From: Oliver McFadden <z3ro.geek@gmail.com>
Date: Thu, 28 Feb 2008 10:09:02 +0000 (+0000)
Subject: r300: Use the VE_ADD hardware opcode for the SUB opcode.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2a8b6c62a7a2c807dc1b4a515da62fc8918101c1;p=mesa.git

r300: Use the VE_ADD hardware opcode for the SUB opcode.
---

diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c
index 9c733597aff..bbe42afa256 100644
--- a/src/mesa/drivers/dri/r300/r300_vertprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertprog.c
@@ -817,24 +817,7 @@ static GLuint *t_opcode_sub(struct r300_vertex_program *vp,
 			    struct prog_src_register src[3])
 {
 	//ADD RESULT 1.X Y Z W TMP 0{} {X Y Z W} PARAM 1{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W
-#if 1
-	inst[0] =
-	    PVS_VECTOR_OPCODE(VE_MULTIPLY_ADD, t_dst_index(vp, &vpi->DstReg),
-			t_dst_mask(vpi->DstReg.WriteMask),
-			t_dst_class(vpi->DstReg.File));
-	inst[1] = t_src(vp, &src[0]);
-	inst[2] = ONE_SRC_0;
-	inst[3] =
-	    PVS_SOURCE_OPCODE(t_src_index(vp, &src[1]),
-			    t_swizzle(GET_SWZ(src[1].Swizzle, 0)),
-			    t_swizzle(GET_SWZ(src[1].Swizzle, 1)),
-			    t_swizzle(GET_SWZ(src[1].Swizzle, 2)),
-			    t_swizzle(GET_SWZ(src[1].Swizzle, 3)),
-			    t_src_class(src[1].File),
-			    (!src[1].
-			     NegateBase) ? VSF_FLAG_ALL : VSF_FLAG_NONE) |
-	    (src[1].RelAddr << 4);
-#else
+
 	inst[0] =
 	    PVS_VECTOR_OPCODE(VE_ADD, t_dst_index(vp, &vpi->DstReg),
 			t_dst_mask(vpi->DstReg.WriteMask),
@@ -851,7 +834,6 @@ static GLuint *t_opcode_sub(struct r300_vertex_program *vp,
 			     NegateBase) ? VSF_FLAG_ALL : VSF_FLAG_NONE) |
 	    (src[1].RelAddr << 4);
 	inst[3] = 0;
-#endif
 
 	return inst;
 }