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draw: modify prefetching slightly

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This commit is contained in:
Keith Whitwell 2008-10-02 12:53:11 +01:00 • committed by Zack Rusin
parent 21f98ad30a
commit 22eb067c88
1 changed files with 15 additions and 4 deletions
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19
src/gallium/auxiliary/draw/draw_vs_aos_io.c
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@ -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;
}