[Bug target/95237] LOCAL_DECL_ALIGNMENT shrinks alignment, FAIL gcc.target/i386/pr69454-2.c

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95237

--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
ICEs are "fixed" by the first hunk, the testcase in Comment #0 by the second:

--cut here--
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 060e2df62ea..cd7abaf7e04 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -16752,6 +16752,7 @@ ix86_local_alignment (tree exp, machine_mode mode,
       decl = NULL;
     }

+#if 0
   /* Don't do dynamic stack realignment for long long objects with
      -mpreferred-stack-boundary=2.  */
   if (!TARGET_64BIT
@@ -16761,6 +16762,7 @@ ix86_local_alignment (tree exp, machine_mode mode,
       && (!type || !TYPE_USER_ALIGN (type))
       && (!decl || !DECL_USER_ALIGN (decl)))
     align = 32;
+#endif

   /* If TYPE is NULL, we are allocating a stack slot for caller-save
      register in MODE.  We will return the largest alignment of XF
@@ -16868,6 +16870,7 @@ ix86_minimum_alignment (tree exp, machine_mode mode,
   if (TARGET_64BIT || align != 64 || ix86_preferred_stack_boundary >= 64)
     return align;

+#if 0
   /* Don't do dynamic stack realignment for long long objects with
      -mpreferred-stack-boundary=2.  */
   if ((mode == DImode || (type && TYPE_MODE (type) == DImode))
@@ -16877,6 +16880,7 @@ ix86_minimum_alignment (tree exp, machine_mode mode,
       gcc_checking_assert (!TARGET_STV);
       return 32;
     }
+#endif

   return align;
 }
--cut here--