Commit: AArch64: Do not complain about invalid pstate values

[Nick Clifton]

Hi Guys,

  I have checked in the patch below to fix a small problem with the
  AArch64 assembler - it was issuing error messages for deprecated
  system register names when parsing a PSTATE value.

Cheers
  Nick

gas/ChangeLog
2013-11-19  Nick Clifton  <nickc@redhat.com>

	* config/tc-aarch64.c (parse_sys_reg): Do not issue error messages
	for deprecated system registers when parsing pstate fields.

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index fb0ae33..7d50381 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -3314,7 +3314,10 @@ parse_sys_reg (char **str, struct hash_control *sys_regs, int imple_defined_p)
     }
   else
     {
-      if (aarch64_sys_reg_deprecated_p (o))
+      /* Only check system register names for deprecation.  If we have
+        been given a PSTATE field name (impled_defined_p == 0) then allow
+        any value.  */
+      if (imple_defined_p && aarch64_sys_reg_deprecated_p (o))
        as_warn (_("system register name '%s' is deprecated and may be "
 "removed in a future release"), buf);
       value = o->value;