https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92055
--- Comment #6 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- Author: gjl Date: Thu Nov 7 09:19:31 2019 New Revision: 277908 URL: https://gcc.gnu.org/viewcvs?rev=277908&root=gcc&view=rev Log: gcc/ Support 64-bit double and 64-bit long double configurations. PR target/92055 * config.gcc (tm_defines) [avr]: Set from --with-double=, --with-long-double=. * config/avr/t-multilib: Remove. * config/avr/t-avr: Output of genmultilib.awk is now fully dynamically generated and no more part of the repo. (HAVE_DOUBLE_MULTILIB, HAVE_LONG_DOUBLE_MULTILIB): New variables. Pass them down to... * config/avr/genmultilib.awk: ...here and handle them. * gcc/config/avr/avr.opt (-mdouble=, avr_double). New option and var. (-mlong-double=, avr_long_double). New option and var. * common/config/avr/avr-common.c (opts.h, diagnostic.h): Include. (TARGET_OPTION_OPTIMIZATION_TABLE) <-mdouble=, -mlong-double=>: Set default as requested by --with-double= (TARGET_HANDLE_OPTION): Define to this... (avr_handle_option): ...new hook worker. * config/avr/avr.h (DOUBLE_TYPE_SIZE): Define to avr_double. (LONG_DOUBLE_TYPE_SIZE): Define to avr_long_double. (avr_double_lib): New proto for spec function. (EXTRA_SPEC_FUNCTIONS) <double-lib>: Add. (DRIVER_SELF_SPECS): Call %:double-lib. * config/avr/avr.c (avr_option_override): Assert sizeof(long double) >= sizeof(double) for the target. * config/avr/avr-c.c (avr_cpu_cpp_builtins) [__HAVE_DOUBLE_MULTILIB__, __HAVE_LONG_DOUBLE_MULTILIB__] [__HAVE_DOUBLE64__, __HAVE_DOUBLE32__, __DEFAULT_DOUBLE__=] [__HAVE_LONG_DOUBLE64__, __HAVE_LONG_DOUBLE32__] [__HAVE_LONG_DOUBLE_IS_DOUBLE__, __DEFAULT_LONG_DOUBLE__=]: New built-in define depending on --with-double=, --with-long-double=. * config/avr/driver-avr.c (avr_double_lib): New spec function. * doc/invoke.tex (AVR Options) <-mdouble=,-mlong-double=>: Doc. * doc/install.texi (Cross-Compiler-Specific Options) <--with-double=, --with-long-double=>: Doc. libgcc/ Support 64-bit double and 64-bit long double configurations. PR target/92055 * config/avr/t-avr (HOST_LIBGCC2_CFLAGS): Only add -DF=SF if long double is a 32-bit type. * config/avr/t-avrlibc: Copy double64 and long-double64 multilib(s) from the vanilla one. * config/avr/t-copy-libgcc: New Makefile snip. Added: trunk/libgcc/config/avr/t-copy-libgcc Removed: trunk/gcc/config/avr/t-multilib Modified: trunk/gcc/ChangeLog trunk/gcc/common/config/avr/avr-common.c trunk/gcc/config.gcc trunk/gcc/config/avr/avr-c.c trunk/gcc/config/avr/avr.c trunk/gcc/config/avr/avr.h trunk/gcc/config/avr/avr.opt trunk/gcc/config/avr/driver-avr.c trunk/gcc/config/avr/genmultilib.awk trunk/gcc/config/avr/t-avr trunk/gcc/doc/install.texi trunk/gcc/doc/invoke.texi trunk/libgcc/ChangeLog trunk/libgcc/config.host trunk/libgcc/config/avr/t-avr trunk/libgcc/config/avr/t-avrlibc
