diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2017-01-19 14:36:17 +0100 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2017-02-21 21:27:23 +0100 |
| commit | 52581606c2e9a5c8f755b9f3fd0d4fd57869ed7d (patch) | |
| tree | 22bd662e70d8f19bd7eb0a2f39eb7caaf5b3a2da | |
| parent | fd3e73f54e323d5de182bf6cdb6094c2fd7362b3 (diff) | |
radeonsi: set no-signed-zeros-fp-math
Recommended by Matt Arsenault.
46757 shaders in 28742 tests
Totals:
SGPRS: 2068851 -> 2066907 (-0.09 %)
VGPRS: 1604056 -> 1602676 (-0.09 %)
Spilled SGPRs: 1402 -> 1382 (-1.43 %)
Spilled VGPRs: 113 -> 113 (0.00 %)
Private memory VGPRs: 1332 -> 1332 (0.00 %)
Scratch size: 3224 -> 3188 (-1.12 %) dwords per thread
Code Size: 58815520 -> 58716788 (-0.17 %) bytes
LDS: 1162 -> 1162 (0.00 %) blocks
Max Waves: 354616 -> 354905 (0.08 %)
Wait states: 0 -> 0 (0.00 %)
Totals from affected shaders:
SGPRS: 786452 -> 784508 (-0.25 %)
VGPRS: 530000 -> 528620 (-0.26 %)
Spilled SGPRs: 958 -> 938 (-2.09 %)
Spilled VGPRs: 85 -> 85 (0.00 %)
Private memory VGPRs: 636 -> 636 (0.00 %)
Scratch size: 1880 -> 1844 (-1.91 %) dwords per thread
Code Size: 26349936 -> 26251204 (-0.37 %) bytes
LDS: 304 -> 304 (0.00 %) blocks
Max Waves: 108962 -> 109251 (0.27 %)
Wait states: 0 -> 0 (0.00 %)
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 4 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 8fe25294db..f9eaea2d42 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -5251,6 +5251,10 @@ static void si_create_function(struct si_shader_context *ctx, lp_add_function_attr(ctx->main_fn, i + 1, LP_FUNC_ATTR_INREG); } + LLVMAddTargetDependentFunctionAttr(ctx->main_fn, + "no-signed-zeros-fp-math", + "true"); + if (ctx->screen->b.debug_flags & DBG_UNSAFE_MATH) { /* These were copied from some LLVM test. */ LLVMAddTargetDependentFunctionAttr(ctx->main_fn, diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c index 69eaf0c636..4601ca9ec9 100644 --- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c +++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c @@ -1269,7 +1269,7 @@ void si_llvm_context_init(struct si_shader_context *ctx, bool unsafe_fpmath = (sscreen->b.debug_flags & DBG_UNSAFE_MATH) != 0; enum lp_float_mode float_mode = unsafe_fpmath ? LP_FLOAT_MODE_UNSAFE_FP_MATH : - LP_FLOAT_MODE_DEFAULT; + LP_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH; ctx->gallivm.builder = lp_create_builder(ctx->gallivm.context, float_mode); |