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aco: create v_fmamk_f32/v_fmaak_f32 from nir_op_ffma 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9805>
This commit is contained in:
Rhys Perry 2020-06-16 18:04:21 +01:00 committed by Marge Bot
parent a487747ebd
commit 2665320c78
1 changed files with 7 additions and 0 deletions
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7
src/amd/compiler/aco_optimizer.cpp
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@ -3559,6 +3559,13 @@ combine_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
}
} else if (instr->opcode == aco_opcode::v_and_b32) {
combine_and_subbrev(ctx, instr);
} else if (instr->opcode == aco_opcode::v_fma_f32 || instr->opcode == aco_opcode::v_fma_f16) {
/* set existing v_fma_f32 with label_mad so we can create v_fmamk_f32/v_fmaak_f32.
* since ctx.uses[mad_info::mul_temp_id] is always 0, we don't have to worry about
* select_instruction() using mad_info::add_instr.
*/
ctx.mad_infos.emplace_back(nullptr, 0);
ctx.info[instr->definitions[0].tempId()].set_mad(instr.get(), ctx.mad_infos.size() - 1);
} else {
aco_opcode min, max, min3, max3, med3;
bool some_gfx9_only;