From: Francisco Jerez <currojerez@riseup.net>
Date: Tue, 3 Feb 2015 18:34:17 +0000 (+0200)
Subject: i965/vec4: Don't attempt to reduce swizzles of send from GRF instructions.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=63d6d09a3b3790c5ec00f2cbc06f58c82ae40b0c;p=mesa.git

i965/vec4: Don't attempt to reduce swizzles of send from GRF instructions.

Reviewed-by: Matt Turner <mattst88@gmail.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 58828c3f320..0a68413bfba 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -455,7 +455,8 @@ vec4_visitor::opt_reduce_swizzle()
    bool progress = false;
 
    foreach_block_and_inst_safe(block, vec4_instruction, inst, cfg) {
-      if (inst->dst.file == BAD_FILE || inst->dst.file == HW_REG)
+      if (inst->dst.file == BAD_FILE || inst->dst.file == HW_REG ||
+          inst->is_send_from_grf())
          continue;
 
       int swizzle[4];