From b8e526c520a20b13492e0ca5074d72f5b3f6388f Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Thu, 15 Aug 2019 08:36:41 -0700 Subject: pan/midgard: Add mir_foreach_predecessor utility It's ugly, but c'est la vie. Signed-off-by: Alyssa Rosenzweig --- src/panfrost/midgard/compiler.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/panfrost/midgard/compiler.h b/src/panfrost/midgard/compiler.h index e51ea8ba602..f196389c36a 100644 --- a/src/panfrost/midgard/compiler.h +++ b/src/panfrost/midgard/compiler.h @@ -360,6 +360,17 @@ mir_next_op(struct midgard_instruction *ins) mir_foreach_block(ctx, v_block) \ mir_foreach_instr_in_block_safe(v_block, v) +/* Based on set_foreach, expanded with automatic type casts */ + +#define mir_foreach_predecessor(blk, v) \ + struct set_entry *_entry_##v; \ + struct midgard_block *v; \ + for (_entry_##v = _mesa_set_next_entry(blk->predecessors, NULL), \ + v = (struct midgard_block *) (_entry_##v ? _entry_##v->key : NULL); \ + _entry_##v != NULL; \ + _entry_##v = _mesa_set_next_entry(blk->predecessors, _entry_##v), \ + v = (struct midgard_block *) (_entry_##v ? _entry_##v->key : NULL)) + static inline midgard_instruction * mir_last_in_block(struct midgard_block *block) { -- cgit v1.2.3