[Mesa-dev] [PATCH 03/11] nir/alu_to_scalar: Respect the exact ALU operation qualifier

[Jason Ekstrand]

Just setting builder->exact isn't sufficient because that only applies to
instructions that are built with the builder but instructions created
manually and only inserted using the builder are left alone.

Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
Cc: "12.0" <mesa-stable at lists.freedesktop.org>
Cc: Kenneth Graunke <kenneth at whitecape.org>
---
 src/compiler/nir/nir_lower_alu_to_scalar.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/nir/nir_lower_alu_to_scalar.c b/src/compiler/nir/nir_lower_alu_to_scalar.c
index b491791..4f72cf7 100644
--- a/src/compiler/nir/nir_lower_alu_to_scalar.c
+++ b/src/compiler/nir/nir_lower_alu_to_scalar.c
@@ -56,6 +56,7 @@ lower_reduction(nir_alu_instr *instr, nir_op chan_op, nir_op merge_op,
          nir_alu_src_copy(&chan->src[1], &instr->src[1], chan);
          chan->src[1].swizzle[0] = chan->src[1].swizzle[i];
       }
+      chan->exact = instr->exact;
 
       nir_builder_instr_insert(builder, &chan->instr);
 
@@ -229,6 +230,7 @@ lower_alu_instr_scalar(nir_alu_instr *instr, nir_builder *b)
       nir_alu_ssa_dest_init(lower, 1, instr->dest.dest.ssa.bit_size);
       lower->dest.saturate = instr->dest.saturate;
       comps[chan] = &lower->dest.dest.ssa;
+      lower->exact = instr->exact;
 
       nir_builder_instr_insert(b, &lower->instr);
    }
-- 
2.5.0.400.gff86faf