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draw: shortcircuit shuffle in aos_sse when possible

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This commit is contained in:
Keith Whitwell 2008-05-22 13:48:07 +01:00
parent 7b25c1a403
commit 6780a6dede
1 changed files with 13 additions and 5 deletions
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18
src/gallium/auxiliary/draw/draw_vs_aos.c
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@ -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;