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aco: use s_bitreplicate_b64_b32 to set exec to 0xffff0000ffff0000

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Foz-DB Navi21:
Totals from 29 (0.02% of 132657) affected shaders:
Instrs: 19342 -> 19301 (-0.21%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24561>
This commit is contained in:
Georg Lehmann
2023-08-08 18:48:59 +02:00
committed by Marge Bot
parent f71d43ecfb
commit 7a3e5dd2ec
1 changed files with 4 additions and 3 deletions
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src/amd/compiler/aco_lower_to_hw_instr.cpp
+4 -3
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@@ -869,10 +869,11 @@ emit_reduction(lower_context* ctx, aco_opcode op, ReduceOp reduce_op, unsigned c
emit_dpp_op(ctx, tmp, tmp, tmp, vtmp, reduce_op, src.size(), dpp_row_sr(8), 0xf, 0xf, false,
identity);
if (ctx->program->gfx_level >= GFX10) {
bld.sop2(aco_opcode::s_bfm_b32, Definition(exec_lo, s1), Operand::c32(16u),
Operand::c32(16u));
if (ctx->program->wave_size == 64) {
bld.sop2(aco_opcode::s_bfm_b32, Definition(exec_hi, s1), Operand::c32(16u),
bld.sop1(aco_opcode::s_bitreplicate_b64_b32, Definition(exec, s2),
Operand::c32(0xff00ff00u));
} else {
bld.sop2(aco_opcode::s_bfm_b32, Definition(exec_lo, s1), Operand::c32(16u),
Operand::c32(16u));
}
for (unsigned i = 0; i < src.size(); i++) {