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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp38
1 files changed, 19 insertions, 19 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp b/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp
index 502161d5128..19aec92fad1 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp
@@ -204,27 +204,9 @@ fs_live_variables::compute_live_variables()
while (cont) {
cont = false;
- foreach_block (block, cfg) {
+ foreach_block_reverse (block, cfg) {
struct block_data *bd = &block_data[block->num];
- /* Update livein */
- for (int i = 0; i < bitset_words; i++) {
- BITSET_WORD new_livein = (bd->use[i] |
- (bd->liveout[i] &
- ~bd->def[i]));
- if (new_livein & ~bd->livein[i]) {
- bd->livein[i] |= new_livein;
- cont = true;
- }
- }
- BITSET_WORD new_livein = (bd->flag_use[0] |
- (bd->flag_liveout[0] &
- ~bd->flag_def[0]));
- if (new_livein & ~bd->flag_livein[0]) {
- bd->flag_livein[0] |= new_livein;
- cont = true;
- }
-
/* Update liveout */
foreach_list_typed(bblock_link, child_link, link, &block->children) {
struct block_data *child_bd = &block_data[child_link->block->num];
@@ -244,6 +226,24 @@ fs_live_variables::compute_live_variables()
cont = true;
}
}
+
+ /* Update livein */
+ for (int i = 0; i < bitset_words; i++) {
+ BITSET_WORD new_livein = (bd->use[i] |
+ (bd->liveout[i] &
+ ~bd->def[i]));
+ if (new_livein & ~bd->livein[i]) {
+ bd->livein[i] |= new_livein;
+ cont = true;
+ }
+ }
+ BITSET_WORD new_livein = (bd->flag_use[0] |
+ (bd->flag_liveout[0] &
+ ~bd->flag_def[0]));
+ if (new_livein & ~bd->flag_livein[0]) {
+ bd->flag_livein[0] |= new_livein;
+ cont = true;
+ }
}
}
}