]>
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" |
17bf6d25 | 27 | #include "tree.h" |
c7131fb2 AM |
28 | #include "rtl.h" |
29 | #include "df.h" | |
30 | #include "alias.h" | |
17bf6d25 CJW |
31 | #include "stor-layout.h" |
32 | #include "varasm.h" | |
33 | #include "calls.h" | |
17bf6d25 | 34 | #include "regs.h" |
17bf6d25 CJW |
35 | #include "insn-config.h" /* Required by recog.h. */ |
36 | #include "conditions.h" | |
37 | #include "output.h" | |
38 | #include "insn-attr.h" /* For DFA state_t. */ | |
39 | #include "insn-codes.h" /* For CODE_FOR_xxx. */ | |
40 | #include "reload.h" /* For push_reload(). */ | |
41 | #include "flags.h" | |
36566b39 PK |
42 | #include "insn-config.h" |
43 | #include "expmed.h" | |
44 | #include "dojump.h" | |
45 | #include "explow.h" | |
46 | #include "emit-rtl.h" | |
47 | #include "stmt.h" | |
17bf6d25 CJW |
48 | #include "expr.h" |
49 | #include "recog.h" | |
50 | #include "diagnostic-core.h" | |
60393bbc AM |
51 | #include "cfgrtl.h" |
52 | #include "cfganal.h" | |
53 | #include "lcm.h" | |
54 | #include "cfgbuild.h" | |
55 | #include "cfgcleanup.h" | |
17bf6d25 CJW |
56 | #include "tm_p.h" |
57 | #include "tm-constrs.h" | |
58 | #include "optabs.h" /* For GEN_FCN. */ | |
59 | #include "target.h" | |
17bf6d25 | 60 | #include "langhooks.h" /* For add_builtin_function(). */ |
17bf6d25 CJW |
61 | #include "builtins.h" |
62 | ||
63 | /* ------------------------------------------------------------------------ */ | |
64 | ||
17bf6d25 CJW |
65 | /* Function to determine whether it is worth to do fp_as_gp optimization. |
66 | Return 0: It is NOT worth to do fp_as_gp optimization. | |
67 | Return 1: It is APPROXIMATELY worth to do fp_as_gp optimization. | |
68 | Note that if it is worth to do fp_as_gp optimization, | |
69 | we MUST set FP_REGNUM ever live in this function. */ | |
70 | int | |
71 | nds32_fp_as_gp_check_available (void) | |
72 | { | |
17bf6d25 CJW |
73 | /* By default we return 0. */ |
74 | return 0; | |
75 | } | |
76 | ||
77 | /* ------------------------------------------------------------------------ */ |