Mesa (master): Revert "r600g: Don't negate result of ABS instruction"

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 0a17444133e74de7bc5d04d8ffc8f29b89f0cf58
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0a17444133e74de7bc5d04d8ffc8f29b89f0cf58

Author: Dave Airlie <airlied at redhat.com>
Date:   Mon Feb 28 11:10:10 2011 +1000

Revert "r600g: Don't negate result of ABS instruction"

This reverts commit b6d40213935da702570eca2c0861bd4b1d7f5254.

This actually breaks gears here on my rv670.

---

 src/gallium/drivers/r600/r600_shader.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index e64d396..9fcb1d7 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1014,8 +1014,6 @@ static int tgsi_op2_s(struct r600_shader_ctx *ctx, int swap)
 			break;
 		case TGSI_OPCODE_ABS:
 			alu.src[0].abs = 1;
-			/* negation is performed after absolute value is taken */
-			alu.src[0].neg = 0;
 			break;
 		default:
 			break;