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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2025-03-13 19:20:56 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2025-03-13 19:25:59 +0200 |
| commit | 57f6b41047e95374701ee276248f0f8615168450 (patch) | |
| tree | 919a47249b2442dab31ae236f1f9f858651e5357 /include | |
| parent | ba9145b0b7af2a82c62f8dfa28807958af5d0c8d (diff) | |
| download | ejit-57f6b41047e95374701ee276248f0f8615168450.tar.gz ejit-57f6b41047e95374701ee276248f0f8615168450.zip | |
improve register allocation
+ Still linear, but orders regs by some kind of priority
+ Use all registers available, not just callee-save
Diffstat (limited to 'include')
| -rw-r--r-- | include/ejit/ejit.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/ejit/ejit.h b/include/ejit/ejit.h index aa7cc45..b0d8651 100644 --- a/include/ejit/ejit.h +++ b/include/ejit/ejit.h @@ -791,4 +791,14 @@ struct ejit_reloc ejit_bmsr(struct ejit_func *s, struct ejit_gpr r0, void ejit_patch(struct ejit_func *s, struct ejit_reloc r, struct ejit_label l); +/* hints for register allocations. Each time a slot is used, its priority is + * incremented by the current priority. Generally, you would want to call + * ejit_inc_prio before entering a loop body and decrement it again when + * exiting. Slots are placed into physical registers in the order of highest + * priority first. */ +size_t ejit_get_prio(struct ejit_func *s); +void ejit_set_prio(struct ejit_func *s, size_t prio); +void ejit_inc_prio(struct ejit_func *s, size_t prio); +void ejit_dec_prio(struct ejit_func *s, size_t prio); + #endif /* EJIT_H */ |