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-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index ed6fdffd265..21c8bd331b5 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -558,6 +558,11 @@ brw_initialize_context_constants(struct brw_context *brw)
static const nir_shader_compiler_options gen6_nir_options = {
.native_integers = true,
+ /* In order to help allow for better CSE at the NIR level we tell NIR
+ * to split all ffma instructions during opt_algebraic and we then
+ * re-combine them as a later step.
+ */
+ .lower_ffma = true,
};
/* We want the GLSL compiler to emit code that uses condition codes */