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(feraiseexcept): Mark tmp as early-clobber.

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This commit is contained in:
Ulrich Drepper 1998-06-27 09:51:32 +00:00
parent 94cd6191cd
commit 035d42d2a0
1 changed files with 5 additions and 5 deletions
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10
sysdeps/alpha/fpu/fraiseexcpt.c
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@ -39,28 +39,28 @@ feraiseexcept (int excepts)
{ {
/* One example of a invalid operation is 0 * Infinity. */ /* One example of a invalid operation is 0 * Infinity. */
__asm__ __volatile__("mult/sui $f31,%1,%0; trapb" __asm__ __volatile__("mult/sui $f31,%1,%0; trapb"
: "=f"(tmp) : "f"(HUGE_VAL)); : "=&f"(tmp) : "f"(HUGE_VAL));
} }
/* Next: division by zero. */ /* Next: division by zero. */
if (FE_DIVBYZERO & excepts) if (FE_DIVBYZERO & excepts)
{ {
__asm__ __volatile__("cmpteq $f31,$f31,%1; divt/sui %1,$f31,%0; trapb" __asm__ __volatile__("cmpteq $f31,$f31,%1; divt/sui %1,$f31,%0; trapb"
: "=f"(tmp), "=f"(dummy)); : "=&f"(tmp), "=f"(dummy));
} }
/* Next: overflow. */ /* Next: overflow. */
if (FE_OVERFLOW & excepts) if (FE_OVERFLOW & excepts)
{ {
__asm__ __volatile__("mult/sui %1,%1,%0; trapb" __asm__ __volatile__("mult/sui %1,%1,%0; trapb"
: "=f"(tmp) : "f"(DBL_MAX)); : "=&f"(tmp) : "f"(DBL_MAX));
} }
/* Next: underflow. */ /* Next: underflow. */
if (FE_UNDERFLOW & excepts) if (FE_UNDERFLOW & excepts)
{ {
__asm__ __volatile__("divt/sui %1,%2,%0; trapb" __asm__ __volatile__("divt/sui %1,%2,%0; trapb"
: "=f"(tmp) : "f"(DBL_MIN), : "=&f"(tmp) : "f"(DBL_MIN),
"f"((double) (1UL << 60))); "f"((double) (1UL << 60)));
} }
@ -68,6 +68,6 @@ feraiseexcept (int excepts)
if (FE_INEXACT & excepts) if (FE_INEXACT & excepts)
{ {
__asm__ __volatile__("divt/sui %1,%2,%0; trapb" __asm__ __volatile__("divt/sui %1,%2,%0; trapb"
: "=f"(tmp) : "f"(1.0), "f"(M_PI)); : "=&f"(tmp) : "f"(1.0), "f"(M_PI));
} }
} }