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authorNick Clifton <nickc@redhat.com>2004-05-24 14:33:22 +0000
committerNick Clifton <nickc@redhat.com>2004-05-24 14:33:22 +0000
commitbe8c092bb0532fb342e38ed21a8cf8ce7773b98f (patch)
treead882b4e0f8e1ca15b6f8b6a9cb6769fbaa5230c /gas/config/m68k-parse.y
parentdfdffa2c3c2df36aa57d5beee75ca3fb15e3a736 (diff)
downloadppe42-binutils-be8c092bb0532fb342e38ed21a8cf8ce7773b98f.tar.gz
ppe42-binutils-be8c092bb0532fb342e38ed21a8cf8ce7773b98f.zip
Reorganise m68k instruction decoding and improve handling of MAC/EMAC
Diffstat (limited to 'gas/config/m68k-parse.y')
-rw-r--r--gas/config/m68k-parse.y13
1 files changed, 8 insertions, 5 deletions
diff --git a/gas/config/m68k-parse.y b/gas/config/m68k-parse.y
index c56ad23d64..d6bb4b82d4 100644
--- a/gas/config/m68k-parse.y
+++ b/gas/config/m68k-parse.y
@@ -1,5 +1,5 @@
/* m68k.y -- bison grammar for m68k operand parsing
- Copyright 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1997, 1998, 2001, 2004 Free Software Foundation, Inc.
Written by Ken Raeburn and Ian Lance Taylor, Cygnus Support
This file is part of GAS, the GNU Assembler.
@@ -35,7 +35,7 @@
etc), as well as gratuitously global symbol names If other parser
generators (bison, byacc, etc) produce additional global names that
conflict at link time, then those parser generators need to be
- fixed instead of adding those names to this list. */
+ fixed instead of adding those names to this list. */
#define yymaxdepth m68k_maxdepth
#define yyparse m68k_parse
@@ -122,7 +122,10 @@ operand:
{
op->trailing_ampersand = $2;
}
- | mit_operand
+ | mit_operand optional_ampersand
+ {
+ op->trailing_ampersand = $2;
+ }
;
/* A trailing ampersand(for MAC/EMAC mask addressing). */
@@ -793,8 +796,8 @@ yylex ()
case '-':
/* A '-' can only appear in -(ar), rn-rn, or ar@-. If it
appears anywhere else, it must be a unary minus on an
- expression. */
- if (str[1] == '\0')
+ expression, unless it it trailed by a '&'(see mac load insn). */
+ if (str[1] == '\0' || (str[1] == '&' && str[2] == '\0'))
return *str++;
s = str + 1;
if (*s == '(')
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