vc4: Fix use of undefined values since the ralloc zeroing changes.

reralloc() no longer zeroes the new contents, so switch to using
rzalloc_array() instead.
This commit is contained in:
Eric Anholt 2016-11-02 13:51:10 -07:00
parent 49936364e4
commit bedb996087

View file

@ -301,8 +301,13 @@ qir_calculate_live_intervals(struct vc4_compile *c)
{
int bitset_words = BITSET_WORDS(c->num_temps);
c->temp_start = reralloc(c, c->temp_start, int, c->num_temps);
c->temp_end = reralloc(c, c->temp_end, int, c->num_temps);
/* If we called this function more than once, then we should be
* freeing the previous arrays.
*/
assert(!c->temp_start);
c->temp_start = rzalloc_array(c, int, c->num_temps);
c->temp_end = rzalloc_array(c, int, c->num_temps);
for (int i = 0; i < c->num_temps; i++) {
c->temp_start[i] = MAX_INSTRUCTION;
@ -310,10 +315,10 @@ qir_calculate_live_intervals(struct vc4_compile *c)
}
qir_for_each_block(block, c) {
block->def = reralloc(c, block->def, BITSET_WORD, bitset_words);
block->use = reralloc(c, block->use, BITSET_WORD, bitset_words);
block->live_in = reralloc(c, block->live_in, BITSET_WORD, bitset_words);
block->live_out = reralloc(c, block->live_out, BITSET_WORD, bitset_words);
block->def = rzalloc_array(c, BITSET_WORD, bitset_words);
block->use = rzalloc_array(c, BITSET_WORD, bitset_words);
block->live_in = rzalloc_array(c, BITSET_WORD, bitset_words);
block->live_out = rzalloc_array(c, BITSET_WORD, bitset_words);
}
qir_setup_def_use(c);