On Fri, Jan 31, 2014 at 2:59 PM, H.J. Lu <hongjiu...@intel.com> wrote:
> For 64-bit Android, long double is 128-bit IEEE-754 floating point type. > This patch adds -mlong-double-128 to i386 and makes it default for 64-bit > Bionic. I only added MASK_LONG_DOUBLE_128. I made -mlong-double-128, > -mlong-double-64 and -mlong-double-80 negate each other so that the > last one on command line wins. It os OK since we don't support > -mlong-double-xxx in target attribute. I added some testcases to verify > it works correctly. OK for trunk? > > Thanks. > > > H.J. > --- > gcc/ > > 2014-01-30 H.J. Lu <hongjiu...@intel.com> > > * 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/ > > 2014-01-30 H.J. Lu <hongjiu...@intel.com> > > * 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. OK for mainline as far as x86 is concerned, but please check if you also need Android maintainer approval. Thanks, Uros.
