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llvmpipe: port over to ffma_weak

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Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41165>
This commit is contained in:
Karol Herbst 2026-04-23 16:11:25 +02:00 • committed by Marge Bot
parent 2a6633a8ba
commit eb4c6ad4db
2 changed files with 4 additions and 0 deletions
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1
src/gallium/auxiliary/gallivm/lp_bld_nir_soa.c
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@ -3337,6 +3337,7 @@ do_alu_action(struct lp_build_nir_soa_context *bld,
case nir_op_ffloor:
result = lp_build_floor(float_bld, src[0]);
break;
case nir_op_ffma_weak:
case nir_op_ffma_old:
result = lp_build_fmuladd(builder, src[0], src[1], src[2]);
break;

3
src/gallium/drivers/llvmpipe/lp_screen.c
View file

@ -491,6 +491,9 @@ static const struct nir_shader_compiler_options gallivm_nir_options = {
.lower_ffma16 = true,
.lower_ffma32 = true,
.lower_ffma64 = true,
.float_mul_add16 = nir_float_muladd_support_keep_weak_ffma,
.float_mul_add32 = nir_float_muladd_support_keep_weak_ffma,
.float_mul_add64 = nir_float_muladd_support_keep_weak_ffma,
.lower_flrp16 = true,
.lower_fmod = true,
.lower_hadd = true,