projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| ca545bb5 | 1 | /* Definitions for computing resource usage of specific insns. |
| f30278e8 | 2 | Copyright (C) 1999, 2003, 2004 Free Software Foundation, Inc. |
| ca545bb5 | 3 | |
| 1322177d | 4 | This file is part of GCC. |
| ca545bb5 | 5 | |
| 1322177d LB |
6 | GCC is free software; you can redistribute it and/or modify it under |
| 7 | the terms of the GNU General Public License as published by the Free | |
| 8 | Software Foundation; either version 2, or (at your option) any later | |
| 9 | version. | |
| ca545bb5 | 10 | |
| 1322177d LB |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | for more details. | |
| ca545bb5 BM |
15 | |
| 16 | You should have received a copy of the GNU General Public License | |
| 1322177d LB |
17 | along with GCC; see the file COPYING. If not, write to the Free |
| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. */ | |
| ca545bb5 | 20 | |
| 59587b18 JQ |
21 | #ifndef GCC_RESOURCE_H |
| 22 | #define GCC_RESOURCE_H | |
| 23 | ||
| 24 | #include "hard-reg-set.h" | |
| 25 | ||
| ca545bb5 BM |
26 | /* Macro to clear all resources. */ |
| 27 | #define CLEAR_RESOURCE(RES) \ | |
| 28 | do { (RES)->memory = (RES)->unch_memory = (RES)->volatil = (RES)->cc = 0; \ | |
| 29 | CLEAR_HARD_REG_SET ((RES)->regs); } while (0) | |
| 30 | ||
| 2ba84f36 | 31 | /* The resources used by a given insn. */ |
| ca545bb5 BM |
32 | struct resources |
| 33 | { | |
| 34 | char memory; /* Insn sets or needs a memory location. */ | |
| 35 | char unch_memory; /* Insn sets of needs a "unchanging" MEM. */ | |
| 36 | char volatil; /* Insn sets or needs a volatile memory loc. */ | |
| 37 | char cc; /* Insn sets or needs the condition codes. */ | |
| 38 | HARD_REG_SET regs; /* Which registers are set or needed. */ | |
| 39 | }; | |
| 40 | ||
| 73780b74 SC |
41 | /* The kinds of rtl mark_*_resources will consider */ |
| 42 | enum mark_resource_type | |
| 43 | { | |
| 44 | MARK_SRC_DEST = 0, | |
| 73fb6466 | 45 | MARK_SRC_DEST_CALL = 1 |
| 73780b74 SC |
46 | }; |
| 47 | ||
| 0c20a65f AJ |
48 | extern void mark_target_live_regs (rtx, rtx, struct resources *); |
| 49 | extern void mark_set_resources (rtx, struct resources *, int, | |
| 50 | enum mark_resource_type); | |
| 51 | extern void mark_referenced_resources (rtx, struct resources *, int); | |
| 52 | extern void clear_hashed_info_for_insn (rtx); | |
| 53 | extern void incr_ticks_for_insn (rtx); | |
| 54 | extern void mark_end_of_function_resources (rtx, int); | |
| 55 | extern void init_resource_info (rtx); | |
| 56 | extern void free_resource_info (void); | |
| 59587b18 JQ |
57 | |
| 58 | #endif /* GCC_RESOURCE_H */ |