diff options
Diffstat (limited to 'sysdeps/i386/fpu/fraiseexcpt.c')
| -rw-r--r-- | sysdeps/i386/fpu/fraiseexcpt.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/sysdeps/i386/fpu/fraiseexcpt.c b/sysdeps/i386/fpu/fraiseexcpt.c index 0af8c71ddc..d468449873 100644 --- a/sysdeps/i386/fpu/fraiseexcpt.c +++ b/sysdeps/i386/fpu/fraiseexcpt.c @@ -34,7 +34,7 @@ feraiseexcept (int excepts) { /* One example of a invalid operation is 0.0 / 0.0. */ double d; - __asm__ ("fldz; fdiv %%st, %%st(0); fwait" : "=t" (d)); + __asm__ __volatile__ ("fldz; fdiv %%st, %%st(0); fwait" : "=t" (d)); (void) &d; } @@ -42,7 +42,8 @@ feraiseexcept (int excepts) if ((FE_DIVBYZERO & excepts) != 0) { double d; - __asm__ ("fldz; fld1; fdivp %%st, %%st(1); fwait" : "=t" (d)); + __asm__ __volatile__ ("fldz; fld1; fdivp %%st, %%st(1); fwait" + : "=t" (d)); (void) &d; } @@ -55,16 +56,16 @@ feraiseexcept (int excepts) /* Bah, we have to clear selected exceptions. Since there is no `fldsw' instruction we have to do it the hard way. */ - __asm__ ("fnstenv %0" : "=m" (*&temp)); + __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp)); /* Set the relevant bits. */ temp.status_word |= FE_OVERFLOW; /* Put the new data in effect. */ - __asm__ ("fldenv %0" : : "m" (*&temp)); + __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp)); /* And raise the exception. */ - __asm__ ("fwait"); + __asm__ __volatile__ ("fwait"); } /* Next: underflow. */ @@ -76,16 +77,16 @@ feraiseexcept (int excepts) /* Bah, we have to clear selected exceptions. Since there is no `fldsw' instruction we have to do it the hard way. */ - __asm__ ("fnstenv %0" : "=m" (*&temp)); + __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp)); /* Set the relevant bits. */ temp.status_word |= FE_UNDERFLOW; /* Put the new data in effect. */ - __asm__ ("fldenv %0" : : "m" (*&temp)); + __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp)); /* And raise the exception. */ - __asm__ ("fwait"); + __asm__ __volatile__ ("fwait"); } /* Last: inexact. */ @@ -97,15 +98,15 @@ feraiseexcept (int excepts) /* Bah, we have to clear selected exceptions. Since there is no `fldsw' instruction we have to do it the hard way. */ - __asm__ ("fnstenv %0" : "=m" (*&temp)); + __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp)); /* Set the relevant bits. */ temp.status_word |= FE_INEXACT; /* Put the new data in effect. */ - __asm__ ("fldenv %0" : : "m" (*&temp)); + __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp)); /* And raise the exception. */ - __asm__ ("fwait"); + __asm__ __volatile__ ("fwait"); } } |