* cgen-engine.h (EXTRACT_MSB0_LGSINT, EXTRACT_MSB0_LGUINT): Define.

[deliverable/binutils-gdb.git] / sim / common / cgen-engine.h

diff --git a/sim/common/cgen-engine.h b/sim/common/cgen-engine.h
index 2433104855527013549503b3a91060a7822a94a3..69f2ef66b656b95c6eea6ddf5c0ed287b9034cec 100644 (file)
--- a/sim/common/cgen-engine.h
+++ b/sim/common/cgen-engine.h
@@ -17,9 +17,11 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-/* This file must be included after eng.h and before ${cpu}.h.
+/* This file is included by ${cpu}.h.
+   It needs CGEN_INSN_WORD which is defined by ${cpu}.h.
    ??? A lot of this could be moved to genmloop.sh to be put in eng.h
-   and thus remove some conditional compilation.  Worth it?  */
+   and thus remove some conditional compilation.  We'd still need
+   CGEN_INSN_WORD though.  */
 
 /* Semantic functions come in six versions on two axes:
    fast/full-featured, and using one of the simple/scache/compilation engines.
@@ -62,12 +64,26 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #define EXTRACT_LSB0_UINT(val, total, start, length) \
 (((UINT) (val) << ((sizeof (UINT) * 8) - (start) - 1)) \
  >> ((sizeof (UINT) * 8) - (length)))
+
+#define EXTRACT_MSB0_LGSINT(val, total, start, length) \
+(((CGEN_INSN_LGSINT) (val) << ((sizeof (CGEN_INSN_LGSINT) * 8) - (total) + (start))) \
+ >> ((sizeof (CGEN_INSN_LGSINT) * 8) - (length)))
+#define EXTRACT_MSB0_LGUINT(val, total, start, length) \
+(((CGEN_INSN_UINT) (val) << ((sizeof (CGEN_INSN_LGUINT) * 8) - (total) + (start))) \
+ >> ((sizeof (CGEN_INSN_LGUINT) * 8) - (length)))
+
+#define EXTRACT_LSB0_LGSINT(val, total, start, length) \
+(((CGEN_INSN_LGSINT) (val) << ((sizeof (CGEN_INSN_LGSINT) * 8) - (start) - 1)) \
+ >> ((sizeof (CGEN_INSN_LGSINT) * 8) - (length)))
+#define EXTRACT_LSB0_LGUINT(val, total, start, length) \
+(((CGEN_INSN_LGUINT) (val) << ((sizeof (CGEN_INSN_LGUINT) * 8) - (start) - 1)) \
+ >> ((sizeof (CGEN_INSN_LGUINT) * 8) - (length)))
 \f
 /* Semantic routines.  */
 
 /* Type of the machine generated extraction fns.  */
 /* ??? No longer used.  */
-typedef void (EXTRACT_FN) (SIM_CPU *, IADDR, CGEN_INSN_INT, ARGBUF *);
+typedef void (EXTRACT_FN) (SIM_CPU *, IADDR, CGEN_INSN_WORD, ARGBUF *);
 
 /* Type of the machine generated semantic fns.  */
 
@@ -89,9 +105,9 @@ typedef unsigned int SEM_STATUS;
 /* Instruction fields are extracted by the semantic routine.
    ??? TODO: multi word insns.  */
 #if HAVE_PARALLEL_INSNS && ! WITH_PARALLEL_GENWRITE
-typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, PAREXEC *, CGEN_INSN_INT);
+typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, PAREXEC *, CGEN_INSN_WORD);
 #else
-typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, CGEN_INSN_INT);
+typedef SEM_STATUS (SEMANTIC_FN) (SIM_CPU *, SEM_ARG, CGEN_INSN_WORD);
 #endif
 
 #endif