From: Nick Clifton <nickc@redhat.com>
Date: Wed, 16 Aug 2000 17:48:50 +0000 (+0000)
Subject: Warn abouyt "bx pc" not being very useful.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70485b5c189916d86cca419c60229858f00d6799;p=binutils-gdb.git

Warn abouyt "bx pc" not being very useful.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 08e9a22d0f3..2e65ebcdfa3 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2000-08-16  Nick Clifton  <nickc@redhat.com>
+
+	* config/tc-arm.c (do_bx): Warn about "bx px" not being veryu
+	useful.
+
 2000-08-14  Will Cohen  <wcohen@redhat.com>
 
 	* config/tc-sh.h (DWARF2_LINE_MIN_INSN_LENGTH): Defined.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index e9bdc33dc0a..5ca0815288f 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -3590,6 +3590,8 @@ do_bx (str, flags)
     }
 
   /* Note - it is not illegal to do a "bx pc".  Useless, but not illegal.  */
+  if (reg == REG_PC)
+    as_tsktsk (_("Use of r15 in bx in ARM mode is not really useful"));
 
   end_of_line (str);
 }