sdcc/support/regression/tests/gcc-torture-execute-pr20527-1.c

   1 /*
   2    pr20527-1.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 /* PR rtl-optimization/20527
  12    Mishandled postincrement.  This test-case is derived from the
  13    function BZ2_hbCreateDecodeTables in the file huffman.c from
  14    bzip2-1.0.2, hence requiring the following disclaimer copied here:  */
  15
  16 /*--
  17   This file is a part of bzip2 and/or libbzip2, a program and
  18   library for lossless, block-sorting data compression.
  19
  20   Copyright (C) 1996-2002 Julian R Seward.  All rights reserved.
  21
  22   Redistribution and use in source and binary forms, with or without
  23   modification, are permitted provided that the following conditions
  24   are met:
  25
  26   1. Redistributions of source code must retain the above copyright
  27      notice, this list of conditions and the following disclaimer.
  28
  29   2. The origin of this software must not be misrepresented; you must
  30      not claim that you wrote the original software.  If you use this
  31      software in a product, an acknowledgment in the product
  32      documentation would be appreciated but is not required.
  33
  34   3. Altered source versions must be plainly marked as such, and must
  35      not be misrepresented as being the original software.
  36
  37   4. The name of the author may not be used to endorse or promote
  38      products derived from this software without specific prior written
  39      permission.
  40
  41   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  42   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  43   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  45   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  47   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  48   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  49   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  50   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  51   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  52
  53   Julian Seward, Cambridge, UK.
  54   jseward@acm.org
  55   bzip2/libbzip2 version 1.0 of 21 March 2000
  56
  57   This program is based on (at least) the work of:
  58      Mike Burrows
  59      David Wheeler
  60      Peter Fenwick
  61      Alistair Moffat
  62      Radford Neal
  63      Ian H. Witten
  64      Robert Sedgewick
  65      Jon L. Bentley
  66
  67   For more information on these sources, see the manual.
  68 --*/
  69
  70 #if !defined(__SDCC_pdk14) // Lack of memory
  71 void f (long *limit, long *base, long minLen, long maxLen);
  72 void f (long *limit, long *base, long minLen, long maxLen)
  73 {
  74   long i;
  75   long vec;
  76   vec = 0;
  77   for (i = minLen; i <= maxLen; i++) {
  78     vec += (base[i+1] - base[i]);
  79     limit[i] = vec-1;
  80   }
  81 }
  82
  83 long b[] = {1, 5, 11, 23};
  84 #endif
  85
  86 void
  87 testTortureExecute (void)
  88 {
  89 #if !defined(__SDCC_pdk14) // Lack of memory
  90   long l[3];
  91   f (l, b, 0, 2);
  92   if (l[0] != 3 || l[1] != 9 || l[2] != 21)
  93     ASSERT (0);
  94   return;
  95 #endif
  96 }
  97