diff options
Diffstat (limited to 'sysdeps/m68k/fpu/fraiseexcpt.c')
| -rw-r--r-- | sysdeps/m68k/fpu/fraiseexcpt.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/sysdeps/m68k/fpu/fraiseexcpt.c b/sysdeps/m68k/fpu/fraiseexcpt.c index b6ff82760d..51411dd292 100644 --- a/sysdeps/m68k/fpu/fraiseexcpt.c +++ b/sysdeps/m68k/fpu/fraiseexcpt.c @@ -34,9 +34,8 @@ feraiseexcept (int excepts) if (excepts & FE_INVALID) { /* One example of a invalid operation is 0 * Infinity. */ - double d = 0.0 * HUGE_VAL; - /* Now force the exception. */ - __asm__ __volatile__ ("fnop" : : "f" (d)); + double d = HUGE_VAL; + __asm__ __volatile__ ("fmul%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d)); } /* Next: division by zero. */ @@ -49,26 +48,21 @@ feraiseexcept (int excepts) /* Next: overflow. */ if (excepts & FE_OVERFLOW) { - long double d = LDBL_MAX * LDBL_MAX; - /* Now force the exception. */ - __asm__ __volatile__ ("fnop" : : "f" (d)); + long double d = LDBL_MAX; + __asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d)); } /* Next: underflow. */ if (excepts & FE_UNDERFLOW) { - long double d = LDBL_MIN / 16.0; - /* Now force the exception. */ - __asm__ __volatile__ ("fnop" : : "f" (d)); + long double d = LDBL_MIN; + __asm__ __volatile__ ("fdiv%.s %#0r16,%0; fnop" : "=f" (d) : "0" (d)); } /* Last: inexact. */ if (excepts & FE_INEXACT) { - long double d1, d2 = 1.0; - __asm__ __volatile__ ("fmovecr %#0,%0\n\t" - "fdiv%.x %1,%0\n\t" - "fnop" - : "=&f" (d1) : "f" (d2)); + long double d = 1.0; + __asm__ __volatile__ ("fdiv%.s %#0r3,%0; fnop" : "=f" (d) : "0" (d)); } } |