File: cunroll-11.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
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" } } */