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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-5034] [Ada] Use atomics in runtime on ARM and Aarch64 VxWorks
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https://gcc.gnu.org/g:c8a0089baf7597baca757ee173a2a948c9697567

commit r12-5034-gc8a0089baf7597baca757ee173a2a948c9697567
Author: Piotr Trojanek <trojanek@adacore.com>
Date:   Wed Oct 27 13:33:53 2021 +0200

    [Ada] Use atomics in runtime on ARM and Aarch64 VxWorks
    
    gcc/ada/
    
            * Makefile.rtl (ARM and Aarch64 VxWorks): Use atomic variants of
            runtime units.
            * libgnat/a-strunb__shared.ads: Mention AARCH64 and ARM as
            supported.
            * libgnat/s-atocou.ads: Likewise.

Diff:
---
 gcc/ada/Makefile.rtl                 | 4 +++-
 gcc/ada/libgnat/a-strunb__shared.ads | 2 ++
 gcc/ada/libgnat/s-atocou.ads         | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index ebfbe95c5e9..8eaddde5639 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -1362,7 +1362,9 @@ ifeq ($(strip $(filter-out aarch64 arm% coff wrs vx%,$(target_cpu) $(target_vend
   g-socthi.ads<libgnat/g-socthi__vxworks.ads \
   g-socthi.adb<libgnat/g-socthi__vxworks.adb \
   g-sopowa.adb<libgnat/g-sopowa__posix.adb \
-  g-stsifd.adb<libgnat/g-stsifd__sockets.adb
+  g-stsifd.adb<libgnat/g-stsifd__sockets.adb \
+  $(ATOMICS_TARGET_PAIRS) \
+  $(ATOMICS_BUILTINS_TARGET_PAIRS)
 
   ifeq ($(strip $(filter-out aarch64, $(target_cpu))),)
     ARCH_STR=aarch64
diff --git a/gcc/ada/libgnat/a-strunb__shared.ads b/gcc/ada/libgnat/a-strunb__shared.ads
index 2cf678002ba..34430a79c95 100644
--- a/gcc/ada/libgnat/a-strunb__shared.ads
+++ b/gcc/ada/libgnat/a-strunb__shared.ads
@@ -45,6 +45,8 @@ pragma Assertion_Policy (Pre => Ignore);
 
 --  This version is supported on:
 --    - all Alpha platforms
+--    - all AARCH64 platforms
+--    - all ARM platforms
 --    - all ia64 platforms
 --    - all PowerPC platforms
 --    - all SPARC V9 platforms
diff --git a/gcc/ada/libgnat/s-atocou.ads b/gcc/ada/libgnat/s-atocou.ads
index 9488b6dd731..9b25cbaebea 100644
--- a/gcc/ada/libgnat/s-atocou.ads
+++ b/gcc/ada/libgnat/s-atocou.ads
@@ -31,6 +31,8 @@
 
 --  This package provides atomic counter on platforms where it is supported:
 --    - all Alpha platforms
+--    - all AARCH64 platforms
+--    - all ARM platforms
 --    - all ia64 platforms
 --    - all PowerPC platforms
 --    - all SPARC V9 platforms