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Add -mlong-double-64/-mlong-double-80 to i386

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gcc/

	* doc/invoke.texi: Document -mlong-double-64/-mlong-double-80.

	* config/i386/i386.c (flag_opts): Add -mlong-double-64.
	(TARGET_HAS_BIONIC): Default long double to 64-bit for Bionic.

	* config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 64 if
	TARGET_LONG_DOUBLE_64 is true.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New macro.
	(WIDEST_HARDWARE_FP_SIZE): Defined to 80.

	* config/i386/i386.opt (mlong-double-80): New option.
	(mlong-double-64): Likewise.

	* config/i386/i386-c.c (ix86_target_macros): Define
	__LONG_DOUBLE_64__ for TARGET_LONG_DOUBLE_64.

gcc/testsuite/

	* gcc.target/i386/long-double-64-1.c: New file.
	* gcc.target/i386/long-double-64-2.c: Likewise.
	* gcc.target/i386/long-double-64-3.c: Likewise.
	* gcc.target/i386/long-double-64-4.c: Likewise.
	* gcc.target/i386/long-double-80-1.c: Likewise.
	* gcc.target/i386/long-double-80-2.c: Likewise.
	* gcc.target/i386/long-double-80-3.c: Likewise.
	* gcc.target/i386/long-double-80-4.c: Likewise.
	* gcc.target/i386/long-double-80-5.c: Likewise.
	* gcc.target/i386/long-double-80-6.c: Likewise.
	* gcc.target/i386/long-double-80-7.c: Likewise.

libgcc/

	* config/i386/t-linux (HOST_LIBGCC2_CFLAGS): New.

From-SVN: r190599
This commit is contained in:
H.J. Lu 2012-08-22 19:46:28 +00:00 • committed by H.J. Lu
parent a8a68bb00a
commit c637141af0
20 changed files with 196 additions and 3 deletions
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2
libgcc/config/i386/t-linux
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@ -2,3 +2,5 @@
# Need to support TImode for x86. Override the settings from
# t-slibgcc-elf-ver and t-linux
SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/i386/libgcc-glibc.ver
HOST_LIBGCC2_CFLAGS += -mlong-double-80