From patchwork Fri Oct 29 16:43:38 2010
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From: Paul Koning <paul_koning@dell.com>
Subject: [PATCH] pdp11: fix ICE in movdi
Date: Fri, 29 Oct 2010 12:43:38 -0400
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movdi would sometimes move from one CPU register set to another, which wasn't handled.  This patch fixes that; this cures a number of testsuite failures.

Committed.

	paul

ChangeLog:

2010-10-29  Paul Koning  <ni1d@arrl.net>

	* config/pdp11/pdp11.c (output_move_quad): Fix ICE for CPU
	register to register move.

Index: config/pdp11/pdp11.c
===================================================================
--- config/pdp11/pdp11.c	(revision 166065)
+++ config/pdp11/pdp11.c	(working copy)
@@ -695,12 +695,6 @@
 
   gcc_assert (optype0 != RNDOP && optype1 != RNDOP);
   
-  /* check if we move a CPU reg to an FPU reg, or vice versa! */
-  if (optype0 == REGOP && optype1 == REGOP)
-      /* bogus - 64 bit cannot reside in CPU! */
-      gcc_assert (!CPU_REG_P(REGNO(operands[0]))
-		  && !CPU_REG_P (REGNO(operands[1])));
-  
   if (optype0 == REGOP || optype1 == REGOP)
   {
       /* check for use of clrd????