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| author | Michael Meissner <Michael Meissner meissner@linux.ibm.com> | 2020-05-05 13:33:34 -0400 |
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| committer | Michael Meissner <Michael Meissner meissner@linux.ibm.com> | 2020-05-05 13:33:34 -0400 |
| commit | 8f2973cbf7ee6dd5313343c32e7abe6c51f678d4 (patch) | |
| tree | dcfdd378ed7316b2e44636a77080e83a5e87507b | |
| parent | 18c2f7a740a61e317e1911ee0ad7dea6043ea511 (diff) | |
| download | gcc-8f2973cbf7ee6dd5313343c32e7abe6c51f678d4.zip gcc-8f2973cbf7ee6dd5313343c32e7abe6c51f678d4.tar.gz gcc-8f2973cbf7ee6dd5313343c32e7abe6c51f678d4.tar.bz2 | |
Patch ieee128-lib-patch005b
| -rw-r--r-- | gcc/ChangeLog.meissner | 9 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000-c.c | 30 |
2 files changed, 31 insertions, 8 deletions
diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner index 342a439..4de6d61 100644 --- a/gcc/ChangeLog.meissner +++ b/gcc/ChangeLog.meissner @@ -1,5 +1,13 @@ 2020-05-05 Michael Meissner <meissner@linux.ibm.com> + (ieee128-lib-patch005b) + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If long + double is IEEE 128-bit, map the old 'q' built-in functions to + 'f128' versions. Also map the silent NaN f128 function to the + long double version. + +2020-05-05 Michael Meissner <meissner@linux.ibm.com> + (ieee128-lib-patch004b) * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add special cases for built-in functions that return or use long @@ -24,4 +32,3 @@ 2020-05-05 Michael Meissner <meissner@linux.ibm.com> Clone branch - diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c index e59eff9..206230a 100644 --- a/gcc/config/rs6000/rs6000-c.c +++ b/gcc/config/rs6000/rs6000-c.c @@ -675,15 +675,31 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile) builtin_define ("__builtin_vsx_xvnmsubmsp=__builtin_vsx_xvnmsubsp"); } - /* Map the old _Float128 'q' builtins into the new 'f128' builtins. */ + /* Map the old _Float128 'q' builtins into the new 'f128' builtins. However, + if long double is IEEE 128-bit, map the built-in functions to the normal + long double version. In addition, if the default long double type is + IEEE, the nans builtins seem to generate the normal nan builtin value. */ if (TARGET_FLOAT128_TYPE) { - builtin_define ("__builtin_fabsq=__builtin_fabsf128"); - builtin_define ("__builtin_copysignq=__builtin_copysignf128"); - builtin_define ("__builtin_nanq=__builtin_nanf128"); - builtin_define ("__builtin_nansq=__builtin_nansf128"); - builtin_define ("__builtin_infq=__builtin_inff128"); - builtin_define ("__builtin_huge_valq=__builtin_huge_valf128"); + if (TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128) + { + builtin_define ("__builtin_fabsq=__builtin_fabsl"); + builtin_define ("__builtin_copysignq=__builtin_copysignl"); + builtin_define ("__builtin_nanq=__builtin_nanl"); + builtin_define ("__builtin_nansq=__builtin_nansl"); + builtin_define ("__builtin_infq=__builtin_infl"); + builtin_define ("__builtin_huge_valq=__builtin_huge_vall"); + builtin_define ("__builtin_nansf128=__builtin_nansl"); + } + else + { + builtin_define ("__builtin_fabsq=__builtin_fabsf128"); + builtin_define ("__builtin_copysignq=__builtin_copysignf128"); + builtin_define ("__builtin_nanq=__builtin_nanf128"); + builtin_define ("__builtin_nansq=__builtin_nansf128"); + builtin_define ("__builtin_infq=__builtin_inff128"); + builtin_define ("__builtin_huge_valq=__builtin_huge_valf128"); + } } /* Tell users they can use __builtin_bswap{16,64}. */ |