Thu Jul 25 12:06:22 1996 Martin M. Hunt <hunt@pizza.cygnus.com>

	* d10v.h: Changes for divs, parallel-only instructions, and
 	signed numbers.

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 3f818a7..8323f32 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,4 +1,9 @@
 start-sanitize-d10v
+Thu Jul 25 12:06:22 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
+
+       * d10v.h: Changes for divs, parallel-only instructions, and
+       signed numbers.
+
 Mon Jul 22 11:21:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 
        * d10v.h (pd_reg): Define. Putting the definition here allows

diff --git a/include/opcode/d10v.h b/include/opcode/d10v.h
index 81dfc1c..c667331 100644 (file)
--- a/include/opcode/d10v.h
+++ b/include/opcode/d10v.h
@@ -28,6 +28,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  *
 #define FM11   0xC0000000
 
 #define NOP 0x5e00
+#define OPCODE_DIVS    0x14002800
 
 /* The opcode table is an array of struct d10v_opcode.  */
 
@@ -39,9 +40,7 @@ struct d10v_opcode
   /* the opcode format */
   int format;
 
-  /* opcode types.  these numbers were picked so we can do 
-     if( i & SHORT_OPCODE) */
-
+  /* These numbers were picked so we can do if( i & SHORT_OPCODE) */
 #define SHORT_OPCODE 1
 #define LONG_OPCODE  8
 #define SHORT_2             1          /* short with 2 operands */
@@ -50,6 +49,11 @@ struct d10v_opcode
 #define LONG_L       10                /* long with 3 operands */
 #define LONG_R       12                /* reserved */
 
+  /* just a placeholder for variable-length instructions */
+  /* for example, "bra" will be a fake for "bra.s" and bra.l" */
+  /* which will immediately follow in the opcode table.  */
+#define OPCODE_FAKE  32
+
   /* the number of cycles */
   int cycles;
 
@@ -62,9 +66,10 @@ struct d10v_opcode
 
   /* execution type; parallel or sequential */
   int exec_type;
-#define PAR    1
-#define SEQ    2
-#define BRANCH_LINK 3
+#define PARONLY 1      /* parallel only */
+#define SEQ    2       /* must be sequential */
+#define PAR    3       /* may be parallel */
+#define BRANCH_LINK 4  /* subroutine call.  sequential and aligned */
 
   /* the opcode */
   long opcode;
@@ -147,6 +152,9 @@ extern const struct d10v_operand d10v_operands[];
 /* predecrement mode '@-sp'  */
 #define OPERAND_ATMINUS        (0x2000)
 
+/* signed number */
+#define OPERAND_SIGNED (0x4000)
+
 /* Structure to hold information about predefined registers.  */
 struct pd_reg
 {