https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87496
--- Comment #16 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Peter Bergner <berg...@gcc.gnu.org>: https://gcc.gnu.org/g:063ef668c716ae0bf9c0f79ae62243e89075b475 commit r10-10504-g063ef668c716ae0bf9c0f79ae62243e89075b475 Author: Peter Bergner <berg...@linux.ibm.com> Date: Fri Mar 18 14:09:26 2022 -0500 rs6000: Allow -mlong-double-64 after -mabi={ibm,ieee}longdouble [PR104208, PR87496] The glibc build is showing a build error due to extra "error" checking from my PR87496 fix. That checking was overeager, disallowing setting the long double size to 64-bits if the 128-bit long double ABI had already been specified. Now we only emit an error if we specify a 128-bit long double ABI if our long double size is not 128 bits. This also fixes an erroneous error when -mabi=ieeelongdouble is used and ISA 2.06 is not enabled, but the long double size has been changed to 64 bits. 2022-03-04 Peter Bergner <berg...@linux.ibm.com> gcc/ PR target/87496 PR target/104208 * config/rs6000/rs6000.c (rs6000_option_override_internal): Make the ISA 2.06 requirement for -mabi=ieeelongdouble conditional on -mlong-double-128. Move the -mabi=ieeelongdouble and -mabi=ibmlongdouble error checking from here... * common/config/rs6000/rs6000-common.c (rs6000_handle_option): ... to here. gcc/testsuite/ PR target/87496 PR target/104208 * gcc.target/powerpc/pr104208-1.c: New test. * gcc.target/powerpc/pr104208-2.c: Likewise. * gcc.target/powerpc/pr87496-2.c: Swap long double options to trigger the expected error. * gcc.target/powerpc/pr87496-3.c: Likewise. (cherry picked from commit cb16bc3b5f34733ef9bbf8d2e3acacdecb099a62)
