[gcc(refs/vendors/ibm/heads/gcc-9-branch)] i386: Define __ILP32__ and _ILP32 for all 32-bit targets

[Peter Bergner]

https://gcc.gnu.org/g:a5a3b1326f07616ba984199d9a916f6dc59ad597

commit a5a3b1326f07616ba984199d9a916f6dc59ad597
Author: Gerald Pfeifer <gerald@pfeifer.com>
Date:   Fri May 8 00:48:52 2020 +0200

    i386: Define __ILP32__ and _ILP32 for all 32-bit targets
    
            * config/i386/i386-c.c (ix86_target_macros): Define _ILP32 and
            __ILP32__ for 32-bit targets.
    
    (cherry picked from commit 13a46321516e2efd3bbb1f1899c539c6724240a9)

Diff:
---
 gcc/config/i386/i386-c.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 5e7e46fcebe..f06fea1a8a5 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -675,6 +675,8 @@ ix86_target_macros (void)
       cpp_assert (parse_in, "cpu=i386");
       cpp_assert (parse_in, "machine=i386");
       builtin_define_std ("i386");
+      cpp_define (parse_in, "_ILP32");
+      cpp_define (parse_in, "__ILP32__");
     }
 
   if (!TARGET_80387)