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util: Move util_is_power_of_two to bitscan.h and rename to util_is_power_of_two_or_zero

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The new name make the zero-input behavior more obvious.  The next
patch adds a new function with different zero-input behavior.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Suggested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
This commit is contained in:
Ian Romanick
2017-11-13 11:17:41 -08:00
parent a3a16d4aa7
commit d76c204d05
37 changed files with 79 additions and 73 deletions
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6
src/intel/vulkan/anv_allocator.c
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@@ -619,7 +619,7 @@ anv_state_pool_init(struct anv_state_pool *pool,
if (result != VK_SUCCESS)
return result;
assert(util_is_power_of_two(block_size));
assert(util_is_power_of_two_or_zero(block_size));
pool->block_size = block_size;
pool->back_alloc_free_list = ANV_FREE_LIST_EMPTY;
for (unsigned i = 0; i < ANV_STATE_BUCKETS; i++) {
@@ -814,7 +814,7 @@ done:
static void
anv_state_pool_free_no_vg(struct anv_state_pool *pool, struct anv_state state)
{
assert(util_is_power_of_two(state.alloc_size));
assert(util_is_power_of_two_or_zero(state.alloc_size));
unsigned bucket = anv_state_pool_get_bucket(state.alloc_size);
if (state.offset < 0) {
@@ -1041,7 +1041,7 @@ anv_bo_pool_free(struct anv_bo_pool *pool, const struct anv_bo *bo_in)
struct bo_pool_bo_link *link = bo.map;
VG_NOACCESS_WRITE(&link->bo, bo);
assert(util_is_power_of_two(bo.size));
assert(util_is_power_of_two_or_zero(bo.size));
const unsigned size_log2 = ilog2_round_up(bo.size);
const unsigned bucket = size_log2 - 12;
assert(bucket < ARRAY_SIZE(pool->free_list));