Mesa (mesa_7_7_branch): mesa: remove unnecessary loop in _mesa_remove_output_reads()

Brian Paul brianp at kemper.freedesktop.org
Fri Dec 11 08:53:13 PST 2009


Module: Mesa
Branch: mesa_7_7_branch
Commit: d8f8eca9efaf2f537cf9218e4dd1d742e19ffc76
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d8f8eca9efaf2f537cf9218e4dd1d742e19ffc76

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Dec 11 09:40:33 2009 -0700

mesa: remove unnecessary loop in _mesa_remove_output_reads()

---

 src/mesa/shader/programopt.c |   14 +++++---------
 1 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index f70c75c..c5b821d 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -528,15 +528,11 @@ _mesa_remove_output_reads(struct gl_program *prog, gl_register_file type)
    /* look for instructions which write to the varying vars identified above */
    for (i = 0; i < prog->NumInstructions; i++) {
       struct prog_instruction *inst = prog->Instructions + i;
-      const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode);
-      GLuint j;
-      for (j = 0; j < numSrc; j++) {
-         if (inst->DstReg.File == type &&
-             outputMap[inst->DstReg.Index] >= 0) {
-            /* change inst to write to the temp reg, instead of the varying */
-            inst->DstReg.File = PROGRAM_TEMPORARY;
-            inst->DstReg.Index = outputMap[inst->DstReg.Index];
-         }
+      if (inst->DstReg.File == type &&
+          outputMap[inst->DstReg.Index] >= 0) {
+         /* change inst to write to the temp reg, instead of the varying */
+         inst->DstReg.File = PROGRAM_TEMPORARY;
+         inst->DstReg.Index = outputMap[inst->DstReg.Index];
       }
    }
 



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