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Add the load/v.p instruction.

This commit is contained in:
steve 2005-09-17 04:01:01 +00:00
parent 672aa61ae7
commit 988a0a7048
4 changed files with 31 additions and 4 deletions
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6
vvp/codes.h
View File

@ -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 1.75 2005/09/14 02:50:07 steve Exp $"
#ident "$Id: codes.h,v 1.76 2005/09/17 04:01:01 steve Exp $"
#endif
@ -91,6 +91,7 @@ extern bool of_LOAD_NX(vthread_t thr, vvp_code_t code);
extern bool of_LOAD_VEC(vthread_t thr, vvp_code_t code);
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_LOAD_XP(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);
@ -177,6 +178,9 @@ extern vvp_code_t codespace_null(void);
/*
* $Log: codes.h,v $
* Revision 1.76 2005/09/17 04:01:01 steve
* Add the load/v.p instruction.
*
* Revision 1.75 2005/09/14 02:50:07 steve
* Add word integer compares.
*

6
vvp/compile.cc
View File

@ -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 1.211 2005/09/14 02:50:07 steve Exp $"
#ident "$Id: compile.cc,v 1.212 2005/09/17 04:01:01 steve Exp $"
#endif
# include "arith.h"
@ -135,6 +135,7 @@ const static struct opcode_table_s opcode_table[] = {
{ "%load/v", of_LOAD_VEC,3, {OA_BIT1, OA_FUNC_PTR, OA_BIT2} },
{ "%load/wr",of_LOAD_WR,2, {OA_BIT1, OA_VPI_PTR, OA_BIT2} },
{ "%load/x", of_LOAD_X, 3, {OA_BIT1, OA_FUNC_PTR, OA_BIT2} },
{ "%load/x.p",of_LOAD_XP, 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} },
@ -1480,6 +1481,9 @@ void compile_param_string(char*label, char*name, char*str, char*value)
/*
* $Log: compile.cc,v $
* Revision 1.212 2005/09/17 04:01:01 steve
* Add the load/v.p instruction.
*
* Revision 1.211 2005/09/14 02:50:07 steve
* Add word integer compares.
*

6
vvp/opcodes.txt
View File

@ -1,7 +1,7 @@
/*
* Copyright (c) 2001-2003 Stephen Williams (steve@icarus.com)
*
* $Id: opcodes.txt,v 1.66 2005/09/14 02:50:07 steve Exp $
* $Id: opcodes.txt,v 1.67 2005/09/17 04:01:02 steve Exp $
*/
@ -390,6 +390,7 @@ This instruction reads a real value from the vpi-like object to a word
register.
* %load/x <bit>, <functor-label>, <idx>
* %load/x.p <bit>, <functor-label>, <idx>
This is an indexed load. It uses the contents of the specified index
register to select a bit from a vectur functor at <functor-label>. The
@ -397,6 +398,9 @@ bit is pulled from the indexed bit of the addressed functor and loaded
into the destination thread bit. If the indexed value is beyond the
width of the vector, then the result is X.
The %load/x.p is the same, but when the operation is done, it
increments the specified index register. This provides a basic
auto-increment feature.
* %loadi/wr <bit>, <mant>, <exp>

17
vvp/vthread.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: vthread.cc,v 1.146 2005/09/14 02:50:07 steve Exp $"
#ident "$Id: vthread.cc,v 1.147 2005/09/17 04:01:02 steve Exp $"
#endif
# include "config.h"
@ -1941,6 +1941,18 @@ bool of_LOAD_X(vthread_t thr, vvp_code_t cp)
return true;
}
bool of_LOAD_XP(vthread_t thr, vvp_code_t cp)
{
// First do the normal handling of the %load/x
of_LOAD_X(thr, cp);
// Now do the post-increment
unsigned index_idx = cp->bit_idx[1];
thr->words[index_idx].w_int += 1;
return true;
}
bool of_LOADI_WR(vthread_t thr, vvp_code_t cp)
{
unsigned idx = cp->bit_idx[0];
@ -3175,6 +3187,9 @@ bool of_JOIN_UFUNC(vthread_t thr, vvp_code_t cp)
/*
* $Log: vthread.cc,v $
* Revision 1.147 2005/09/17 04:01:02 steve
* Add the load/v.p instruction.
*
* Revision 1.146 2005/09/14 02:50:07 steve
* Add word integer compares.
*