(emit_push_insn): Handle failure of gen_movstr...

From-SVN: r3721

diff --git a/gcc/expr.c b/gcc/expr.c
index 3ff238ca1c15a16089e4c70a2493681d066e12bf..e54eeb938f5e46462b39fd887cbc517632892e6f 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1911,9 +1911,13 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
              && ((unsigned) INTVAL (size)
                  < (1 << (GET_MODE_BITSIZE (QImode) - 1))))
            {
-             emit_insn (gen_movstrqi (gen_rtx (MEM, BLKmode, temp),
-                                      xinner, size, GEN_INT (align)));
-             goto ret;
+             rtx pat = gen_movstrqi (gen_rtx (MEM, BLKmode, temp),
+                                     xinner, size, GEN_INT (align));
+             if (pat != 0)
+               {
+                 emit_insn (pat);
+                 goto ret;
+               }
            }
 #endif
 #ifdef HAVE_movstrhi
@@ -1922,25 +1926,37 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
              && ((unsigned) INTVAL (size)
                  < (1 << (GET_MODE_BITSIZE (HImode) - 1))))
            {
-             emit_insn (gen_movstrhi (gen_rtx (MEM, BLKmode, temp),
-                                      xinner, size, GEN_INT (align)));
-             goto ret;
+             rtx pat = gen_movstrhi (gen_rtx (MEM, BLKmode, temp),
+                                     xinner, size, GEN_INT (align));
+             if (pat != 0)
+               {
+                 emit_insn (pat);
+                 goto ret;
+               }
            }
 #endif
 #ifdef HAVE_movstrsi
          if (HAVE_movstrsi)
            {
-             emit_insn (gen_movstrsi (gen_rtx (MEM, BLKmode, temp),
-                                      xinner, size, GEN_INT (align)));
-             goto ret;
+             rtx pat = gen_movstrsi (gen_rtx (MEM, BLKmode, temp),
+                                     xinner, size, GEN_INT (align));
+             if (pat != 0)
+               {
+                 emit_insn (pat);
+                 goto ret;
+               }
            }
 #endif
 #ifdef HAVE_movstrdi
          if (HAVE_movstrdi)
            {
-             emit_insn (gen_movstrdi (gen_rtx (MEM, BLKmode, temp),
-                                      xinner, size, GEN_INT (align)));
-             goto ret;
+             rtx pat = gen_movstrdi (gen_rtx (MEM, BLKmode, temp),
+                                     xinner, size, GEN_INT (align));
+             if (pat != 0)
+               {
+                 emit_insn (pat);
+                 goto ret;
+               }
            }
 #endif