From: Vadim Girlin <vadimgirlin@gmail.com>
Date: Wed, 6 Jul 2011 01:29:09 +0000 (+0400)
Subject: r600g: RSQ: clear NEG for operand
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b693787fdf82d065c548e80944aad14e9ba64def;p=mesa.git

r600g: RSQ: clear NEG for operand

Need to clear NEG bit because it applies after ABS, e.g. "RSQ ..., -1"
uses -|1| as operand.

Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
---

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index f3cbf9807fd..5aad3e359bc 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1506,6 +1506,7 @@ static int tgsi_rsq(struct r600_shader_ctx *ctx)
 	for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
 		r600_bc_src(&alu.src[i], &ctx->src[i], 0);
 		alu.src[i].abs = 1;
+		alu.src[i].neg = 0;
 	}
 	alu.dst.sel = ctx->temp_reg;
 	alu.dst.write = 1;