Mesa (mesa_7_4_branch): mesa: fix transform_points_3d_no_rot using undefined values in %xmm0

[Brian Paul]

Module: Mesa
Branch: mesa_7_4_branch
Commit: f3c684a8d64b60b5bcf15920e691b2ba58b65330
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f3c684a8d64b60b5bcf15920e691b2ba58b65330

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Jun 30 08:57:17 2009 -0600

mesa: fix transform_points_3d_no_rot using undefined values in %xmm0

Signed-off-by: Arthur HUILLET <arthur.huillet at free.fr>

(cherry picked from commit 4c31632817a0bde28ad6c9ee8032d838ce4b7bfb)

---

 src/mesa/x86/sse_xform2.S |    1 +
 src/mesa/x86/sse_xform3.S |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/mesa/x86/sse_xform2.S b/src/mesa/x86/sse_xform2.S
index 91b82e7..b490d4c 100644
--- a/src/mesa/x86/sse_xform2.S
+++ b/src/mesa/x86/sse_xform2.S
@@ -186,6 +186,7 @@ GLNAME(_mesa_sse_transform_points2_3d_no_rot):
     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
     ADD_L( EDI, ECX ) 				/* count += dest ptr */
 
+    PXOR( XMM0, XMM0 )
 
 ALIGNTEXT32
     MOVSS    ( M(0), XMM1 )			/* - | - |  -  | m0  */
diff --git a/src/mesa/x86/sse_xform3.S b/src/mesa/x86/sse_xform3.S
index 1fc79ef..8a79eed 100644
--- a/src/mesa/x86/sse_xform3.S
+++ b/src/mesa/x86/sse_xform3.S
@@ -198,6 +198,7 @@ GLNAME(_mesa_sse_transform_points3_3d_no_rot):
     MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
     ADD_L( EDI, ECX ) 				/* count += dest ptr */
 
+    PXOR( XMM0, XMM0 )
 
 ALIGNTEXT32
     MOVSS    ( M(0), XMM1 )			/* - | - |  -  | m0  */