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pan/bi: Add bi_pack_upper 

Top 3-bits, found e.g. in the tag.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8723>
This commit is contained in:
Alyssa Rosenzweig 2021-01-06 13:37:51 -05:00 committed by Marge Bot
parent 62696e5ff5
commit 0812a5204b
1 changed files with 24 additions and 0 deletions
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24
src/panfrost/bifrost/bi_pack.c
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@ -607,6 +607,30 @@ bi_pack_literal(enum bi_clause_subword literal)
return (literal - BI_CLAUSE_SUBWORD_LITERAL_0);
}
static inline uint8_t
bi_clause_upper(unsigned val,
struct bi_packed_tuple *tuples,
ASSERTED unsigned tuple_count)
{
assert(val < tuple_count);
/* top 3-bits of 78-bits is tuple >> 75 == (tuple >> 64) >> 11 */
struct bi_packed_tuple tuple = tuples[val];
return (tuple.hi >> 11);
}
static inline uint8_t
bi_pack_upper(enum bi_clause_subword upper,
struct bi_packed_tuple *tuples,
ASSERTED unsigned tuple_count)
{
assert(upper >= BI_CLAUSE_SUBWORD_UPPER_0);
assert(upper <= BI_CLAUSE_SUBWORD_UPPER_7);
return bi_clause_upper(upper - BI_CLAUSE_SUBWORD_UPPER_0, tuples,
tuple_count);
}
static void
bi_pack_clause(bi_context *ctx, bi_clause *clause,
bi_clause *next_1, bi_clause *next_2,