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crtfastmath.c: New file. 

* config/ia64/crtfastmath.c: New file.
        * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
        * config/ia64/linux.h (ENDFILE_SPEC): New.

From-SVN: r43515
This commit is contained in:
David Mosberger 2001-06-22 21:35:25 +00:00 committed by Richard Henderson
parent 41104fd541
commit 8b54e86833
4 changed files with 52 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2001-06-22 David Mosberger <davidm@hpl.hp.com>
* config/ia64/crtfastmath.c: New file.
* config/ia64/t-ia64 (EXTRA_PARTS): Include it.
* config/ia64/linux.h (ENDFILE_SPEC): New.
2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
* config/h8300/h8300.c (asm_file_start): Remove reference to

37
gcc/config/ia64/crtfastmath.c Normal file
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@ -0,0 +1,37 @@
/* Copyright (C) 2001 Free Software Foundation, Inc.
Contributed by David Mosberger <davidm@hpl.hp.com>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* 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 into combinations with other programs,
and to distribute those combinations 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 a combine
executable.) */
/* We could call fesetenv() here but that would create a confusing
dependency on libm (since that is where fesetenv() gets defined.
To avoid this, just do everything locally. */
#define FE_NONIEEE_ENV 0x0009a04d0270037f
static void __attribute__((constructor))
__ia64_set_fast_math (void)
{
__asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r"(FE_NONIEEE_ENV));
}

6
gcc/config/ia64/linux.h
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@ -16,6 +16,12 @@
#undef ASM_SPEC
#define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic}"
/* Similar to standard Linux, but adding -ffast-math support. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
/* Define this for shared library support because it isn't in the main
linux.h file. */

4
gcc/config/ia64/t-ia64
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@ -20,7 +20,7 @@ SHLIB_MAPFILES += $(srcdir)/config/ia64/libgcc-ia64.ver
# For svr4 we build crtbegin.o and crtend.o which serve to add begin and
# end labels to the .ctors and .dtors section when we link using gcc.
EXTRA_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o
EXTRA_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o
# Effectively disable the crtbegin/end rules using crtstuff.c
T = disable
@ -34,6 +34,8 @@ crtbeginS.o: $(srcdir)/config/ia64/crtbegin.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) -DSHARED -c -o crtbeginS.o -x assembler-with-cpp $(srcdir)/config/ia64/crtbegin.asm
crtendS.o: $(srcdir)/config/ia64/crtend.asm $(GCC_PASSES)
$(GCC_FOR_TARGET) -DSHARED -c -o crtendS.o -x assembler-with-cpp $(srcdir)/config/ia64/crtend.asm
crtfastmath.o: $(srcdir)/config/ia64/crtfastmath.c $(GCC_PASSES)
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o crtfastmath.o $(srcdir)/config/ia64/crtfastmath.c
EXTRA_HEADERS = $(srcdir)/config/ia64/ia64intrin.h
LIB2ADDEH = $(srcdir)/config/ia64/unwind-ia64.c $(srcdir)/unwind-sjlj.c