[Bug target/99708] __SIZEOF_FLOAT128__ not defined on powerpc64le-linux

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99708

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It looks like r12-7271-g687e57d7ac741d added it:

--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -623,7 +623,11 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
   if (TARGET_FRSQRTES)
     builtin_define ("__RSQRTEF__");
   if (TARGET_FLOAT128_TYPE)
-    builtin_define ("__FLOAT128_TYPE__");
+      builtin_define ("__FLOAT128_TYPE__");
+  if (ibm128_float_type_node)
+    builtin_define ("__SIZEOF_IBM128__=16");
+  if (ieee128_float_type_node)
+    builtin_define ("__SIZEOF_FLOAT128__=16");
 #ifdef TARGET_LIBC_PROVIDES_HWCAP_IN_TCB
   builtin_define ("__BUILTIN_CPU_SUPPORTS__");
 #endif