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Add %cmpi/u instruction.

This commit is contained in:
steve 2002-06-02 18:55:58 +00:00
parent 89329fc0cc
commit d68153dea3
3 changed files with 57 additions and 3 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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: codes.h,v 1.43 2002/05/31 20:04:22 steve Exp $" #ident "$Id: codes.h,v 1.44 2002/06/02 18:55:58 steve Exp $"
#endif #endif
@ -45,6 +45,7 @@ extern bool of_ASSIGN_MEM(vthread_t thr, vvp_code_t code);
extern bool of_ASSIGN_X0(vthread_t thr, vvp_code_t code); extern bool of_ASSIGN_X0(vthread_t thr, vvp_code_t code);
extern bool of_BREAKPOINT(vthread_t thr, vvp_code_t code); extern bool of_BREAKPOINT(vthread_t thr, vvp_code_t code);
extern bool of_CASSIGN(vthread_t thr, vvp_code_t code); extern bool of_CASSIGN(vthread_t thr, vvp_code_t code);
extern bool of_CMPIU(vthread_t thr, vvp_code_t code);
extern bool of_CMPS(vthread_t thr, vvp_code_t code); extern bool of_CMPS(vthread_t thr, vvp_code_t code);
extern bool of_CMPU(vthread_t thr, vvp_code_t code); extern bool of_CMPU(vthread_t thr, vvp_code_t code);
extern bool of_CMPX(vthread_t thr, vvp_code_t code); extern bool of_CMPX(vthread_t thr, vvp_code_t code);
@ -155,6 +156,9 @@ extern vvp_code_t codespace_index(vvp_cpoint_t ptr);
/* /*
* $Log: codes.h,v $ * $Log: codes.h,v $
* Revision 1.44 2002/06/02 18:55:58 steve
* Add %cmpi/u instruction.
*
* Revision 1.43 2002/05/31 20:04:22 steve * Revision 1.43 2002/05/31 20:04:22 steve
* Add the %muli instruction. * Add the %muli instruction.
* *

6
vvp/compile.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: compile.cc,v 1.129 2002/05/31 20:04:22 steve Exp $" #ident "$Id: compile.cc,v 1.130 2002/06/02 18:55:58 steve Exp $"
#endif #endif
# include "arith.h" # include "arith.h"
@ -93,6 +93,7 @@ const static struct opcode_table_s opcode_table[] = {
{ "%cmp/u", of_CMPU, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} }, { "%cmp/u", of_CMPU, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} },
{ "%cmp/x", of_CMPX, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} }, { "%cmp/x", of_CMPX, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} },
{ "%cmp/z", of_CMPZ, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} }, { "%cmp/z", of_CMPZ, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} },
{ "%cmpi/u", of_CMPIU, 3, {OA_BIT1, OA_BIT2, OA_NUMBER} },
{ "%deassign",of_DEASSIGN,2,{OA_FUNC_PTR, OA_BIT1, OA_NONE} }, { "%deassign",of_DEASSIGN,2,{OA_FUNC_PTR, OA_BIT1, OA_NONE} },
{ "%delay", of_DELAY, 1, {OA_NUMBER, OA_NONE, OA_NONE} }, { "%delay", of_DELAY, 1, {OA_NUMBER, OA_NONE, OA_NONE} },
{ "%delayx", of_DELAYX, 1, {OA_NUMBER, OA_NONE, OA_NONE} }, { "%delayx", of_DELAYX, 1, {OA_NUMBER, OA_NONE, OA_NONE} },
@ -1413,6 +1414,9 @@ vvp_ipoint_t debug_lookup_functor(const char*name)
/* /*
* $Log: compile.cc,v $ * $Log: compile.cc,v $
* Revision 1.130 2002/06/02 18:55:58 steve
* Add %cmpi/u instruction.
*
* Revision 1.129 2002/05/31 20:04:22 steve * Revision 1.129 2002/05/31 20:04:22 steve
* Add the %muli instruction. * Add the %muli instruction.
* *

48
vvp/vthread.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: vthread.cc,v 1.77 2002/05/31 20:04:22 steve Exp $" #ident "$Id: vthread.cc,v 1.78 2002/06/02 18:55:58 steve Exp $"
#endif #endif
# include "vthread.h" # include "vthread.h"
@ -577,6 +577,49 @@ bool of_CMPS(vthread_t thr, vvp_code_t cp)
return true; return true;
} }
bool of_CMPIU(vthread_t thr, vvp_code_t cp)
{
unsigned eq = 1;
unsigned eeq = 1;
unsigned lt = 0;
unsigned idx1 = cp->bit_idx[0];
unsigned imm = cp->bit_idx[1];
for (unsigned idx = 0 ; idx < cp->number ; idx += 1) {
unsigned lv = thr_get_bit(thr, idx1);
unsigned rv = imm & 1;
imm >>= 1;
if (lv > rv) {
lt = 0;
eeq = 0;
} else if (lv < rv) {
lt = 1;
eeq = 0;
}
if (eq != 2) {
if ((lv == 0) && (rv != 0))
eq = 0;
if ((lv == 1) && (rv != 1))
eq = 0;
if ((lv | rv) >= 2)
eq = 2;
}
if (idx1 >= 4) idx1 += 1;
}
if (eq == 2)
lt = 2;
thr_put_bit(thr, 4, eq);
thr_put_bit(thr, 5, lt);
thr_put_bit(thr, 6, eeq);
return true;
}
bool of_CMPU(vthread_t thr, vvp_code_t cp) bool of_CMPU(vthread_t thr, vvp_code_t cp)
{ {
unsigned eq = 1; unsigned eq = 1;
@ -2165,6 +2208,9 @@ bool of_CALL_UFUNC(vthread_t thr, vvp_code_t cp)
/* /*
* $Log: vthread.cc,v $ * $Log: vthread.cc,v $
* Revision 1.78 2002/06/02 18:55:58 steve
* Add %cmpi/u instruction.
*
* Revision 1.77 2002/05/31 20:04:22 steve * Revision 1.77 2002/05/31 20:04:22 steve
* Add the %muli instruction. * Add the %muli instruction.
* *