PR target/61794
[official-gcc.git] / gcc / rtl-error.c
blobd8d9363654f00206f6a3dcbcd70a8aba81b16c71
1 /* RTL specific diagnostic subroutines for GCC
2 Copyright (C) 2001-2014 Free Software Foundation, Inc.
3 Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
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/>. */
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "tm.h"
25 #include "rtl-error.h"
26 #include "insn-attr.h"
27 #include "insn-config.h"
28 #include "input.h"
29 #include "intl.h"
30 #include "diagnostic.h"
32 static location_t location_for_asm (const_rtx);
33 static void diagnostic_for_asm (const_rtx, const char *, va_list *, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
35 /* Figure the location of the given INSN. */
36 static location_t
37 location_for_asm (const_rtx insn)
39 rtx body = PATTERN (insn);
40 rtx asmop;
41 location_t loc;
43 /* Find the (or one of the) ASM_OPERANDS in the insn. */
44 if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
45 asmop = SET_SRC (body);
46 else if (GET_CODE (body) == ASM_OPERANDS)
47 asmop = body;
48 else if (GET_CODE (body) == PARALLEL
49 && GET_CODE (XVECEXP (body, 0, 0)) == SET)
50 asmop = SET_SRC (XVECEXP (body, 0, 0));
51 else if (GET_CODE (body) == PARALLEL
52 && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
53 asmop = XVECEXP (body, 0, 0);
54 else
55 asmop = NULL;
57 if (asmop)
58 loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
59 else
60 loc = input_location;
61 return loc;
64 /* Report a diagnostic MESSAGE (an error or a WARNING) at the line number
65 of the insn INSN. This is used only when INSN is an `asm' with operands,
66 and each ASM_OPERANDS records its own source file and line. */
67 static void
68 diagnostic_for_asm (const_rtx insn, const char *msg, va_list *args_ptr,
69 diagnostic_t kind)
71 diagnostic_info diagnostic;
73 diagnostic_set_info (&diagnostic, msg, args_ptr,
74 location_for_asm (insn), kind);
75 report_diagnostic (&diagnostic);
78 void
79 error_for_asm (const_rtx insn, const char *gmsgid, ...)
81 va_list ap;
83 va_start (ap, gmsgid);
84 diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
85 va_end (ap);
88 void
89 warning_for_asm (const_rtx insn, const char *gmsgid, ...)
91 va_list ap;
93 va_start (ap, gmsgid);
94 diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
95 va_end (ap);
98 void
99 _fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
100 const char *function)
102 error ("%s", _(msgid));
104 /* The above incremented error_count, but isn't an error that we want to
105 count, so reset it here. */
106 errorcount--;
108 debug_rtx (insn);
109 fancy_abort (file, line, function);
112 void
113 _fatal_insn_not_found (const_rtx insn, const char *file, int line,
114 const char *function)
116 if (INSN_CODE (insn) < 0)
117 _fatal_insn ("unrecognizable insn:", insn, file, line, function);
118 else
119 _fatal_insn ("insn does not satisfy its constraints:",
120 insn, file, line, function);