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pan/bi: Add clause header fields to bi_clause

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These will be filled out during scheduling (and possibly RA), to be used
when emitting code.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
This commit is contained in:
Alyssa Rosenzweig 2020-03-03 08:09:18 -05:00 • committed by Marge Bot
parent 44ebc275fe
commit fba1d12742
1 changed files with 19 additions and 0 deletions
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19
src/panfrost/bifrost/compiler.h
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@ -212,6 +212,25 @@ typedef struct {
bi_instruction *instructions[16];
bi_bundle bundles[8];
};
/* For scoreboarding -- the clause ID (this is not globally unique!)
* and its dependencies in terms of other clauses, computed during
* scheduling and used when emitting code. Dependencies expressed as a
* bitfield matching the hardware, except shifted by a clause (the
* shift back to the ISA's off-by-one encoding is worked out when
* emitting clauses) */
unsigned scoreboard_id;
uint8_t dependencies;
/* Back-to-back corresponds directly to the back-to-back bit. Branch
* conditional corresponds to the branch conditional bit except that in
* the emitted code it's always set if back-to-bit is, whereas we use
* the actual value (without back-to-back so to speak) internally */
bool back_to_back;
bool branch_conditional;
/* Corresponds to the usual bit but shifted by a clause */
bool data_register_write_barrier;
} bi_clause;
typedef struct bi_block {