arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC memory operands.

2011-04-17  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/arm/arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC
	memory operands.

From-SVN: r172617

gcc/ChangeLog

+2011-04-17  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* config/arm/arm.c (neon_struct_mem_operand): Support POST_INC/PRE_DEC
+	memory operands.
+
 2011-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* config/mips/mips.c (mips_cfun_call_saved_reg_p): Handle global

gcc/config/arm/arm.c

@@ -9070,6 +9070,11 @@ neon_struct_mem_operand (rtx op)
   if (GET_CODE (ind) == REG)
     return arm_address_register_rtx_p (ind, 0);
 
+  /* vldm/vstm allows POST_INC (ia) and PRE_DEC (db).  */
+  if (GET_CODE (ind) == POST_INC
+      || GET_CODE (ind) == PRE_DEC)
+    return arm_address_register_rtx_p (XEXP (ind, 0), 0);
+
   return FALSE;
 }