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aco: combine DPP into v_cvt_f16_f32

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The label_f2f16 was interfering with the label_dpp.

fossil-db (navi31):
Totals from 36 (0.05% of 79395) affected shaders:
Instrs: 70998 -> 70875 (-0.17%); split: -0.18%, +0.00%
CodeSize: 373184 -> 372244 (-0.25%)
Latency: 1266807 -> 1266752 (-0.00%); split: -0.01%, +0.01%
InvThroughput: 131618 -> 131566 (-0.04%); split: -0.04%, +0.00%
SClause: 1947 -> 1944 (-0.15%)
Copies: 5194 -> 5208 (+0.27%)
VALU: 41019 -> 40921 (-0.24%); split: -0.24%, +0.00%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30425>
This commit is contained in:
Rhys Perry
2024-07-30 14:54:59 +01:00
committed by Marge Bot
parent 39f045aaa6
commit c818de7360
1 changed files with 5 additions and 2 deletions
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7
src/amd/compiler/aco_optimizer.cpp
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@@ -2045,8 +2045,11 @@ label_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
break;
}
case aco_opcode::v_cvt_f16_f32: {
if (instr->operands[0].isTemp())
ctx.info[instr->operands[0].tempId()].set_f2f16(instr.get());
if (instr->operands[0].isTemp()) {
ssa_info& info = ctx.info[instr->operands[0].tempId()];
if (!info.is_dpp() || info.instr->pass_flags != instr->pass_flags)
info.set_f2f16(instr.get());
}
break;
}
case aco_opcode::v_cvt_f32_f16: {