diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/compile/20030405-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20030405-1.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20030405-1.c b/gcc/testsuite/gcc.c-torture/compile/20030405-1.c new file mode 100644 index 00000000000..2e61f1fa3ff --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20030405-1.c @@ -0,0 +1,58 @@ +/* PR optimization/10024 */ +extern int *allegro_errno; +typedef long fixed; +extern inline int +fixfloor (fixed x) +{ + if (x >= 0) + return (x >> 16); + else + return ~((~x) >> 16); +} +extern inline int +fixtoi (fixed x) +{ + return fixfloor (x) + ((x & 0x8000) >> 15); +} +extern inline fixed +ftofix (double x) +{ + if (x > 32767.0) + { + *allegro_errno = 34; + return 0x7FFFFFFF; + } + if (x < -32767.0) + { + *allegro_errno = 34; + return -0x7FFFFFFF; + } + return (long) (x * 65536.0 + (x < 0 ? -0.5 : 0.5)); +} +extern inline double +fixtof (fixed x) +{ + return (double) x / 65536.0; +} +extern inline fixed +fixdiv (fixed x, fixed y) +{ + if (y == 0) + { + *allegro_errno = 34; + return (x < 0) ? -0x7FFFFFFF : 0x7FFFFFFF; + } + else + return ftofix (fixtof (x) / fixtof (y)); +} +extern inline fixed +itofix (int x) +{ + return x << 16; +} + +int +foo (int n) +{ + return fixtoi (fixdiv (itofix (512), itofix (n))); +} |

