This commit was manufactured by cvs2svn to create branch
'gcc-3_1-branch'. From-SVN: r51904
This commit is contained in:
parent
4631b49629
commit
5c63fb35ea
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* Copyright (C) 2001 Free Software Foundation, Inc.
|
||||
* Contributed by David S. Miller (davem@redhat.com)
|
||||
*
|
||||
* This file is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2, or (at your option) any
|
||||
* later version.
|
||||
*
|
||||
* In addition to the permissions in the GNU General Public License, the
|
||||
* Free Software Foundation gives you unlimited permission to link the
|
||||
* compiled version of this file with other programs, and to distribute
|
||||
* those programs without any restriction coming from the use of this
|
||||
* file. (The General Public License restrictions do apply in other
|
||||
* respects; for example, they cover modification of the file, and
|
||||
* distribution when not linked into another program.)
|
||||
*
|
||||
* This file is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* As a special exception, if you link this library with files
|
||||
* compiled with GCC to produce an executable, this does not cause
|
||||
* the resulting executable to be covered by the GNU General Public License.
|
||||
* This exception does not however invalidate any other reasons why
|
||||
* the executable file might be covered by the GNU General Public License.
|
||||
*/
|
||||
|
||||
#define FPRS_NS (1 << 22) /* Non-Standard fpu results */
|
||||
|
||||
static void __attribute__((constructor))
|
||||
set_fast_math (void)
|
||||
{
|
||||
unsigned int fsr;
|
||||
|
||||
/* This works for the 64-bit case because, even if 32-bit ld/st of
|
||||
the fsr register modified the upper 32-bit, the only thing up there
|
||||
are the 3 other condition codes which are "do not care" at the time
|
||||
that this runs. */
|
||||
|
||||
__asm__("st %%fsr, %0"
|
||||
: "=m" (fsr));
|
||||
|
||||
fsr |= FPRS_NS;
|
||||
|
||||
__asm__("ld %0, %%fsr"
|
||||
: : "m" (fsr));
|
||||
}
|
|
@ -0,0 +1,4 @@
|
|||
EXTRA_PARTS += crtfastmath.o
|
||||
|
||||
crtfastmath.o: $(srcdir)/config/sparc/crtfastmath.c $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o crtfastmath.o $(srcdir)/config/sparc/crtfastmath.c
|
Loading…
Reference in New Issue