*** empty log message ***

From-SVN: r1126

diff --git a/gcc/integrate.c b/gcc/integrate.c
index fae93a1a3948d99c352620344ab31d10acba7527..243f56d5aa73823cb3fdd56830fc83f62d44bed5 100644 (file)
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -1464,9 +1464,20 @@ expand_inline_function (fndecl, parms, target, ignore, type, structure_value_add
              && GET_CODE (pattern) == SET
              && GET_CODE (SET_DEST (pattern)) == REG
              && REG_FUNCTION_VALUE_P (SET_DEST (pattern)))
-           break;
-
-         copy = emit_insn (copy_rtx_and_substitute (pattern, map));
+           {
+             if (volatile_refs_p (SET_SRC (pattern)))
+               {
+                 /* If we must not delete the source,
+                    load it into a new temporary.  */
+                 copy = emit_insn (copy_rtx_and_substitute (pattern, map));
+                 SET_DEST (pattern)
+                   = gen_reg_rtx (GET_MODE (SET_DEST (pattern)));
+               }
+             else
+               break;
+           }
+         else
+           copy = emit_insn (copy_rtx_and_substitute (pattern, map));
          /* REG_NOTES will be copied later.  */
 
 #ifdef HAVE_cc0