| /* { dg-do compile } */ |
| /* { dg-options "-O3" } */ |
| /* { dg-require-effective-target arm_arch_v8a_ok } */ |
| /* { dg-add-options arm_arch_v8a } */ |
| |
| /* Both sdiv and udiv can be used here, so prefer udiv. */ |
| int f1 (unsigned char *p) |
| { |
| return 100 / p[1]; |
| } |
| |
| int f2 (unsigned char *p, unsigned short x) |
| { |
| return x / p[0]; |
| } |
| |
| int f3 (unsigned char *p, int x) |
| { |
| x &= 0x7fffffff; |
| return x / p[0]; |
| } |
| |
| int f5 (unsigned char *p, unsigned short x) |
| { |
| return x % p[0]; |
| } |
| |
| /* This should only generate signed divisions. */ |
| int f4 (unsigned char *p) |
| { |
| return -100 / p[1]; |
| } |
| |
| int f6 (unsigned char *p, short x) |
| { |
| return x % p[0]; |
| } |
| |
| /* { dg-final { scan-assembler-times "udiv\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 4 } } */ |
| /* { dg-final { scan-assembler-times "sdiv\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */ |
