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pan/bi: Add node_to_index helper

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To invert index_to_node for RA.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8215>
This commit is contained in:
Alyssa Rosenzweig 2020-12-16 12:56:45 -05:00
parent b85f317017
commit 06f52fe0b1
1 changed files with 9 additions and 0 deletions
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9
src/panfrost/bifrost/compiler.h
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@ -778,6 +778,15 @@ bi_get_node(bi_index index)
return (index.value << 1) | index.reg;
}
static inline bi_index
bi_node_to_index(unsigned node, unsigned node_count)
{
assert(node < node_count);
assert(node_count < ~0);
return bi_get_index(node >> 1, node & PAN_IS_REG, 0);
}
/* Iterators for Bifrost IR */
#define bi_foreach_block(ctx, v) \