From: Eric Anholt <eric@anholt.net>
Date: Wed, 19 Aug 2015 03:18:51 +0000 (-0700)
Subject: vc4: Drop an unused algebraic op.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fd74da11c48dcd9098d4f64508aae65775c68b75;p=mesa.git

vc4: Drop an unused algebraic op.

NIR now handles this optimization for us.
---

diff --git a/src/gallium/drivers/vc4/vc4_opt_algebraic.c b/src/gallium/drivers/vc4/vc4_opt_algebraic.c
index 22304e11930..e8c93dedfd2 100644
--- a/src/gallium/drivers/vc4/vc4_opt_algebraic.c
+++ b/src/gallium/drivers/vc4/vc4_opt_algebraic.c
@@ -143,15 +143,6 @@ qir_opt_algebraic(struct vc4_compile *c)
                 case QOP_SEL_X_Y_ZC:
                 case QOP_SEL_X_Y_NS:
                 case QOP_SEL_X_Y_NC:
-                        if (qir_reg_equals(inst->src[0], inst->src[1])) {
-                                /* Turn "dst = (sf == x) ? a : a)" into
-                                 * "dst = a"
-                                 */
-                                replace_with_mov(c, inst, inst->src[1]);
-                                progress = true;
-                                break;
-                        }
-
                         if (is_zero(c, inst->src[1])) {
                                 /* Replace references to a 0 uniform value
                                  * with the SEL_X_0 equivalent.