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aco: improve jump threading with wave32

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Totals from affected shaders:
SGPRS: 748746 -> 748746 (0.00 %)
VGPRS: 636984 -> 636984 (0.00 %)
Spilled SGPRs: 387 -> 387 (0.00 %)
Spilled VGPRs: 15 -> 15 (0.00 %)
Code Size: 61138824 -> 60928620 (-0.34 %) bytes
Max Waves: 48602 -> 48602 (0.00 %)
Instructions: 11967660 -> 11915084 (-0.44 %)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Rhys Perry
2019-12-03 14:10:45 +00:00
committed by Timur Kristóf
parent 6ff92f3d68
commit 01ccd7839c
1 changed files with 2 additions and 1 deletions
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3
src/amd/compiler/aco_ssa_elimination.cpp
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@@ -153,7 +153,8 @@ void try_remove_invert_block(ssa_elimination_ctx& ctx, Block* block)
for (aco_ptr<Instruction>& instr : block->instructions) {
if (instr->opcode != aco_opcode::p_linear_phi &&
instr->opcode != aco_opcode::p_phi &&
instr->opcode != aco_opcode::s_andn2_b64 &&
(instr->opcode != aco_opcode::s_andn2_b64 || ctx.program->wave_size != 64) &&
(instr->opcode != aco_opcode::s_andn2_b32 || ctx.program->wave_size != 32) &&
instr->opcode != aco_opcode::p_branch)
return;
}