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draw: some possible fixes for spilling

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This commit is contained in:
Keith Whitwell 2008-05-27 10:42:58 +01:00
parent 2109ddafef
commit 4e2567f0ab
1 changed files with 18 additions and 12 deletions
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30
src/gallium/auxiliary/draw/draw_vs_aos.c
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@ -253,6 +253,7 @@ struct x86_reg aos_get_xmm_reg( struct aos_compilation *cp )
cp->xmm[oldest].file = TGSI_FILE_NULL;
cp->xmm[oldest].idx = 0;
cp->xmm[oldest].dirty = 0;
cp->xmm[oldest].last_used = cp->insn_counter;
return x86_make_reg(file_XMM, oldest);
}
@ -284,24 +285,18 @@ void aos_adopt_xmm_reg( struct aos_compilation *cp,
return;
}
/* If this xmm reg is already holding this shader reg, just update
* last_used, and don't clobber the dirty flag...
*/
if (cp->xmm[reg.idx].file == file &&
cp->xmm[reg.idx].idx == idx)
{
cp->xmm[reg.idx].dirty |= dirty;
cp->xmm[reg.idx].last_used = cp->insn_counter;
return;
}
/* If any xmm reg thinks it holds this shader reg, break the
* illusion.
*/
for (i = 0; i < 8; i++) {
if (cp->xmm[i].file == file &&
cp->xmm[i].idx == idx) {
cp->xmm[i].idx == idx)
{
/* If an xmm reg is already holding this shader reg, take into account its
* dirty flag...
*/
dirty |= cp->xmm[i].dirty;
aos_release_xmm_reg(cp, i);
}
}
@ -1989,6 +1984,17 @@ static boolean build_vertex_program( struct draw_vs_varient_aos_sse *varient,
debug_printf("\n");
}
{
unsigned i;
for (i = 0; i < 8; i++) {
if (cp.xmm[i].file != TGSI_FILE_OUTPUT) {
cp.xmm[i].file = TGSI_FILE_NULL;
cp.xmm[i].dirty = 0;
}
}
}
if (cp.error)
goto fail;