From: Rhys Perry <pendingchaos02@gmail.com>
Date: Tue, 16 Jun 2020 16:43:01 +0000 (+0100)
Subject: aco: don't create v_mad_f32 on GFX10.3
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4f1242a4d8c6e0be22565a03a8d5b8ea19c3382d;p=mesa.git

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>
---

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index c1f0bc20f9e..d060f378fe2 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -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;