Mesa (master): i965/fs: Fix a comment in copy propagation.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 9864a5b098d2a8087c8966f3e654969be51b660d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9864a5b098d2a8087c8966f3e654969be51b660d

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Oct 30 15:02:23 2012 -0700

i965/fs: Fix a comment in copy propagation.

We haven't been only tracking raw GRF-GRF moves since the constant propagation
merge, and also the extension for source modifiers and uniforms.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 .../drivers/dri/i965/brw_fs_copy_propagation.cpp   |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 73fe1a5..cc488a1 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -245,7 +245,9 @@ fs_visitor::opt_copy_propagate_local(void *mem_ctx, bblock_t *block)
 	 }
       }
 
-      /* If this instruction is a raw copy, add it to the ACP. */
+      /* If this instruction's source could potentially be folded into the
+       * operand of another instruction, add it to the ACP.
+       */
       if (inst->opcode == BRW_OPCODE_MOV &&
 	  inst->dst.file == GRF &&
 	  ((inst->src[0].file == GRF &&