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authorKeith Whitwell <keith@tungstengraphics.com>2008-05-27 10:42:58 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-05-27 10:42:58 +0100
commit4e2567f0ab6afd701bea4c35e388663e90f5cb6c (patch)
tree85b9964ac398a9362dae540259b64447921e41cb /src/gallium/auxiliary/draw/draw_vs_aos.c
parent2109ddafefde26dd20a1c6a25f594984143944a3 (diff)
draw: some possible fixes for spilling
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_aos.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_aos.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c
index 1622358ae1..99630e4f75 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos.c
@@ -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;