i386-c.c (ix86_target_macros): Define _SOFT_FLOAT for !TARGET_80387.

i386-c.c (ix86_target_macros): Define _SOFT_FLOAT for !TARGET_80387.

gcc/

	* config/i386/i386-c.c (ix86_target_macros): Define _SOFT_FLOAT
	for !TARGET_80387.
	* config/i386/rtemself.h (TARGET_OS_CPP_BUILTINS): Do not define
	_SOFT_FLOAT here.
	(LONG_DOUBLE_TYPE_SIZE): New define.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Ditto.

libgcc/

	* config/i386/32/sfp-machine.h (_FP_MUL_MEAT_S): Define.
	(_FP_MUL_MEAT_D): Ditto.
	(_FP_DIV_MEAT_S): Ditto.
	(_FP_DIV_MEAT_D): Ditto.
	* config.host (i[34567]86-*-rtems*): Remove i386/t-softfp, add
	t-softfp-sfdf and t-softfp to tmake_file.

M    gcc/config/i386/i386-c.c
M    gcc/config/i386/rtemself.h
M    gcc/ChangeLog
M    libgcc/ChangeLog
M    libgcc/config.host
M    libgcc/config/i386/32/sfp-machine.h

From-SVN: r204404