projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| c0c935b5 | 1 | /* The fp-as-gp pass of Andes NDS32 cpu for GNU compiler |
| 5624e564 | 2 | Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| c0c935b5 CJW |
3 | Contributed by Andes Technology Corporation. |
| 4 | ||
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify it | |
| 8 | under the terms of the GNU General Public License as published | |
| 9 | by the Free Software Foundation; either version 3, or (at your | |
| 10 | option) any later version. | |
| 11 | ||
| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 | License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GCC; see the file COPYING3. If not see | |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 17bf6d25 CJW |
20 | |
| 21 | /* ------------------------------------------------------------------------ */ | |
| 22 | ||
| 23 | #include "config.h" | |
| 24 | #include "system.h" | |
| 25 | #include "coretypes.h" | |
| c7131fb2 | 26 | #include "backend.h" |
| 9fdcd34e | 27 | #include "cfghooks.h" |
| 17bf6d25 | 28 | #include "tree.h" |
| c7131fb2 AM |
29 | #include "rtl.h" |
| 30 | #include "df.h" | |
| 31 | #include "alias.h" | |
| 17bf6d25 CJW |
32 | #include "stor-layout.h" |
| 33 | #include "varasm.h" | |
| 34 | #include "calls.h" | |
| 17bf6d25 | 35 | #include "regs.h" |
| 17bf6d25 CJW |
36 | #include "insn-config.h" /* Required by recog.h. */ |
| 37 | #include "conditions.h" | |
| 38 | #include "output.h" | |
| 39 | #include "insn-attr.h" /* For DFA state_t. */ | |
| 40 | #include "insn-codes.h" /* For CODE_FOR_xxx. */ | |
| 41 | #include "reload.h" /* For push_reload(). */ | |
| 42 | #include "flags.h" | |
| 36566b39 PK |
43 | #include "insn-config.h" |
| 44 | #include "expmed.h" | |
| 45 | #include "dojump.h" | |
| 46 | #include "explow.h" | |
| 47 | #include "emit-rtl.h" | |
| 48 | #include "stmt.h" | |
| 17bf6d25 CJW |
49 | #include "expr.h" |
| 50 | #include "recog.h" | |
| 51 | #include "diagnostic-core.h" | |
| 60393bbc AM |
52 | #include "cfgrtl.h" |
| 53 | #include "cfganal.h" | |
| 54 | #include "lcm.h" | |
| 55 | #include "cfgbuild.h" | |
| 56 | #include "cfgcleanup.h" | |
| 17bf6d25 CJW |
57 | #include "tm_p.h" |
| 58 | #include "tm-constrs.h" | |
| 59 | #include "optabs.h" /* For GEN_FCN. */ | |
| 60 | #include "target.h" | |
| 17bf6d25 | 61 | #include "langhooks.h" /* For add_builtin_function(). */ |
| 17bf6d25 CJW |
62 | #include "builtins.h" |
| 63 | ||
| 64 | /* ------------------------------------------------------------------------ */ | |
| 65 | ||
| 17bf6d25 CJW |
66 | /* Function to determine whether it is worth to do fp_as_gp optimization. |
| 67 | Return 0: It is NOT worth to do fp_as_gp optimization. | |
| 68 | Return 1: It is APPROXIMATELY worth to do fp_as_gp optimization. | |
| 69 | Note that if it is worth to do fp_as_gp optimization, | |
| 70 | we MUST set FP_REGNUM ever live in this function. */ | |
| 71 | int | |
| 72 | nds32_fp_as_gp_check_available (void) | |
| 73 | { | |
| 17bf6d25 CJW |
74 | /* By default we return 0. */ |
| 75 | return 0; | |
| 76 | } | |
| 77 | ||
| 78 | /* ------------------------------------------------------------------------ */ |