Mesa (master): mesa: Simplify a bit of _mesa_add_state_reference using memcmp.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: e310c22bb738e024faadca8dba16fa53e7215a3e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e310c22bb738e024faadca8dba16fa53e7215a3e

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Oct  7 22:24:38 2010 -0700

mesa: Simplify a bit of _mesa_add_state_reference using memcmp.

---

 src/mesa/program/prog_parameter.c |   15 +++------------
 1 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c
index 6bf8a08..3570cab 100644
--- a/src/mesa/program/prog_parameter.c
+++ b/src/mesa/program/prog_parameter.c
@@ -378,18 +378,9 @@ _mesa_add_state_reference(struct gl_program_parameter_list *paramList,
 
    /* Check if the state reference is already in the list */
    for (index = 0; index < (GLint) paramList->NumParameters; index++) {
-      GLuint i, match = 0;
-      for (i = 0; i < STATE_LENGTH; i++) {
-         if (paramList->Parameters[index].StateIndexes[i] == stateTokens[i]) {
-            match++;
-         }
-         else {
-            break;
-         }
-      }
-      if (match == STATE_LENGTH) {
-         /* this state reference is already in the parameter list */
-         return index;
+      if (!memcmp(paramList->Parameters[index].StateIndexes,
+		  stateTokens, STATE_LENGTH * sizeof(gl_state_index))) {
+	 return index;
       }
    }