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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-5039] [Ada] RTEMS: use atomic primitive packages on aarch64
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https://gcc.gnu.org/g:f6174ec5bd9c2560f009c8c84170944b08535330

commit r12-5039-gf6174ec5bd9c2560f009c8c84170944b08535330
Author: Patrick Bernardi <bernardi@adacore.com>
Date:   Thu Oct 28 15:05:17 2021 -0400

    [Ada] RTEMS: use atomic primitive packages on aarch64
    
    gcc/ada/
    
            * Makefile.rtl: Add ATOMICS_TARGET_PAIRS and
            ATOMICS_BUILTINS_TARGET_PAIRS to LIBGNAT_TARGET_PAIRS for
            aarch64-rtems.

Diff:
---
 gcc/ada/Makefile.rtl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index 8eaddde5639..fb3f6f60a41 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -2072,6 +2072,13 @@ ifeq ($(strip $(filter-out rtems%,$(target_os))),)
   ifeq ($(strip $(filter-out aarch64% riscv%,$(target_cpu))),)
     LIBGNAT_TARGET_PAIRS += a-nallfl.ads<libgnat/a-nallfl__wraplf.ads
   endif
+
+  # Target CPUs that support atomic primitives
+  ifeq ($(strip $(filter-out aarch64%,$(target_cpu))),)
+     LIBGNAT_TARGET_PAIRS += \
+       $(ATOMICS_TARGET_PAIRS) \
+       $(ATOMICS_BUILTINS_TARGET_PAIRS)
+  endif
 endif
 
 # PikeOS