From: Keith Whitwell Date: Thu, 2 Oct 2008 11:53:11 +0000 (+0100) Subject: draw: modify prefetching slightly X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=22eb067c8863cbd9078f136706effd5df3375dbb;p=mesa.git draw: modify prefetching slightly --- diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_io.c b/src/gallium/auxiliary/draw/draw_vs_aos_io.c index b0c51d7fa19..dd79bc799aa 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos_io.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos_io.c @@ -54,6 +54,7 @@ static void emit_load_R32G32B32( struct aos_compilation *cp, struct x86_reg data, struct x86_reg src_ptr ) { +#if 1 sse_movss(cp->func, data, x86_make_disp(src_ptr, 8)); /* data = z ? ? ? */ sse_shufps(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ), SHUF(X,Y,Z,W) ); @@ -62,6 +63,16 @@ static void emit_load_R32G32B32( struct aos_compilation *cp, /* data = ? 0 z 1 */ sse_movlps(cp->func, data, src_ptr); /* data = x y z 1 */ +#else + sse_movups(cp->func, data, src_ptr); + /* data = x y z ? */ + sse2_pshufd(cp->func, data, data, SHUF(W,X,Y,Z) ); + /* data = ? x y z */ + sse_movss(cp->func, data, aos_get_internal_xmm( cp, IMM_ONES ) ); + /* data = 1 x y z */ + sse2_pshufd(cp->func, data, data, SHUF(Y,Z,W,X) ); + /* data = x y z 1 */ +#endif } static void emit_load_R32G32( struct aos_compilation *cp, @@ -128,7 +139,7 @@ static boolean get_buffer_ptr( struct aos_compilation *cp, x86_mov(cp->func, ptr, buf_ptr); x86_mov(cp->func, elt, buf_stride); x86_add(cp->func, elt, ptr); - sse_prefetchnta(cp->func, x86_deref(elt)); + if (buf_idx == 0) sse_prefetchnta(cp->func, x86_make_disp(elt, 192)); x86_mov(cp->func, buf_ptr, elt); } else { @@ -306,7 +317,7 @@ boolean aos_incr_inputs( struct aos_compilation *cp, boolean linear ) Offset(struct aos_buffer, stride))); x86_add(cp->func, cp->idx_EBX, stride); - sse_prefetchnta(cp->func, x86_deref(cp->idx_EBX)); + sse_prefetchnta(cp->func, x86_make_disp(cp->idx_EBX, 192)); } else if (linear) { /* Nothing to do */ @@ -327,7 +338,7 @@ static void emit_store_R32G32B32A32( struct aos_compilation *cp, struct x86_reg dst_ptr, struct x86_reg dataXMM ) { - sse_movups(cp->func, dst_ptr, dataXMM); + sse_movaps(cp->func, dst_ptr, dataXMM); } static void emit_store_R32G32B32( struct aos_compilation *cp, @@ -430,7 +441,7 @@ boolean aos_emit_outputs( struct aos_compilation *cp ) if (data.file != file_XMM) { struct x86_reg tmp = aos_get_xmm_reg( cp ); - sse_movups(cp->func, tmp, data); + sse_movaps(cp->func, tmp, data); data = tmp; }