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This patch ccombines two patches: 1) If GLIBC is 2.32 or newer, and the language is C or C++, allow the user to change the long double type without having to use -Wno-psabi. 2) Adjust the warnings for intermixing __float128 and __ibm128 to accomidate the future change to allow long double to use the IEEE 128-bit format. gcc/ 2020-10-29 Michael Meissner <meissner@linux.ibm.com> * config/rs6000/rs6000.c (rs6000_option_override_internal): Allow long double type to be changed for C/C++ if glibc 2.32 or newer. (rs6000_invalid_binary_op): Update error messages about mixing IBM long double and IEEE 128-bit. gcc/testsuite/ 2020-10-27 Michael Meissner <meissner@linux.ibm.com> * gcc.target/powerpc/float128-mix-2.c: New test. * gcc.target/powerpc/float128-mix-3.c: New test. * gcc.target/powerpc/float128-mix.c: Update failure messages.
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