[gcc(refs/vendors/ARM/heads/arm-perf-staging)] i386: Define __ILP32__ and _ILP32 for all 32-bit targets

[Tamar Christina]

https://gcc.gnu.org/g:5ca86398aebbbd4d17787ac364c3da1febc3551f

commit 5ca86398aebbbd4d17787ac364c3da1febc3551f
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.

Diff:
---
 gcc/ChangeLog            | 8 ++++++++
 gcc/config/i386/i386-c.c | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9beb81aea1e..34eb0e87321 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2020-05-19  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	Backport from mainline
+	2020-05-10  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* config/i386/i386-c.c (ix86_target_macros): Define _ILP32 and
+	__ILP32__ for 32-bit targets.
+
 2020-05-19  Tobias Burnus  <tobias@codesourcery.com>
 
 	Backport from mainline
diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 21ed7f4e99f..a4b9b786fb9 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -697,6 +697,8 @@ 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)