455 lines
7.2 KiB
C
455 lines
7.2 KiB
C
/*
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* Sources of the "INCREMENT/DECREMENT/ZERO" group instructions
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*/
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/* $Header$ */
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#include <em_abs.h>
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#include "global.h"
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#include "log.h"
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#include "nofloat.h"
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#include "trap.h"
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#include "mem.h"
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#include "text.h"
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#include "fra.h"
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#include "warn.h"
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PRIVATE long inc(), dec();
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DoINCz()
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{
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/* INC -: Increment word on top of stack by 1 (*) */
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LOG(("@Z6 DoINCz()"));
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spoilFRA();
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wpush(inc(swpop()));
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}
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DoINLm(arg)
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long arg;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = arg_l(arg);
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register ptr p;
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LOG(("@Z6 DoINLm(%ld)", l));
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spoilFRA();
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINLn2(arg)
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long arg;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = (N_arg_2() * arg);
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register ptr p;
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LOG(("@Z6 DoINLn2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINLn4(arg)
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long arg;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = (N_arg_4() * arg);
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register ptr p;
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LOG(("@Z6 DoINLn4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINLp2(arg)
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long arg;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = (P_arg_2() * arg);
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register ptr p;
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LOG(("@Z6 DoINLp2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINLp4(arg)
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long arg;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = (P_arg_4() * arg);
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register ptr p;
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LOG(("@Z6 DoINLp4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINLs(hob, wfac)
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long hob;
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size wfac;
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{
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/* INL l: Increment local or parameter (*) */
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register long l = (S_arg(hob) * wfac);
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register ptr p;
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LOG(("@Z6 DoINLs(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, inc(st_ldsw(p)));
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}
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DoINEl2(arg)
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long arg;
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{
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/* INE g: Increment external (*) */
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register ptr p = i2p(L_arg_2() * arg);
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LOG(("@Z6 DoINEl2(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, inc(dt_ldsw(p)));
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}
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DoINEl4(arg)
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long arg;
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{
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/* INE g: Increment external (*) */
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register ptr p = i2p(L_arg_4() * arg);
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LOG(("@Z6 DoINEl4(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, inc(dt_ldsw(p)));
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}
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DoINEs(hob, wfac)
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long hob;
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size wfac;
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{
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/* INE g: Increment external (*) */
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register ptr p = i2p(S_arg(hob) * wfac);
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LOG(("@Z6 DoINEs(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, inc(dt_ldsw(p)));
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}
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DoDECz()
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{
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/* DEC -: Decrement word on top of stack by 1 (*) */
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LOG(("@Z6 DoDECz()"));
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spoilFRA();
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wpush(dec(swpop()));
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}
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DoDELn2(arg)
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long arg;
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{
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/* DEL l: Decrement local or parameter (*) */
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register long l = (N_arg_2() * arg);
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register ptr p;
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LOG(("@Z6 DoDELn2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, dec(st_ldsw(p)));
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}
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DoDELn4(arg)
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long arg;
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{
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/* DEL l: Decrement local or parameter (*) */
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register long l = (N_arg_4() * arg);
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register ptr p;
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LOG(("@Z6 DoDELn4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, dec(st_ldsw(p)));
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}
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DoDELp2(arg)
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long arg;
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{
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/* DEL l: Decrement local or parameter (*) */
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register long l = (P_arg_2() * arg);
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register ptr p;
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LOG(("@Z6 DoDELp2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, dec(st_ldsw(p)));
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}
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DoDELp4(arg)
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long arg;
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{
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/* DEL l: Decrement local or parameter (*) */
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register long l = (P_arg_4() * arg);
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register ptr p;
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LOG(("@Z6 DoDELp4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, dec(st_ldsw(p)));
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}
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DoDELs(hob, wfac)
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long hob;
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size wfac;
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{
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/* DEL l: Decrement local or parameter (*) */
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register long l = (S_arg(hob) * wfac);
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register ptr p;
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LOG(("@Z6 DoDELs(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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p = loc_addr(l);
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st_stw(p, dec(st_ldsw(p)));
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}
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DoDEEl2(arg)
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long arg;
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{
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/* DEE g: Decrement external (*) */
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register ptr p = i2p(L_arg_2() * arg);
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LOG(("@Z6 DoDEEl2(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, dec(dt_ldsw(p)));
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}
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DoDEEl4(arg)
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long arg;
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{
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/* DEE g: Decrement external (*) */
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register ptr p = i2p(L_arg_4() * arg);
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LOG(("@Z6 DoDEEl4(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, dec(dt_ldsw(p)));
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}
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DoDEEs(hob, wfac)
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long hob;
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size wfac;
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{
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/* DEE g: Decrement external (*) */
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register ptr p = i2p(S_arg(hob) * wfac);
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LOG(("@Z6 DoDEEs(%lu)", p));
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spoilFRA();
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p = arg_g(p);
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dt_stw(p, dec(dt_ldsw(p)));
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}
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DoZRLm(arg)
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long arg;
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{
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/* ZRL l: Zero local or parameter */
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register long l = arg_l(arg);
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LOG(("@Z6 DoZRLm(%ld)", l));
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spoilFRA();
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st_stw(loc_addr(l), 0L);
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}
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DoZRLn2(arg)
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long arg;
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{
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/* ZRL l: Zero local or parameter */
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register long l = (N_arg_2() * arg);
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LOG(("@Z6 DoZRLn2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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st_stw(loc_addr(l), 0L);
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}
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DoZRLn4(arg)
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long arg;
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{
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/* ZRL l: Zero local or parameter */
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register long l = (N_arg_4() * arg);
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LOG(("@Z6 DoZRLn4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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st_stw(loc_addr(l), 0L);
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}
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DoZRLp2(arg)
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long arg;
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{
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/* ZRL l: Zero local or parameter */
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register long l = (P_arg_2() * arg);
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LOG(("@Z6 DoZRLp2(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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st_stw(loc_addr(l), 0L);
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}
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DoZRLp4(arg)
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long arg;
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{
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/* ZRL l: Zero local or parameter */
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register long l = (P_arg_4() * arg);
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LOG(("@Z6 DoZRLp4(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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st_stw(loc_addr(l), 0L);
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}
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DoZRLs(hob, wfac)
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long hob;
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size wfac;
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{
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/* ZRL l: Zero local or parameter */
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register long l = (S_arg(hob) * wfac);
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LOG(("@Z6 DoZRLs(%ld)", l));
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spoilFRA();
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l = arg_l(l);
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st_stw(loc_addr(l), 0L);
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}
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DoZREl2(arg)
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long arg;
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{
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/* ZRE g: Zero external */
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register ptr p = i2p(L_arg_2() * arg);
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LOG(("@Z6 DoZREl2(%lu)", p));
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spoilFRA();
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dt_stw(arg_g(p), 0L);
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}
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DoZREl4(arg)
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long arg;
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{
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/* ZRE g: Zero external */
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register ptr p = i2p(L_arg_4() * arg);
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LOG(("@Z6 DoZREl4(%lu)", p));
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spoilFRA();
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dt_stw(arg_g(p), 0L);
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}
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DoZREs(hob, wfac)
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long hob;
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size wfac;
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{
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/* ZRE g: Zero external */
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register ptr p = i2p(S_arg(hob) * wfac);
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LOG(("@Z6 DoZREs(%lu)", p));
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spoilFRA();
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dt_stw(arg_g(p), 0L);
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}
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DoZRFl2(arg)
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size arg;
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{
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/* ZRF w: Load a floating zero of size w */
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#ifndef NOFLOAT
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register size l = (L_arg_2() * arg);
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LOG(("@Z6 DoZRFl2(%ld)", l));
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spoilFRA();
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fpush(0.0, arg_wf(l));
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#else NOFLOAT
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arg = arg;
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nofloat();
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#endif NOFLOAT
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}
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DoZRFz()
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{
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/* ZRF w: Load a floating zero of size w */
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#ifndef NOFLOAT
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register size l = uwpop();
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LOG(("@Z6 DoZRFz(%ld)", l));
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spoilFRA();
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fpush(0.0, arg_wf(l));
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#else NOFLOAT
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nofloat();
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#endif NOFLOAT
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}
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DoZERl2(arg)
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size arg;
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{
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/* ZER w: Load w zero bytes */
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register size i, l = (L_arg_2() * arg);
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LOG(("@Z6 DoZERl2(%ld)", l));
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spoilFRA();
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for (i = arg_w(l); i; i -= wsize)
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wpush(0L);
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}
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DoZERs(hob, wfac)
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long hob;
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size wfac;
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{
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/* ZER w: Load w zero bytes */
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register size i, l = (S_arg(hob) * wfac);
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LOG(("@Z6 DoZERs(%ld)", l));
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spoilFRA();
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for (i = arg_w(l); i; i -= wsize)
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wpush(0L);
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}
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DoZERz()
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{
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/* ZER w: Load w zero bytes */
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register size i, l = swpop();
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LOG(("@Z6 DoZERz(%ld)", l));
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spoilFRA();
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for (i = arg_w(l); i; i -= wsize)
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wpush(0L);
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}
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PRIVATE long inc(l)
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long l;
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{
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if (must_test && !(IgnMask&BIT(EIOVFL))) {
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if (l == i_maxsw)
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trap(EIOVFL);
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}
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return (l + 1);
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}
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PRIVATE long dec(l)
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long l;
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{
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if (must_test && !(IgnMask&BIT(EIOVFL))) {
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if (l == i_minsw)
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trap(EIOVFL);
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}
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return (l - 1);
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}
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