File: ivopt_mult_1.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (23 lines) | stat: -rw-r--r-- 539 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */

/* The test 'if (p2 > p_limit2)' can be replaced, so iv p2 can be
 * eliminated.  */
long foo(long* p, long* p2, int N1, int N2)
{
  int i = 0;
  long* p_limit = p + N1;
  long* p_limit2 = p2 + N2;
  long s = 0;
  while (p  <= p_limit)
    {
      p++;
      p2++;
      if (p2 > p_limit2)
        break;
      s += (*p);
    }
  return s;
}

/* { dg-final { scan-tree-dump-times "Replacing" 1 "ivopts"} } */