1 /* Printing operations with very long integers.
2 Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
5 This file is part of GCC.
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 by the
9 Free Software Foundation; either version 3, or (at your option) any
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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/>. */
23 #include "coretypes.h"
26 * public printing routines.
29 #define BLOCKS_NEEDED(PREC) \
30 (((PREC) + HOST_BITS_PER_WIDE_INT - 1) / HOST_BITS_PER_WIDE_INT)
33 print_dec (const wide_int_ref &wi, char *buf, signop sgn)
42 print_dec (const wide_int_ref &wi, FILE *file, signop sgn)
45 print_decs (wi, file);
47 print_decu (wi, file);
51 /* Try to print the signed self in decimal to BUF if the number fits
52 in a HWI. Other print in hex. */
55 print_decs (const wide_int_ref &wi, char *buf)
57 if ((wi.get_precision () <= HOST_BITS_PER_WIDE_INT)
58 || (wi.get_len () == 1))
61 sprintf (buf, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
62 -(unsigned HOST_WIDE_INT) wi.to_shwi ());
64 sprintf (buf, HOST_WIDE_INT_PRINT_DEC, wi.to_shwi ());
70 /* Try to print the signed self in decimal to FILE if the number fits
71 in a HWI. Other print in hex. */
74 print_decs (const wide_int_ref &wi, FILE *file)
76 char buf[WIDE_INT_PRINT_BUFFER_SIZE];
81 /* Try to print the unsigned self in decimal to BUF if the number fits
82 in a HWI. Other print in hex. */
85 print_decu (const wide_int_ref &wi, char *buf)
87 if ((wi.get_precision () <= HOST_BITS_PER_WIDE_INT)
88 || (wi.get_len () == 1 && !wi::neg_p (wi)))
89 sprintf (buf, HOST_WIDE_INT_PRINT_UNSIGNED, wi.to_uhwi ());
94 /* Try to print the signed self in decimal to FILE if the number fits
95 in a HWI. Other print in hex. */
98 print_decu (const wide_int_ref &wi, FILE *file)
100 char buf[WIDE_INT_PRINT_BUFFER_SIZE];
101 print_decu (wi, buf);
106 print_hex (const wide_int_ref &val, char *buf)
109 buf += sprintf (buf, "0x0");
112 buf += sprintf (buf, "0x");
113 int start = ROUND_DOWN (val.get_precision (), HOST_BITS_PER_WIDE_INT);
114 int width = val.get_precision () - start;
116 for (int i = start; i >= 0; i -= HOST_BITS_PER_WIDE_INT)
118 unsigned HOST_WIDE_INT uhwi = wi::extract_uhwi (val, i, width);
120 buf += sprintf (buf, HOST_WIDE_INT_PRINT_PADDED_HEX, uhwi);
123 buf += sprintf (buf, HOST_WIDE_INT_PRINT_HEX_PURE, uhwi);
126 width = HOST_BITS_PER_WIDE_INT;
131 /* Print one big hex number to FILE. Note that some assemblers may not
132 accept this for large modes. */
134 print_hex (const wide_int_ref &wi, FILE *file)
136 char buf[WIDE_INT_PRINT_BUFFER_SIZE];