Mesa (master): vc4: Drop an unused algebraic op.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: fd74da11c48dcd9098d4f64508aae65775c68b75
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fd74da11c48dcd9098d4f64508aae65775c68b75

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Aug 18 20:18:51 2015 -0700

vc4: Drop an unused algebraic op.

NIR now handles this optimization for us.

---

 src/gallium/drivers/vc4/vc4_opt_algebraic.c |    9 ---------
 1 file changed, 9 deletions(-)

diff --git a/src/gallium/drivers/vc4/vc4_opt_algebraic.c b/src/gallium/drivers/vc4/vc4_opt_algebraic.c
index 22304e1..e8c93de 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.