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lima: support nir_op_fmad

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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 17:12:27 +02:00 • committed by Marge Bot
parent 85c2023ee4
commit 1a0a329598
3 changed files with 5 additions and 1 deletions
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2
src/gallium/drivers/lima/ir/lima_nir_duplicate.c
View file

@ -49,7 +49,7 @@ duplicate_def_at_use(nir_builder *b, nir_def *def, bool duplicate_for_ffma)
if (duplicate_for_ffma &&
last_parent_instr->type == nir_instr_type_alu &&
nir_instr_as_alu(last_parent_instr)->op == nir_op_ffma_old) {
nir_alu_instr_is_mul_add(nir_instr_as_alu(last_parent_instr))) {
last_parent_instr = NULL;
}
}

1
src/gallium/drivers/lima/ir/pp/nir.c
View file

@ -203,6 +203,7 @@ static int nir_to_ppir_opcodes[nir_num_opcodes] = {
[nir_op_ftrunc] = ppir_op_trunc,
[nir_op_fsat] = ppir_op_sat,
[nir_op_fclamp_pos] = ppir_op_clamp_pos,
[nir_op_fmad] = ppir_op_fmad,
[nir_op_ffma_old] = ppir_op_fmad,
};

3
src/gallium/drivers/lima/lima_program.c
View file

@ -71,6 +71,9 @@ static const nir_shader_compiler_options fs_nir_options = {
.fuse_ffma16 = true,
.fuse_ffma32 = true,
.fuse_ffma64 = true,
.float_mul_add16 = nir_float_muladd_support_has_fmad | nir_float_muladd_support_fuse,
.float_mul_add32 = nir_float_muladd_support_has_fmad | nir_float_muladd_support_fuse,
.float_mul_add64 = nir_float_muladd_support_has_fmad | nir_float_muladd_support_fuse,
.lower_fpow = true,
.lower_fdiv = true,
.lower_fmod = true,