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bitfrost: support nir_op_ffma

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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 2026-04-24 15:53:03 +02:00 • committed by Marge Bot
parent d823512442
commit 536ff644fa
2 changed files with 7 additions and 0 deletions
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1
src/panfrost/compiler/bifrost/bifrost_compile.c
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@ -2975,6 +2975,7 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
srcs > 2 ? bi_alu_src_index(b, instr->src[2], comps) : bi_null();
switch (instr->op) {
case nir_op_ffma:
case nir_op_ffma_old:
bi_fma_to(b, sz, dst, s0, s1, s2);
break;

6
src/panfrost/compiler/bifrost/bifrost_compile.h
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@ -128,6 +128,12 @@ bool valhall_can_merge_workgroups(nir_shader *nir);
.fuse_ffma16 = true, \
.fuse_ffma32 = true, \
.fuse_ffma64 = true, \
.float_mul_add16 = nir_float_muladd_support_has_ffma | \
nir_float_muladd_support_fuse, \
.float_mul_add32 = nir_float_muladd_support_has_ffma | \
nir_float_muladd_support_fuse, \
.float_mul_add64 = nir_float_muladd_support_has_ffma | \
nir_float_muladd_support_fuse, \
\
.lower_uniforms_to_ubo = true, \
\