Mesa (master): i965/fs: Use source's original type in register_coalesce().
Matt Turner
mattst88 at kemper.freedesktop.org
Wed Nov 20 23:05:29 UTC 2013
Module: Mesa
Branch: master
Commit: 9793fc1335f11b4131d6db680bec567dcfccfb5f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9793fc1335f11b4131d6db680bec567dcfccfb5f
Author: Matt Turner <mattst88 at gmail.com>
Date: Fri Nov 15 11:09:47 2013 -0800
i965/fs: Use source's original type in register_coalesce().
Previously, register_coalesce() would modify
mov vgrf1:f vgrf2:f
cmp null vgrf3:d vgrf1:d
to be
cmp null vgrf3:d vgrf2:f
and incorrectly use vgrf2's type in the instruction that the mov was
coalesced into.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 8b3f8df..5b20b1c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2429,6 +2429,7 @@ fs_visitor::register_coalesce()
scan_inst->src[i].reg == inst->dst.reg &&
scan_inst->src[i].reg_offset == inst->dst.reg_offset) {
fs_reg new_src = inst->src[0];
+ new_src.type = scan_inst->src[i].type;
if (scan_inst->src[i].abs) {
new_src.negate = 0;
new_src.abs = 1;
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