re PR target/43744 (SH: Error: pcrel too far)

[gcc.git] / gcc / config / sh / sh.c

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 04b98c1eb22fb811dc66432ca571b9926e341a33..a3084b91a0b3980b5b7f8698b4ed9947bbaffe21 100644 (file)
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -4410,6 +4410,7 @@ find_barrier (int num_mova, rtx mova, rtx from)
   int hi_limit;
   rtx orig = from;
   rtx last_got = NULL_RTX;
+  rtx last_symoff = NULL_RTX;
 
   /* For HImode: range is 510, add 4 because pc counts from address of
      second instruction after this one, subtract 2 for the jump instruction
@@ -4551,6 +4552,16 @@ find_barrier (int num_mova, rtx mova, rtx from)
        {
          switch (untangle_mova (&num_mova, &mova, from))
            {
+             case 1:
+               if (flag_pic)
+                 {
+                   rtx src = SET_SRC (PATTERN (from));
+                   if (GET_CODE (src) == CONST
+                       && GET_CODE (XEXP (src, 0)) == UNSPEC
+                       && XINT (XEXP (src, 0), 1) == UNSPEC_SYMOFF)
+                     last_symoff = from;
+                 }
+               break;
              case 0:   return find_barrier (0, 0, mova);
              case 2:
                {
@@ -4654,6 +4665,12 @@ find_barrier (int num_mova, rtx mova, rtx from)
         so we'll make one.  */
       rtx label = gen_label_rtx ();
 
+      /* Don't emit a constant table in the middle of insns for
+        casesi_worker_2.  This is a bit overkill but is enough
+        because casesi_worker_2 wouldn't appear so frequently.  */
+      if (last_symoff)
+       from = last_symoff;
+
       /* If we exceeded the range, then we must back up over the last
         instruction we looked at.  Otherwise, we just need to undo the
         NEXT_INSN at the end of the loop.  */