File: cunroll-11.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 (17 lines) | stat: -rw-r--r-- 377 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
/* { dg-do compile } */
/* { dg-options "-O3 -Warray-bounds -fdump-tree-cunroll-details" } */

typedef struct { unsigned data; } s1;
s1 g_x[4];

extern void foo (s1 *x1, s1 *x2, int a, int b)
{
  int i;
  for(i = 0; i < a; i++)
    if(i == b)
      g_x[i] = *x1;
    else
      g_x[i] = *x2;
}

/* { dg-final { scan-tree-dump "Loop 1 iterates at most 3 times" "cunroll" } } */