| /* PR rtl-optimization/94873 */ |
| /* { dg-do run { target int128 } } */ |
| /* { dg-options "-O -fno-merge-constants -fno-split-wide-types -fno-tree-fre" } */ |
| |
| __attribute__((noipa)) void |
| foo (const char *p, int q) |
| { |
| if (p[0] != '%' || p[1] != '0' || p[2] != '2' || p[3] != 'x' || p[4] != '\0') |
| __builtin_abort (); |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| if ((unsigned char) q != 0x95) |
| __builtin_abort (); |
| #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| if ((unsigned char) q != 0) |
| __builtin_abort (); |
| #endif |
| } |
| |
| int |
| main () |
| { |
| union U { __int128 a; char b[sizeof (__int128)]; }; |
| char x = ((union U){ .a = 0xF4409395252B9560ULL}).b[1]; |
| for (unsigned i = 0; i < sizeof (x); i++) |
| foo ("%02x", i[(volatile unsigned char *) &x]); |
| return 0; |
| } |
