i965/cfg: Initialize bblock_t::cycle_count.
schedule_instructions(bblock_t *) isn't called on blocks with a single instruction, and since it is the only thing that set cycle_count, cycle_count would be uninitialized. A non-empty block with bblock_t::cycle_count == 0 is arguably a bug. That'll be fixed in the next commit. Reviewed-by: Francisco Jerez <currojerez@riseup.net>
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@ -51,7 +51,7 @@ link(void *mem_ctx, bblock_t *block)
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}
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bblock_t::bblock_t(cfg_t *cfg) :
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cfg(cfg), idom(NULL), start_ip(0), end_ip(0), num(0)
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cfg(cfg), idom(NULL), start_ip(0), end_ip(0), num(0), cycle_count(0)
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{
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instructions.make_empty();
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parents.make_empty();
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