config.gcc (mips64*-*-linux*, [...]): Add crtfastmath.o to extra_parts.

gcc/
	* config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*,
	mips*-*-linux*): Add crtfastmath.o to extra_parts.
	* config/mips/crtfastmath.c: New.
	* config/mips/linux.h (ENDFILE_SPEC): New.

libgcc/
	* config.host (mips64*-*-linux*, mips*-*-linux*): Add mips/t-crtfm
	to tmake_file.  Add crtfastmath.o to extra_parts.
	* config/mips/t-crtfm: New.

From-SVN: r160655
This commit is contained in:
Kazu Hirata 2010-06-12 07:44:51 +00:00 committed by Kazu Hirata
parent b53cd1c5cf
commit 48b09a925e
7 changed files with 81 additions and 0 deletions

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@ -1,3 +1,10 @@
2010-06-12 Kazu Hirata <kazu@codesourcery.com>
* config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*,
mips*-*-linux*): Add crtfastmath.o to extra_parts.
* config/mips/crtfastmath.c: New.
* config/mips/linux.h (ENDFILE_SPEC): New.
2010-06-12 Sebastian Pop <sebastian.pop@amd.com>
* graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass

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@ -1750,6 +1750,7 @@ mips64*-*-linux* | mipsisa64*-*-linux*)
tm_defines="${tm_defines} MIPS_ISA_DEFAULT=65"
;;
esac
extra_parts="$extra_parts crtfastmath.o"
gnu_ld=yes
gas=yes
test x$with_llsc != x || with_llsc=yes
@ -1764,6 +1765,7 @@ mips*-*-linux*) # Linux MIPS, either endian.
mipsisa32*)
tm_defines="${tm_defines} MIPS_ISA_DEFAULT=32"
esac
extra_parts="$extra_parts crtfastmath.o"
test x$with_llsc != x || with_llsc=yes
;;
mips*-*-openbsd*)

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@ -0,0 +1,53 @@
/* Copyright (C) 2010 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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 3, or (at your option)
any later version.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License
and a copy of the GCC Runtime Library Exception along with this
program; see the files COPYING3 and COPYING.RUNTIME respectively.
If not, see <http://www.gnu.org/licenses/>. */
#ifdef __mips_hard_float
/* Flush denormalized numbers to zero. */
#define _FPU_FLUSH_TZ 0x1000000
/* Rounding control. */
#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
#define _FPU_RC_ZERO 0x1
#define _FPU_RC_UP 0x2
#define _FPU_RC_DOWN 0x3
/* Enable interrupts for IEEE exceptions. */
#define _FPU_IEEE 0x00000F80
/* Macros for accessing the hardware control word. */
#define _FPU_GETCW(cw) __asm__ ("cfc1 %0,$31" : "=r" (cw))
#define _FPU_SETCW(cw) __asm__ ("ctc1 %0,$31" : : "r" (cw))
static void __attribute__((constructor))
set_fast_math (void)
{
unsigned int fcr;
/* Flush to zero, round to nearest, IEEE exceptions disabled. */
fcr = _FPU_FLUSH_TZ | _FPU_RC_NEAREST;
_FPU_SETCW(fcr);
}
#endif /* __mips_hard_float */

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@ -147,3 +147,9 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define DRIVER_SELF_SPECS \
BASE_DRIVER_SELF_SPECS, \
LINUX_DRIVER_SELF_SPECS
/* Similar to standard Linux, but adding -ffast-math support. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"

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@ -1,3 +1,9 @@
2010-06-12 Kazu Hirata <kazu@codesourcery.com>
* config.host (mips64*-*-linux*, mips*-*-linux*): Add mips/t-crtfm
to tmake_file. Add crtfastmath.o to extra_parts.
* config/mips/t-crtfm: New.
2010-05-19 Joel Sherrill <joel.sherrill@oarcorp.com>
* config.host (sparc64-*-rtems*): New target.

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@ -400,8 +400,12 @@ mips-sgi-irix[56]*)
mips*-*-netbsd*) # NetBSD/mips, either endian.
;;
mips64*-*-linux*)
extra_parts="$extra_parts crtfastmath.o"
tmake_file="{$tmake_file} mips/t-crtfm"
;;
mips*-*-linux*) # Linux MIPS, either endian.
extra_parts="$extra_parts crtfastmath.o"
tmake_file="{$tmake_file} mips/t-crtfm"
;;
mips*-*-openbsd*)
;;

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@ -0,0 +1,3 @@
crtfastmath.o: $(gcc_srcdir)/config/mips/crtfastmath.c
$(gcc_compile) -c $(gcc_srcdir)/config/mips/crtfastmath.c