From: Chia-I Wu <olv@lunarg.com>
Date: Fri, 27 Sep 2013 04:31:32 +0000 (+0800)
Subject: i965: keep SecHalf flag after register coalescing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a26e17a36503c5387447cd560c81dbea6f2d89f9;p=mesa.git

i965: keep SecHalf flag after register coalescing

Copy sechalf to the new register, otherwise we would read wrong HW registers.

Signed-off-by: Chia-I Wu <olv@lunarg.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 48ee1499d7d..02383363d43 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2233,6 +2233,7 @@ fs_visitor::register_coalesce()
                   new_src.abs = 1;
                }
 	       new_src.negate ^= scan_inst->src[i].negate;
+	       new_src.sechalf = scan_inst->src[i].sechalf;
 	       scan_inst->src[i] = new_src;
 	    }
 	 }