* config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.

From-SVN: r170845

gcc/ChangeLog

+2011-03-10  Nick Clifton  <nickc@redhat.com>
+
+	* config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
+
 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/47866

gcc/config/rx/rx.md

@@ -1643,7 +1643,7 @@
   ""
   "bset\t%1, %0.B"
   [(set_attr "length" "3")
-   (set_attr "timings" "34")]
+   (set_attr "timings" "33")]
 )
 
 (define_insn "*bitinvert"
@@ -1689,7 +1689,7 @@
   ""
   "bclr\t%1, %0.B"
   [(set_attr "length" "3")
-   (set_attr "timings" "34")]
+   (set_attr "timings" "33")]
 )
 
 (define_insn "*insv_imm"
@@ -1897,6 +1897,14 @@
     rtx addr2 = gen_rtx_REG (SImode, 2);
     rtx len   = gen_rtx_REG (SImode, 3);
 
+    /* Do not use when the source or destination are volatile - the SMOVF
+       instruction will read and write in word sized blocks, which may be
+       outside of the valid address range.  */
+    if (MEM_P (operands[0]) && MEM_VOLATILE_P (operands[0]))
+      FAIL;
+    if (MEM_P (operands[1]) && MEM_VOLATILE_P (operands[1]))
+      FAIL;
+
     if (REG_P (operands[0]) && (REGNO (operands[0]) == 2
 				      || REGNO (operands[0]) == 3))
       FAIL;
@@ -1906,6 +1914,7 @@
     if (REG_P (operands[2]) && (REGNO (operands[2]) == 1
 				      || REGNO (operands[2]) == 2))
       FAIL;
+
     emit_move_insn (addr1, force_operand (XEXP (operands[0], 0), NULL_RTX));
     emit_move_insn (addr2, force_operand (XEXP (operands[1], 0), NULL_RTX));
     emit_move_insn (len, force_operand (operands[2], NULL_RTX));