diff options
| author | Eric Anholt <[email protected]> | 2014-03-17 14:53:08 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2014-03-18 10:20:28 -0700 |
| commit | 41097db91bb18cfb03faf00d9bc7a5495d1bf66e (patch) | |
| tree | a0d1c062fc3ee3362e8c2c7167a5beeba1071717 /src | |
| parent | da1cce2d68b847bdc7783376a6f8d08d123e7c71 (diff) | |
ra: Convert another bool array to bitsets.
This one saves about 2MB peak allocation in glsl-fs-algebraic-add-add-1,
with no performance difference on timing short shader-db runs (n=9/10,
warmup outlier removed).
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/program/register_allocate.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/mesa/program/register_allocate.c b/src/mesa/program/register_allocate.c index d5b44231fd0..6fac69033ed 100644 --- a/src/mesa/program/register_allocate.c +++ b/src/mesa/program/register_allocate.c @@ -82,7 +82,7 @@ #define NO_REG ~0 struct ra_reg { - bool *conflicts; + BITSET_WORD *conflicts; unsigned int *conflict_list; unsigned int conflict_list_size; unsigned int num_conflicts; @@ -191,8 +191,9 @@ ra_alloc_reg_set(void *mem_ctx, unsigned int count) regs->regs = rzalloc_array(regs, struct ra_reg, count); for (i = 0; i < count; i++) { - regs->regs[i].conflicts = rzalloc_array(regs->regs, bool, count); - regs->regs[i].conflicts[i] = true; + regs->regs[i].conflicts = rzalloc_array(regs->regs, BITSET_WORD, + BITSET_WORDS(count)); + BITSET_SET(regs->regs[i].conflicts, i); regs->regs[i].conflict_list = ralloc_array(regs->regs, unsigned int, 4); regs->regs[i].conflict_list_size = 4; @@ -230,13 +231,13 @@ ra_add_conflict_list(struct ra_regs *regs, unsigned int r1, unsigned int r2) unsigned int, reg1->conflict_list_size); } reg1->conflict_list[reg1->num_conflicts++] = r2; - reg1->conflicts[r2] = true; + BITSET_SET(reg1->conflicts, r2); } void ra_add_reg_conflict(struct ra_regs *regs, unsigned int r1, unsigned int r2) { - if (!regs->regs[r1].conflicts[r2]) { + if (!BITSET_TEST(regs->regs[r1].conflicts, r2)) { ra_add_conflict_list(regs, r1, r2); ra_add_conflict_list(regs, r2, r1); } @@ -501,7 +502,7 @@ ra_select(struct ra_graph *g) unsigned int n2 = g->nodes[n].adjacency_list[i]; if (!g->nodes[n2].in_stack && - g->regs->regs[r].conflicts[g->nodes[n2].reg]) { + BITSET_TEST(g->regs->regs[r].conflicts, g->nodes[n2].reg)) { break; } } |