Add signed modulus operator.

steveicarus · Jun 19, 2004 · 050ec6f · 050ec6f
1 parent 03d7448
commit 050ec6f
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Showing 4 changed files with 207 additions and 105 deletions.
diff --git a/vvp/codes.h b/vvp/codes.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: codes.h,v 1.65 2004/05/19 03:26:24 steve Exp $"
+#ident "$Id: codes.h,v 1.66 2004/06/19 15:52:53 steve Exp $"
 #endif
 
 
@@ -86,6 +86,7 @@ extern bool of_LOAD_WR(vthread_t thr, vvp_code_t code);
 extern bool of_LOAD_X(vthread_t thr, vvp_code_t code);
 extern bool of_LOADI_WR(vthread_t thr, vvp_code_t code);
 extern bool of_MOD(vthread_t thr, vvp_code_t code);
+extern bool of_MOD_S(vthread_t thr, vvp_code_t code);
 extern bool of_MOV(vthread_t thr, vvp_code_t code);
 extern bool of_MUL(vthread_t thr, vvp_code_t code);
 extern bool of_MUL_WR(vthread_t thr, vvp_code_t code);
@@ -169,6 +170,9 @@ extern vvp_code_t codespace_null(void);
 
 /*
  * $Log: codes.h,v $
+ * Revision 1.66  2004/06/19 15:52:53  steve
+ *  Add signed modulus operator.
+ *
  * Revision 1.65  2004/05/19 03:26:24  steve
  *  Support delayed/non-blocking assignment to reals and others.
  *

diff --git a/vvp/compile.cc b/vvp/compile.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: compile.cc,v 1.172 2004/06/16 16:33:26 steve Exp $"
+#ident "$Id: compile.cc,v 1.173 2004/06/19 15:52:53 steve Exp $"
 #endif
 
 # include  "arith.h"
@@ -133,6 +133,7 @@ const static struct opcode_table_s opcode_table[] = {
       { "%load/x", of_LOAD_X, 3,  {OA_BIT1,     OA_FUNC_PTR, OA_BIT2} },
       { "%loadi/wr",of_LOADI_WR,3,{OA_BIT1,     OA_NUMBER,   OA_BIT2} },
       { "%mod",    of_MOD,    3,  {OA_BIT1,     OA_BIT2,     OA_NUMBER} },
+      { "%mod/s",  of_MOD_S,  3,  {OA_BIT1,     OA_BIT2,     OA_NUMBER} },
       { "%mov",    of_MOV,    3,  {OA_BIT1,     OA_BIT2,     OA_NUMBER} },
       { "%mul",    of_MUL,    3,  {OA_BIT1,     OA_BIT2,     OA_NUMBER} },
       { "%mul/wr", of_MUL_WR, 2,  {OA_BIT1,     OA_BIT2,     OA_NONE} },
@@ -1578,6 +1579,9 @@ void compile_param_string(char*label, char*name, char*str, char*value)
 
 /*
  * $Log: compile.cc,v $
+ * Revision 1.173  2004/06/19 15:52:53  steve
+ *  Add signed modulus operator.
+ *
  * Revision 1.172  2004/06/16 16:33:26  steve
  *  Add structural equality compare nodes.
  *

diff --git a/vvp/opcodes.txt b/vvp/opcodes.txt
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2001-2003 Stephen Williams (steve@icarus.com)
  *
- *  $Id: opcodes.txt,v 1.54 2004/05/19 03:26:24 steve Exp $
+ *  $Id: opcodes.txt,v 1.55 2004/06/19 15:52:53 steve Exp $
  */
 
 
@@ -387,13 +387,15 @@ value. The sign bit is OR-ed into the <exp> value at bit 0x2000, and
 is removed from the <exp> before calculating the real value.
 
 
-* %mod <bit-l>, <bit-r>, <wid>
+* %mod   <bit-l>, <bit-r>, <wid>
+* %mod/s <bit-l>, <bit-r>, <wid>
 
 This instruction calculates the modulus %r of the left operand, and
 replaces the left operand with the result. The <wid> gives the width
 of the left and the right vectors, and the left vector is completely
 replaced with the result.
 
+The /s form does signed %.
 
 * %mov <dst>, <src>, <wid>