Mesa (master): i965/fs: Remove left-over 'removed' variable.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 5c770ba919723bb1c5d168717e814cca4a68e877
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5c770ba919723bb1c5d168717e814cca4a68e877

Author: Matt Turner <mattst88 at gmail.com>
Date:   Thu Mar 27 11:35:49 2014 -0700

i965/fs: Remove left-over 'removed' variable.

I think this was used for coalescing out partly dead large virtual
registers, but the patch that enabled that caused regressions and didn't
make it upstream.

Reviewed-by: Eric Anholt <eric at anholt.net>

---

 .../drivers/dri/i965/brw_fs_register_coalesce.cpp  |   21 ++++++++------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
index c71fd47..6e30d16 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
@@ -169,11 +169,8 @@ fs_visitor::register_coalesce()
       if (!can_coalesce)
          continue;
 
-      bool removed = false;
       for (int i = 0; i < src_size; i++) {
          if (mov[i]) {
-            removed = true;
-
             mov[i]->opcode = BRW_OPCODE_NOP;
             mov[i]->conditional_mod = BRW_CONDITIONAL_NONE;
             mov[i]->dst = reg_undef;
@@ -206,17 +203,15 @@ fs_visitor::register_coalesce()
          }
       }
 
-      if (removed) {
-         for (int i = 0; i < src_size; i++) {
-            live_intervals->start[var_to[i]] =
-               MIN2(live_intervals->start[var_to[i]],
-                    live_intervals->start[var_from[i]]);
-            live_intervals->end[var_to[i]] =
-               MAX2(live_intervals->end[var_to[i]],
-                    live_intervals->end[var_from[i]]);
-            reg_from = -1;
-         }
+      for (int i = 0; i < src_size; i++) {
+         live_intervals->start[var_to[i]] =
+            MIN2(live_intervals->start[var_to[i]],
+                 live_intervals->start[var_from[i]]);
+         live_intervals->end[var_to[i]] =
+            MAX2(live_intervals->end[var_to[i]],
+                 live_intervals->end[var_from[i]]);
       }
+      reg_from = -1;
    }
 
    foreach_list_safe(node, &this->instructions) {