diff options
| author | Rhys Perry <[email protected]> | 2019-10-03 17:15:34 +0100 |
|---|---|---|
| committer | Rhys Perry <[email protected]> | 2019-10-21 19:18:30 +0000 |
| commit | 73184e51d1cbb9f22b02e8c9f46e9dec116c63dc (patch) | |
| tree | fe61e2324bec91270b048ab844746a20ab2424d8 | |
| parent | 132ae89b1908dc1ba8483e72ded9380764d8435c (diff) | |
aco: run opt_algebraic in a loop
Totals from affected shaders:
SGPRS: 13920 -> 13656 (-1.90 %)
VGPRS: 12972 -> 12960 (-0.09 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 1005680 -> 1000648 (-0.50 %) bytes
LDS: 91 -> 91 (0.00 %) blocks
Max Waves: 688 -> 688 (0.00 %)
Signed-off-by: Rhys Perry <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Daniel Schürmann <[email protected]>
| -rw-r--r-- | src/amd/compiler/aco_instruction_selection_setup.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/amd/compiler/aco_instruction_selection_setup.cpp b/src/amd/compiler/aco_instruction_selection_setup.cpp index 9727020a8a9..b100ace3c8c 100644 --- a/src/amd/compiler/aco_instruction_selection_setup.cpp +++ b/src/amd/compiler/aco_instruction_selection_setup.cpp @@ -1331,9 +1331,14 @@ setup_isel_context(Program* program, nir_lower_idiv(nir, nir_lower_idiv_precise); /* optimize the lowered ALU operations */ - nir_copy_prop(nir); - nir_opt_constant_folding(nir); - nir_opt_algebraic(nir); + bool more_algebraic = true; + while (more_algebraic) { + more_algebraic = false; + NIR_PASS_V(nir, nir_copy_prop); + NIR_PASS_V(nir, nir_opt_dce); + NIR_PASS_V(nir, nir_opt_constant_folding); + NIR_PASS(more_algebraic, nir, nir_opt_algebraic); + } /* Do late algebraic optimization to turn add(a, neg(b)) back into * subs, then the mandatory cleanup after algebraic. Note that it may |