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aco: don't create v_mad_f32 on GFX10.3 

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/5546>
This commit is contained in:
Rhys Perry 2020-06-16 17:43:01 +01:00
parent 5718f7c8a7
commit 4f1242a4d8
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_optimizer.cpp
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@ -2614,7 +2614,7 @@ void combine_instruction(opt_ctx &ctx, Block& block, aco_ptr<Instruction>& instr
instr->opcode == aco_opcode::v_sub_f16 ||
instr->opcode == aco_opcode::v_subrev_f16;
if (mad16 || mad32) {
bool need_fma = mad32 ? block.fp_mode.denorm32 != 0 :
bool need_fma = mad32 ? (block.fp_mode.denorm32 != 0 || ctx.program->chip_class >= GFX10_3) :
(block.fp_mode.denorm16_64 != 0 || ctx.program->chip_class >= GFX10);
if (need_fma && instr->definitions[0].isPrecise())
return;