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	LONG_DOUBLE_TYPE_SIZE if not defined.
	Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
	LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
	* real.c: Likewise.
	* gengenrtl.c: Likewise.
	* print-rtl.c: Likewise.
	* rtl.c: Likewise.
	* config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
	MASK_LONG_DOUBLE_128.
	* config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
	* config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
	* config/sparc/linux64 (TARGET_DEFAULT): Likewise.
	(SUBTARGET_SWITCHES): Define.
	(CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
	with -mlong-double-128.
	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
	(CC1_SPEC): Include -mlong-double-{64,128} as needed.
	* config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
	(CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
	with -mlong-double-128.
	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
	* config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
	TARGET_LONG_DOUBLE_128): Define.
	* config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
	* config/sparc/sparc.c (sparc_override_options): Disallow 64bit
	long double on TARGET_ARCH64.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32367 138bc75d-0d04-0410-961f-82ee72b054a4