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dce28a774ee625f5dcfc75029809c2523fe87fb7
yap-6.3/C/control_absmi_insts.h

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/************************************************************************\
* Cut & Commit Instructions *
\************************************************************************/
#ifdef INDENT_CODE
{
{
{
#endif /* INDENT_CODE */
/* cut */
Op(cut, s);
#ifdef COROUTINING
CACHE_Y_AS_ENV(YREG);
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check_stack(NoStackCut, HR);
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ENDCACHE_Y_AS_ENV();
do_cut:
#endif
SET_ASP(YREG, PREG->y_u.s.s);
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, s),Osbpp),l);
/* assume cut is always in stack */
saveregs();
prune((choiceptr)YREG[E_CB] PASS_REGS);
setregs();
GONext();
#ifdef COROUTINING
NoStackCut:
PROCESS_INT(interrupt_cut, do_cut);
#endif
ENDOp();
/* cut_t */
/* cut_t does the same as cut */
Op(cut_t, s);
#ifdef COROUTINING
CACHE_Y_AS_ENV(YREG);
check_stack(NoStackCutT, HR);
ENDCACHE_Y_AS_ENV();
do_cut_t:
#endif
SET_ASP(YREG, PREG->y_u.s.s);
/* assume cut is always in stack */
saveregs();
prune((choiceptr)YREG[E_CB] PASS_REGS);
setregs();
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, s),Osbpp),l);
GONext();
#ifdef COROUTINING
NoStackCutT:
PROCESS_INT(interrupt_cut_t, do_cut_t);
#endif
ENDOp();
/* cut_e */
Op(cut_e, s);
#ifdef COROUTINING
CACHE_Y_AS_ENV(YREG);
check_stack(NoStackCutE, HR);
ENDCACHE_Y_AS_ENV();
do_cut_e:
#endif
SET_ASP(YREG, PREG->y_u.s.s);
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, s),Osbpp),l);
saveregs();
prune((choiceptr)SREG[E_CB] PASS_REGS);
setregs();
GONext();
#ifdef COROUTINING
NoStackCutE:
PROCESS_INT(interrupt_cut_e, do_cut_e);
#endif
ENDOp();
/* save_b_x Xi */
Op(save_b_x, x);
BEGD(d0);
d0 = PREG->y_u.x.x;
#if defined(YAPOR_SBA) && defined(FROZEN_STACKS)
XREG(d0) = MkIntegerTerm((Int)B);
#else
XREG(d0) = MkIntegerTerm(LCL0-(CELL *) (B));
#endif /* YAPOR_SBA && FROZEN_STACKS */
PREG = NEXTOP(PREG, x);
ENDD(d0);
GONext();
ENDOp();
/* save_b_y Yi */
Op(save_b_y, y);
#if defined(YAPOR_SBA)
INITIALIZE_PERMVAR(YREG+PREG->y_u.y.y,MkIntegerTerm((Int)B));
#else
INITIALIZE_PERMVAR(YREG+PREG->y_u.y.y,MkIntegerTerm(LCL0-(CELL *)(B)));
#endif /* YAPOR_SBA*/
PREG = NEXTOP(PREG, y);
GONext();
ENDOp();
/* commit_b_x Xi */
Op(commit_b_x, xps);
#ifdef COROUTINING
CACHE_Y_AS_ENV(YREG);
check_stack(NoStackCommitX, HR);
ENDCACHE_Y_AS_ENV();
do_commit_b_x:
#endif
BEGD(d0);
d0 = XREG(PREG->y_u.xps.x);
deref_head(d0, commit_b_x_unk);
commit_b_x_nvar:
/* skip a void call and a label */
SET_ASP(YREG, PREG->y_u.xps.s);
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xps),Osbpp),l);
{
choiceptr pt0;
#if defined(YAPOR_SBA) && defined(FROZEN_STACKS)
pt0 = (choiceptr)IntegerOfTerm(d0);
#else
pt0 = (choiceptr)(LCL0-IntegerOfTerm(d0));
#endif /* YAPOR_SBA && FROZEN_STACKS */
saveregs();
prune(pt0 PASS_REGS);
setregs();
}
GONext();
BEGP(pt1);
deref_body(d0, pt1, commit_b_x_unk, commit_b_x_nvar);
ENDP(pt1);
/* never cut to a variable */
/* Abort */
FAIL();
ENDD(d0);
#ifdef COROUTINING
/* Problem: have I got an environment or not? */
NoStackCommitX:
PROCESS_INT(interrupt_commit_x, do_commit_b_x);
#endif
ENDOp();
/* commit_b_y Yi */
Op(commit_b_y, yps);
#ifdef COROUTINING
CACHE_Y_AS_ENV(YREG);
check_stack(NoStackCommitY, HR);
ENDCACHE_Y_AS_ENV();
do_commit_b_y:
#endif
BEGD(d0);
d0 = YREG[PREG->y_u.yps.y];
deref_head(d0, commit_b_y_unk);
commit_b_y_nvar:
SET_ASP(YREG, PREG->y_u.yps.s);
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yps),Osbpp),l);
{
choiceptr pt0;
#if defined(YAPOR_SBA) && defined(FROZEN_STACKS)
pt0 = (choiceptr)IntegerOfTerm(d0);
#else
pt0 = (choiceptr)(LCL0-IntegerOfTerm(d0));
#endif
saveregs();
prune(pt0 PASS_REGS);
setregs();
}
GONext();
BEGP(pt1);
deref_body(d0, pt1, commit_b_y_unk, commit_b_y_nvar);
ENDP(pt1);
/* never cut to a variable */
/* Abort */
FAIL();
ENDD(d0);
#ifdef COROUTINING
/* This is easier: I know there is an environment so I cannot do allocate */
NoStackCommitY:
PROCESS_INT(interrupt_commit_y, do_commit_b_y);
#endif
ENDOp();
/*************************************************************************
* Call / Proceed instructions *
*************************************************************************/
/* Macros for stack trimming */
/* execute Label */
BOp(execute, pp);
{
PredEntry *pt0;
CACHE_Y_AS_ENV(YREG);
pt0 = PREG->y_u.pp.p;
#ifndef NO_CHECKING
check_stack(NoStackExecute, HR);
goto skip_do_execute;
#endif
do_execute:
FETCH_Y_FROM_ENV(YREG);
pt0 = PREG->y_u.pp.p;
skip_do_execute:
#ifdef LOW_LEVEL_TRACER
if (Yap_do_low_level_trace) {
low_level_trace(enter_pred,pt0,XREGS+1);
}
#endif /* LOW_LEVEL_TRACE */
CACHE_A1();
ALWAYS_LOOKAHEAD(pt0->OpcodeOfPred);
BEGD(d0);
d0 = (CELL)B;
PREG = pt0->CodeOfPred;
/* for profiler */
save_pc();
ENV_YREG[E_CB] = d0;
ENDD(d0);
#ifdef DEPTH_LIMIT
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is prolog */
if (pt0->ModuleOfPred) {
JIT
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if (DEPTH == MkIntTerm(0)) {
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FAIL();
JIT
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} else { DEPTH = RESET_DEPTH(); }
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}
} else if (pt0->ModuleOfPred)
DEPTH -= MkIntConstant(2);
#endif /* DEPTH_LIMIT */
/* this is the equivalent to setting up the stack */
ALWAYS_GONext();
ALWAYS_END_PREFETCH();
ENDCACHE_Y_AS_ENV();
}
NoStackExecute:
PROCESS_INT(interrupt_execute, do_execute);
ENDBOp();
/* dexecute Label */
/* joint deallocate and execute */
BOp(dexecute, pp);
#ifdef LOW_LEVEL_TRACER
if (Yap_do_low_level_trace)
low_level_trace(enter_pred,PREG->y_u.pp.p,XREGS+1);
#endif /* LOW_LEVEL_TRACER */
CACHE_Y_AS_ENV(YREG);
{
PredEntry *pt0;
CACHE_A1();
pt0 = PREG->y_u.pp.p;
#ifndef NO_CHECKING
/* check stacks */
check_stack(NoStackDExecute, HR);
goto skip_dexecute;
#endif
continue_dexecute:
FETCH_Y_FROM_ENV(YREG);
pt0 = PREG->y_u.pp.p;
skip_dexecute:
#ifdef DEPTH_LIMIT
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is primitives */
if (pt0->ModuleOfPred) {
JIT
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if (DEPTH == MkIntTerm(0)) {
split absmi
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FAIL();
JIT
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} else {
DEPTH = RESET_DEPTH();
}
split absmi
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}
} else if (pt0->ModuleOfPred)
DEPTH -= MkIntConstant(2);
#endif /* DEPTH_LIMIT */
PREG = pt0->CodeOfPred;
/* for profiler */
save_pc();
ALWAYS_LOOKAHEAD(pt0->OpcodeOfPred);
/* do deallocate */
CPREG = (yamop *) ENV_YREG[E_CP];
ENV_YREG = ENV = (CELL *) ENV_YREG[E_E];
#ifdef FROZEN_STACKS
{
choiceptr top_b = PROTECT_FROZEN_B(B);
#ifdef YAPOR_SBA
if (ENV_YREG > (CELL *) top_b || ENV_YREG < HR) ENV_YREG = (CELL *) top_b;
#else
if (ENV_YREG > (CELL *) top_b) ENV_YREG = (CELL *) top_b;
#endif /* YAPOR_SBA */
else ENV_YREG = (CELL *)((CELL)ENV_YREG + ENV_Size(CPREG));
}
#else
if (ENV_YREG > (CELL *)B) {
ENV_YREG = (CELL *)B;
}
else {
ENV_YREG = (CELL *) ((CELL) ENV_YREG + ENV_Size(CPREG));
}
#endif /* FROZEN_STACKS */
WRITEBACK_Y_AS_ENV();
/* setup GB */
ENV_YREG[E_CB] = (CELL) B;
ALWAYS_GONext();
ALWAYS_END_PREFETCH();
}
ENDCACHE_Y_AS_ENV();
NoStackDExecute:
PROCESS_INT(interrupt_dexecute, continue_dexecute);
ENDBOp();
BOp(fcall, Osbpp);
CACHE_Y_AS_ENV(YREG);
ENV_YREG[E_CP] = (CELL) CPREG;
ENV_YREG[E_E] = (CELL) ENV;
#ifdef DEPTH_LIMIT
ENV_YREG[E_DEPTH] = DEPTH;
#endif /* DEPTH_LIMIT */
ENDCACHE_Y_AS_ENV();
ENDBOp();
BOp(call, Osbpp);
#ifdef LOW_LEVEL_TRACER
if (Yap_do_low_level_trace) {
low_level_trace(enter_pred,PREG->y_u.Osbpp.p,XREGS+1);
}
#endif /* LOW_LEVEL_TRACER */
CACHE_Y_AS_ENV(YREG);
{
PredEntry *pt;
CACHE_A1();
pt = PREG->y_u.Osbpp.p;
#ifndef NO_CHECKING
check_stack(NoStackCall, HR);
goto skip_call;
#endif
call_body:
/* external jump if we don;t want to creep */
FETCH_Y_FROM_ENV(YREG);
pt = PREG->y_u.Osbpp.p;
skip_call:
ENV = ENV_YREG;
/* Try to preserve the environment */
ENV_YREG = (CELL *) (((char *) ENV_YREG) + PREG->y_u.Osbpp.s);
CPREG = NEXTOP(PREG, Osbpp);
ALWAYS_LOOKAHEAD(pt->OpcodeOfPred);
PREG = pt->CodeOfPred;
/* for profiler */
save_pc();
#ifdef DEPTH_LIMIT
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is primitives */
if (pt->ModuleOfPred) {
JIT
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if (DEPTH == MkIntTerm(0)) {
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FAIL();
JIT
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} else {
DEPTH = RESET_DEPTH();
}
split absmi
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}
} else if (pt->ModuleOfPred)
DEPTH -= MkIntConstant(2);
#endif /* DEPTH_LIMIT */
#ifdef FROZEN_STACKS
{
choiceptr top_b = PROTECT_FROZEN_B(B);
#ifdef YAPOR_SBA
if (ENV_YREG > (CELL *) top_b || ENV_YREG < HR) ENV_YREG = (CELL *) top_b;
#else
if (ENV_YREG > (CELL *) top_b) ENV_YREG = (CELL *) top_b;
#endif /* YAPOR_SBA */
}
#else
if (ENV_YREG > (CELL *) B) {
ENV_YREG = (CELL *) B;
}
#endif /* FROZEN_STACKS */
WRITEBACK_Y_AS_ENV();
/* setup GB */
ENV_YREG[E_CB] = (CELL) B;
#ifdef YAPOR
SCH_check_requests();
#endif /* YAPOR */
ALWAYS_GONext();
ALWAYS_END_PREFETCH();
}
ENDCACHE_Y_AS_ENV();
ENDBOp();
BOp(procceed, p);
CACHE_Y_AS_ENV(YREG);
ALWAYS_LOOKAHEAD(CPREG->opc);
PREG = CPREG;
/* for profiler */
save_pc();
ENV_YREG = ENV;
#ifdef DEPTH_LIMIT
DEPTH = ENV_YREG[E_DEPTH];
#endif
WRITEBACK_Y_AS_ENV();
ALWAYS_GONext();
ALWAYS_END_PREFETCH();
ENDCACHE_Y_AS_ENV();
NoStackCall:
PROCESS_INT(interrupt_call, call_body);
ENDBOp();
Op(allocate, e);
CACHE_Y_AS_ENV(YREG);
PREG = NEXTOP(PREG, e);
ENV_YREG[E_CP] = (CELL) CPREG;
ENV_YREG[E_E] = (CELL) ENV;
#ifdef DEPTH_LIMIT
ENV_YREG[E_DEPTH] = DEPTH;
#endif /* DEPTH_LIMIT */
ENV = ENV_YREG;
ENDCACHE_Y_AS_ENV();
GONext();
ENDOp();
Op(deallocate, p);
CACHE_Y_AS_ENV(YREG);
check_trail(TR);
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#ifndef NO_CHECKING
/* check stacks */
check_stack(NoStackDeallocate, HR);
#endif
split absmi
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PREG = NEXTOP(PREG, p);
/* other instructions do depend on S being set by deallocate
:-( */
SREG = YREG;
CPREG = (yamop *) ENV_YREG[E_CP];
ENV = ENV_YREG = (CELL *) ENV_YREG[E_E];
#ifdef DEPTH_LIMIT
DEPTH = ENV_YREG[E_DEPTH];
#endif /* DEPTH_LIMIT */
#ifdef FROZEN_STACKS
{
choiceptr top_b = PROTECT_FROZEN_B(B);
#ifdef YAPOR_SBA
if (ENV_YREG > (CELL *) top_b || ENV_YREG < HR) ENV_YREG = (CELL *) top_b;
#else
if (ENV_YREG > (CELL *) top_b) ENV_YREG = (CELL *) top_b;
#endif /* YAPOR_SBA */
else ENV_YREG = (CELL *)((CELL) ENV_YREG + ENV_Size(CPREG));
}
#else
if (ENV_YREG > (CELL *) B)
ENV_YREG = (CELL *) B;
else
ENV_YREG = (CELL *) ((CELL) ENV_YREG + ENV_Size(CPREG));
#endif /* FROZEN_STACKS */
WRITEBACK_Y_AS_ENV();
ENDCACHE_Y_AS_ENV();
GONext();
NoStackDeallocate:
BEGD(d0);
#ifdef SHADOW_S
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Yap_REGS.S_ = YREG;
split absmi
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#endif
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PREG = NEXTOP(PREG,p);
split absmi
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saveregs();
d0 = interrupt_deallocate( PASS_REGS1 );
setregs();
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PREG = PREVOP(PREG,p);
split absmi
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#ifdef SHADOW_S
SREG = Yap_REGS.S_;
#endif
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// return to original deallocate
split absmi
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if (!d0) FAIL();
JMPNext();
ENDD(d0);
ENDOp();
/**********************************************
* OPTYap instructions *
**********************************************/
#ifdef YAPOR
JIT
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#include "or.insts.h"
split absmi
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#endif /* YAPOR */
#ifdef TABLING
JIT
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#include "tab.insts.h"
#include "tab.tries.insts.h"
split absmi
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#endif /* TABLING */
#ifdef BEAM
extern int eam_am(PredEntry *);
Op(retry_eam, e);
printf("Aqui estou eu..................\n");
if (!eam_am(2)) {
abort_eam("Falhei\n");
FAIL();
}
goto procceed;
PREG = NEXTOP(PREG, e);
GONext();
ENDOp();
Op(run_eam, os);
if (inp==-9000) { /* use indexing to find out valid alternatives */
extern CELL *beam_ALTERNATIVES;
*beam_ALTERNATIVES= (CELL *) PREG->y_u.os.opcw;
beam_ALTERNATIVES++;
if (OLD_B!=B) goto fail;
#if PUSH_REGS
Yap_regp=old_regs;
#endif
return(0);
}
saveregs();
if (!eam_am((PredEntry *) PREG->y_u.os.s)) FAIL();
setregs();
/* cut */
BACKUP_B();
while (POP_CHOICE_POINT(B->cp_b)) {
POP_EXECUTE();
}
B = B->cp_b; /* cut_fail */
HB = B->cp_h; /* cut_fail */
RECOVER_B();
if (0) { register choiceptr ccp;
/* initialize ccp */
#define NORM_CP(CP) ((choiceptr)(CP))
YREG = (CELL *) (NORM_CP(YREG) - 1);
ccp = NORM_CP(YREG);
store_yaam_reg_cpdepth(ccp);
ccp->cp_tr = TR;
ccp->cp_ap = BEAM_RETRY_CODE;
ccp->cp_h = HR;
ccp->cp_b = B;
ccp->cp_env= ENV;
ccp->cp_cp = CPREG;
B = ccp;
SET_BB(B);
}
goto procceed;
PREG = NEXTOP(PREG, os);
GONext();
ENDOp();
#endif
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