Revert suppression of __builtin_{read,write}_reversed for x86 and ARM,

for compatibility with earlier CompCert versions.
But don't use them in PackedStructs.


git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2216 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/regression/builtins-arm.c b/test/regression/builtins-arm.c
index 41ea88b..a80cdcd 100644
--- a/test/regression/builtins-arm.c
+++ b/test/regression/builtins-arm.c
@@ -14,6 +14,13 @@ int main(int argc, char ** argv)
   printf("cntlz(%x) = %d\n", x, __builtin_cntlz(x));
   printf("fsqrt(%f) = %f\n", a, __builtin_fsqrt(a));
   
+  printf ("read_16_rev = %x\n", __builtin_read16_reversed(&s));
+  printf ("read_32_rev = %x\n", __builtin_read32_reversed(&y));
+  __builtin_write16_reversed(&s, 0x789A);
+  printf ("after write_16_rev: %x\n", s);
+  __builtin_write32_reversed(&y, 0x12345678);
+  printf ("after write_32_rev: %x\n", y);
+
   return 0;
 }