On Wed, Aug 22, 2012 at 4:41 PM, H.J. Lu <hongjiu...@intel.com> wrote:
> Long double is the same as double in Bionic. This patch > > 1. Add -mlong-double-80: > 80-bit long double > Enabled for Linux by default. > 2. Add -mlong-double-64: > 64-bit long double > Predefine a new C/C++ macro, __LONG_DOUBLE_64__. > Enabled for Android by default. > > __float80 can still be used for 80-bit long double. Tested on Linux/x86 > and Android/x86. OK to install? > > 2012-08-22 H.J. Lu <hongjiu...@intel.com> > > * 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/ > > 2012-08-22 H.J. Lu <hongjiu...@intel.com> > > * 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/ > > 2012-08-22 H.J. Lu <hongjiu...@intel.com> > > * config/i386/t-linux (HOST_LIBGCC2_CFLAGS): New. OK. Thanks, Uros.
