crtprec.c: Move to ../libgcc/config/i386.

	gcc:
	* config/i386/crtprec.c: Move to ../libgcc/config/i386.
	* config/i386/t-crtpc: Remove.
	* config/t-darwin (EXTRA_MULTILIB_PARTS): Remove.
	* config.gcc (i[34567]86-*-darwin*): Remove i386/t-crtpc from
	tmake_file.
	(x86_64-*-darwin*): Likewise.
	(i[34567]86-*-linux*): Likewise.
	(x86_64-*-linux*): Likewise.

	* config/i386/sol2.h (ENDFILE_SPEC): Redefine.
	Handle -mpc32, -mpc64, -mpc80.

	libgcc:
	* config/i386/crtprec.c: New file.
	* config/i386/t-crtpc: Use $(srcdir) to refer to crtprec.c.
	* config.host (i[34567]86-*-darwin*): Add i386/t-crtpc to tmake_file.
	Add crtprec32.o, crtprec64.o, crtprec80.o to extra_parts.
	(x86_64-*-darwin*): Likewise.
	(i[34567]86-*-solaris2*: Likewise.

	gcc/testsuite:
	* gcc.c-torture/execute/990127-2.x: Use -mpc64 on i?86-*-darwin*,
	i?86-*-solaris2*, x86_64-*-darwin*, x86_64-*-solaris2*.

From-SVN: r176242

3 files changed, 8 insertions, 81 deletions

diff --git a/gcc/config/i386/crtprec.c b/gcc/config/i386/crtprec.c
deleted file mode 100644
index 4f42a8fa1c1..00000000000
--- a/gcc/config/i386/crtprec.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2007, 2009 Free Software Foundation, Inc.
- *
- * 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 3, or (at your option) any
- * later version.
- * 
- * 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.
- * 
- * 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/>.
- */
-
-#if __PREC == 32
- #define X87CW		(0 << 8)	/* Single precision (24 bits) */
-#elif __PREC == 64
- #define X87CW		(2 << 8)	/* Double precision (53 bits) */
-#elif __PREC == 80
- #define X87CW		(3 << 8)	/* Extended precision (64 bits) */
-#else
- #error "Wrong precision requested."
-#endif
-
-#define X87CW_PCMASK	(3 << 8)
-
-static void __attribute__((constructor))
-set_precision (void)
-{
-  unsigned short int cwd;
-
-  asm volatile ("fstcw\t%0" : "=m" (cwd));
-
-  cwd &= ~X87CW_PCMASK;
-  cwd |= X87CW;
-
-  asm volatile ("fldcw\t%0" : : "m" (cwd));
-}
diff --git a/gcc/config/i386/sol2.h b/gcc/config/i386/sol2.h
index f620de5fa44..e0e7c5b6a1e 100644
--- a/gcc/config/i386/sol2.h
+++ b/gcc/config/i386/sol2.h
@@ -70,6 +70,14 @@ along with GCC; see the file COPYING3.  If not see
 #undef ASM_SPEC
 #define ASM_SPEC ASM_SPEC_BASE
 
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+   %{mpc32:crtprec32.o%s} \
+   %{mpc64:crtprec64.o%s} \
+   %{mpc80:crtprec80.o%s} \
+   crtend.o%s crtn.o%s"
+
 #define SUBTARGET_CPU_EXTRA_SPECS \
   { "cpp_subtarget",	 CPP_SUBTARGET_SPEC },		\
   { "asm_cpu",		 ASM_CPU_SPEC },		\
diff --git a/gcc/config/i386/t-crtpc b/gcc/config/i386/t-crtpc
deleted file mode 100644
index c165772f4ef..00000000000
--- a/gcc/config/i386/t-crtpc
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright (C) 2007 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.
-#
-# You should have received a copy of the GNU General Public License
-# along with GCC; see the file COPYING3.  If not see
-# <http://www.gnu.org/licenses/>.
-
-EXTRA_PARTS += crtprec32.o crtprec64.o crtprec80.o
-
-$(T)crtprec32.o: $(srcdir)/config/i386/crtprec.c $(GCC_PASSES)
-	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(MULTILIB_CFLAGS) -D__PREC=32 -c \
-		$(srcdir)/config/i386/crtprec.c \
-		-o $(T)crtprec32$(objext)
-
-$(T)crtprec64.o: $(srcdir)/config/i386/crtprec.c $(GCC_PASSES)
-	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(MULTILIB_CFLAGS) -D__PREC=64 -c \
-		$(srcdir)/config/i386/crtprec.c \
-		-o $(T)crtprec64$(objext)
-
-$(T)crtprec80.o: $(srcdir)/config/i386/crtprec.c $(GCC_PASSES)
-	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(MULTILIB_CFLAGS) -D__PREC=80 -c \
-		$(srcdir)/config/i386/crtprec.c \
-		-o $(T)crtprec80$(objext)