re PR middle-end/20606 (ICE in make_edges, at cfgbuild.c:327 on x86_64 (with O2…

re PR middle-end/20606 (ICE in make_edges, at cfgbuild.c:327 on x86_64 (with O2 - not with no optimizations))

2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20606
        PR middle-end/24069
        * reload.c (subst_reloads): When adding a REG_LABEL to a
        jump instruction, also update JUMP_LABEL.

From-SVN: r105013

gcc/ChangeLog

+2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/20606
+	PR middle-end/24069
+	* reload.c (subst_reloads): When adding a REG_LABEL to a
+	jump instruction, also update JUMP_LABEL.
+
 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
 
 	* params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.

gcc/reload.c

@@ -6033,9 +6033,12 @@ subst_reloads (rtx insn)
 	     register refers to.  */
 	  if (GET_CODE (*r->where) == LABEL_REF
 	      && JUMP_P (insn))
-	    REG_NOTES (insn) = gen_rtx_INSN_LIST (REG_LABEL,
-						  XEXP (*r->where, 0),
-						  REG_NOTES (insn));
+	    {
+	      REG_NOTES (insn) = gen_rtx_INSN_LIST (REG_LABEL,
+						    XEXP (*r->where, 0),
+						    REG_NOTES (insn));
+	      JUMP_LABEL (insn) = XEXP (*r->where, 0);
+	   }
 
 	  /* Encapsulate RELOADREG so its machine mode matches what
 	     used to be there.  Note that gen_lowpart_common will