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authorKeith Whitwell <[email protected]>2008-05-22 13:48:07 +0100
committerKeith Whitwell <[email protected]>2008-05-23 09:16:58 +0100
commit6780a6dede31e7f2eb465e1d7b507b3e64fe6ec9 (patch)
tree887e004c9587d403e8e9aecfd56c51eb9bec61a3 /src/gallium/auxiliary/draw
parent7b25c1a4032960752d8a8e950bdf75740b2de2e8 (diff)
draw: shortcircuit shuffle in aos_sse when possible
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_aos.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c
index d60940bb7a1..b8fad231ca1 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos.c
@@ -809,7 +809,9 @@ static boolean emit_DP3( struct aos_compilation *cp, const struct tgsi_full_inst
sse_addss(cp->func, dst, tmp); /* a*x+c*z, b*y, ?, ? */
emit_pshufd(cp, tmp, dst, SHUF(Y,X,W,Z));
sse_addss(cp->func, dst, tmp);
- sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ if (op->FullDstRegisters[0].DstRegister.WriteMask != 0x1)
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
aos_release_xmm_reg(cp, tmp.idx);
store_dest(cp, &op->FullDstRegisters[0], dst);
@@ -833,7 +835,9 @@ static boolean emit_DP4( struct aos_compilation *cp, const struct tgsi_full_inst
sse_addps(cp->func, dst, tmp); /* a*x+c*z, b*y+d*w, a*x+c*z, b*y+d*w */
emit_pshufd(cp, tmp, dst, SHUF(Y,X,W,Z));
sse_addss(cp->func, dst, tmp);
- sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ if (op->FullDstRegisters[0].DstRegister.WriteMask != 0x1)
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
aos_release_xmm_reg(cp, tmp.idx);
store_dest(cp, &op->FullDstRegisters[0], dst);
@@ -857,7 +861,9 @@ static boolean emit_DPH( struct aos_compilation *cp, const struct tgsi_full_inst
sse_addss(cp->func, dst, tmp);
emit_pshufd(cp, tmp, arg1, SHUF(W,W,W,W));
sse_addss(cp->func, dst, tmp);
- sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+
+ if (op->FullDstRegisters[0].DstRegister.WriteMask != 0x1)
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
aos_release_xmm_reg(cp, tmp.idx);
store_dest(cp, &op->FullDstRegisters[0], dst);
@@ -1233,7 +1239,8 @@ static boolean emit_RCP( struct aos_compilation *cp, const struct tgsi_full_inst
sse_divss(cp->func, dst, arg0);
}
- sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+ if (op->FullDstRegisters[0].DstRegister.WriteMask != 0x1)
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
store_dest(cp, &op->FullDstRegisters[0], dst);
return TRUE;
@@ -1249,7 +1256,8 @@ static boolean emit_RSQ( struct aos_compilation *cp, const struct tgsi_full_inst
/* Extend precision here...
*/
- sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
+ if (op->FullDstRegisters[0].DstRegister.WriteMask != 0x1)
+ sse_shufps(cp->func, dst, dst, SHUF(X, X, X, X));
store_dest(cp, &op->FullDstRegisters[0], dst);
return TRUE;