From a5c6c8a31b240729baa12e2eca0ef53199efeed2 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 27 Sep 2010 15:10:34 -0700
Subject: [PATCH] i965: Remove swizzling of assignment to vector-splitting
 single-channel LHS.

We'd end up reading some non-x component of the float RHS.  +53 piglits.
---
 src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
index 9b58916cf2b..83b4af05bcb 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
@@ -319,8 +319,6 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir)
       ir->write_mask = (1 << 0);
 
       handle_rvalue(&ir->rhs);
-      ir->rhs = new(mem_ctx) ir_swizzle(ir->rhs,
-					elem, elem, elem, elem, 1);
    } else {
       handle_rvalue(&ir->rhs);
    }
-- 
2.30.2