[PATCH] sparc,rtems: add __FIX_LEON3FT_TN0018 for affected targets

Tue, 19 Jan 2021 01:40:05 -0800 

Enable a define FIX_LEON3FT_TN0018 for the LEON3FT targets affected
by the GRLIB-TN-0018 errata described here:
  https://www.gaisler.com/notes


gcc/

    * config/sparch/rtemself.h (TARGET_OS_CPP_BUILTINS): Add built-in define 
__FIX_LEON3FT_TN0018. 

---
 gcc/config/sparc/rtemself.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/config/sparc/rtemself.h b/gcc/config/sparc/rtemself.h
index 6570590..ddec98c 100644
--- a/gcc/config/sparc/rtemself.h
+++ b/gcc/config/sparc/rtemself.h
@@ -33,6 +33,8 @@
        builtin_assert ("system=rtems");        \
        if (sparc_fix_b2bst)                    \
          builtin_define ("__FIX_LEON3FT_B2BST"); \
+       if (sparc_fix_gr712rc || sparc_fix_ut700 || sparc_fix_ut699) \
+         builtin_define ("__FIX_LEON3FT_TN0018"); \
     }                                          \
   while (0)
 
-- 
2.7.4

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