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Patch ieee128-lib-patch007b

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This commit is contained in:
Michael Meissner 2020-05-05 13:37:28 -04:00
parent 931ab4fd33
commit db23381603
2 changed files with 20 additions and 5 deletions
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7
gcc/ChangeLog.meissner
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@ -1,3 +1,10 @@
2020-05-05 Michael Meissner <meissner@linux.ibm.com>
(ieee128-lib-patch007b)
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Map all of
the special f128 constant builtins to the long double version if
long double is IEEE 128-bit.
2020-05-05 Michael Meissner <meissner@linux.ibm.com>
(ieee128-lib-patch005b)

18
gcc/config/rs6000/rs6000-c.c
View File

@ -675,13 +675,15 @@ 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. 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. */
/* Map the old _Float128 'q' builtins into the new 'f128' builtins if long
double is IBM or 64-bit.
However, if long double is IEEE 128-bit, map both sets of built-in
functions to the normal long double version. This shows up in nansf128
vs. nanf128. */
if (TARGET_FLOAT128_TYPE)
{
if (TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128)
if (FLOAT128_IEEE_P (TFmode))
{
builtin_define ("__builtin_fabsq=__builtin_fabsl");
builtin_define ("__builtin_copysignq=__builtin_copysignl");
@ -689,7 +691,13 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
builtin_define ("__builtin_nansq=__builtin_nansl");
builtin_define ("__builtin_infq=__builtin_infl");
builtin_define ("__builtin_huge_valq=__builtin_huge_vall");
builtin_define ("__builtin_fabsf128=__builtin_fabsl");
builtin_define ("__builtin_copysignf128=__builtin_copysignl");
builtin_define ("__builtin_nanf128=__builtin_nanl");
builtin_define ("__builtin_nansf128=__builtin_nansl");
builtin_define ("__builtin_inff128=__builtin_infl");
builtin_define ("__builtin_huge_valf128=__builtin_huge_vall");
}
else
{