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pan/bi: Explicit zero reg_live_{in, out} when needed

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I want to use these fields for a similar purpose in the register
allocator, so they won't be zero anymore for scheduling.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11123>
This commit is contained in:
Alyssa Rosenzweig 2021-05-25 13:50:13 -04:00 • committed by Marge Bot
parent 98f072e21b
commit 8d4ce240be
1 changed files with 5 additions and 0 deletions
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5
src/panfrost/bifrost/bi_opt_dce.c
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@ -129,6 +129,11 @@ bi_postra_liveness(bi_context *ctx)
struct set_entry *cur;
cur = _mesa_set_add(work_list, pan_exit_block(&ctx->blocks));
bi_foreach_block(ctx, _block) {
bi_block *block = (bi_block *) _block;
block->reg_live_out = block->reg_live_in = 0;
}
do {
bi_block *blk = (struct bi_block *) cur->key;
_mesa_set_remove(work_list, cur);