* config/epiphany/predicates.md (move_double_src_operand):

        Check that misaligned addresses are offsettable.
        (move_dest_operand): Likewise.
        * config/epiphany/epiphany.c (REG_OK_FOR_BASE_P): Don't force a
        misaligned stack address to reg+index.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193894 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/config/epiphany/predicates.md b/gcc/config/epiphany/predicates.md
index 4cbff589b8e..f47f832c6e3 100644
--- a/gcc/config/epiphany/predicates.md
+++ b/gcc/config/epiphany/predicates.md
@@ -164,6 +164,9 @@
 (define_predicate "move_double_src_operand"
   (match_code "reg,subreg,mem,const_int,const_double,const_vector")
 {
+  if (GET_CODE (op) == MEM && misaligned_operand (op, mode)
+      && !address_operand (plus_constant (XEXP (op, 0), 4), SImode))
+    return 0;
   return general_operand (op, mode);
 })
 
@@ -188,6 +191,9 @@
 	  return register_operand (op, mode);
 	}
     case MEM :
+      if (GET_MODE_SIZE (mode) == 8 && misaligned_operand (op, mode)
+	  && !address_operand (plus_constant (XEXP (op, 0), 4), SImode))
+	return 0;
       return address_operand (XEXP (op, 0), mode);
     default :
       return 0;