816dd1be7
commit a5a40beefa
1 changed files with 2 additions and 3 deletions
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5
src/amd/compiler/aco_instruction_selection.cpp
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@ -611,9 +611,8 @@ bool_to_scalar_condition(isel_context* ctx, Temp val, Temp dst = Temp(0, s1))
assert(dst.regClass() == s1);
/* if we're currently in WQM mode, ensure that the source is also computed in WQM */
Temp tmp = bld.tmp(s1);
bld.sop2(Builder::s_and, bld.def(bld.lm), bld.scc(Definition(tmp)), val, Operand(exec, bld.lm));
return emit_wqm(bld, tmp, dst);
bld.sop2(Builder::s_and, bld.def(bld.lm), bld.scc(Definition(dst)), val, Operand(exec, bld.lm));
return dst;
}
/**