[PATCH] Predefine __SIZEOF_FLOAT128__ on hppa hpux (PR target/56540)

[Jakub Jelinek]

Hi!

Similarly to the ia64 patch, on hppa __float128 seems to be conditionally
provided (guarded with HPUX_LONG_DOUBLE_LIBRARY), so this patch also
conditionally predefines __SIZEOF_FLOAT128__.

Ok for trunk?

2018-03-02  Jakub Jelinek  <ja...@redhat.com>

        PR target/56540
        * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine
        __SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY.

--- gcc/config/pa/pa.h.jj       2018-01-17 11:54:19.035804335 +0100
+++ gcc/config/pa/pa.h  2018-03-02 15:34:11.080879742 +0100
@@ -177,6 +177,8 @@ do {                                                        
        \
        builtin_define("_PA_RISC1_1");                          \
      else                                                      \
        builtin_define("_PA_RISC1_0");                          \
+     if (HPUX_LONG_DOUBLE_LIBRARY)                             \
+       builtin_define("__SIZEOF_FLOAT128__=16");               \
 } while (0)
 
 /* An old set of OS defines for various BSD-like systems.  */

        Jakub