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Update. 

* sysdeps/alpha/fpu/s_floor.c (__floor): Don't depend on inlining,
	duplicate the code.
	* sysdeps/alpha/fpu/s_floorf.c (__floorf): Likewise.
This commit is contained in:
Ulrich Drepper 1999-01-29 10:58:02 +00:00
parent baa9f3f31e
commit d51913e933
3 changed files with 41 additions and 4 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
1999-01-29 Ulrich Drepper <drepper@cygnus.com> 1999-01-29 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/alpha/fpu/s_floor.c (__floor): Don't depend on inlining,
duplicate the code.
* sysdeps/alpha/fpu/s_floorf.c (__floorf): Likewise.
* sysdeps/i386/Versions: Exports functions from libgcc sinc ethis * sysdeps/i386/Versions: Exports functions from libgcc sinc ethis
is what was done in glibc 2.0. is what was done in glibc 2.0.
* sysdeps/m68k/Versions: Likewise. New file. * sysdeps/m68k/Versions: Likewise. New file.

17
sysdeps/alpha/fpu/s_floor.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1998 Free Software Foundation, Inc. /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Richard Henderson. Contributed by Richard Henderson.
@ -29,7 +29,20 @@
double double
__floor (double x) __floor (double x)
{ {
return __i_floor(x); if (x != 0 && fabs (x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
{
double __tmp1;
__asm (
#ifdef _IEEE_FP_INEXACT
"cvttq/svim %2,%1\n\t"
#else
"cvttq/svm %2,%1\n\t"
#endif
"cvtqt/m %1,%0\n\t"
: "=f"(x), "=&f"(__tmp1)
: "f"(x));
}
return x;
} }
weak_alias (__floor, floor) weak_alias (__floor, floor)

24
sysdeps/alpha/fpu/s_floorf.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1998 Free Software Foundation, Inc. /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Richard Henderson. Contributed by Richard Henderson.
@ -29,7 +29,27 @@
float float
__floorf (float x) __floorf (float x)
{ {
return __i_floorf(x); /* Check not zero since floor(-0) == -0. */
if (x != 0 && fabsf (x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
{
/* Note that Alpha S_Floating is stored in registers in a
restricted T_Floating format, so we don't even need to
convert back to S_Floating in the end. The initial
conversion to T_Floating is needed to handle denormals. */
float __tmp1, __tmp2;
__asm ("cvtst/s %3,%2\n\t"
#ifdef _IEEE_FP_INEXACT
"cvttq/svim %2,%1\n\t"
#else
"cvttq/svm %2,%1\n\t"
#endif
"cvtqt/m %1,%0\n\t"
: "=f"(x), "=&f"(__tmp1), "=&f"(__tmp2)
: "f"(x));
}
return x;
} }
weak_alias (__floorf, floorf) weak_alias (__floorf, floorf)