r207428 - in /trunk/gcc: ChangeLog config/i386/...

[hjl@gcc.gnu.org]

Author: hjl
Date: Mon Feb  3 15:18:44 2014
New Revision: 207428

URL: http://gcc.gnu.org/viewcvs?rev=207428&root=gcc&view=rev
Log:
Add -mlong-double-128 and make it default for 64-bit Bionic

gcc/

	* config/i386/i386.c (flag_opts): Add -mlong-double-128.
	(ix86_option_override_internal): Default long double to 64-bit for
	32-bit Bionic and to 128-bit for 64-bit Bionic.

	* config/i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Use 128 if
	TARGET_LONG_DOUBLE_128 is true.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.

	* config/i386/i386.opt (mlong-double-80): Negate -mlong-double-64.
	(mlong-double-64): Negate -mlong-double-128.
	(mlong-double-128): New option.

	* config/i386/i386-c.c (ix86_target_macros): Define
	__LONG_DOUBLE_128__ for TARGET_LONG_DOUBLE_128.

	* doc/invoke.texi: Document -mlong-double-128.

gcc/testsuite/

	* gcc.target/i386/long-double-64-1.c: Verify __multf3 isn't used.
	* 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-64-2.c: Limit to ia32.  Verify
	__multf3 isn't used.
	* gcc.target/i386/long-double-64-3.c: Likewise.
	* gcc.target/i386/long-double-128-1.c: New test.
	* gcc.target/i386/long-double-128-2.c: Likewise.
	* gcc.target/i386/long-double-128-3.c: Likewise.
	* gcc.target/i386/long-double-128-4.c: Likewise.
	* gcc.target/i386/long-double-128-5.c: Likewise.
	* gcc.target/i386/long-double-128-6.c: Likewise.
	* gcc.target/i386/long-double-128-7.c: Likewise.
	* gcc.target/i386/long-double-128-8.c: Likewise.
	* gcc.target/i386/long-double-128-9.c: Likewise.
	* gcc.target/i386/long-double-64-5.c: Likewise.
	* gcc.target/i386/long-double-64-6.c: Likewise.
	* gcc.target/i386/long-double-64-7.c: Likewise.
	* gcc.target/i386/long-double-64-8.c: Likewise.
	* gcc.target/i386/long-double-64-9.c: Likewise.
	* gcc.target/i386/long-double-80-10.c: Likewise.
	* gcc.target/i386/long-double-80-8.c: Likewise.
	* gcc.target/i386/long-double-80-9.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-1.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-2.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-3.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-4.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-5.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-6.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-7.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-8.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-128-9.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-5.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-6.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-7.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-8.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-9.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-10.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-8.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-9.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-c.c
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h
    trunk/gcc/config/i386/i386.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-1.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-2.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-3.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-64-4.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-1.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-2.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-3.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-4.c
    trunk/gcc/testsuite/gcc.target/i386/long-double-80-5.c