dVAR;
const IV old_max = cxstack_max;
cxstack_max = GROW(cxstack_max);
- Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
+ Renew(cxstack, cxstack_max + 1, PERL_CONTEXT);
/* Without any kind of initialising deep enough recursion
* will end up reading uninitialised PERL_CONTEXTs. */
PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT);
SSPUSHINT(SvFAKE(gv));
SSPUSHPTR(GvGP(gv));
SSPUSHPTR(SvREFCNT_inc(gv));
- SSPUSHINT(SAVEt_GP);
+ SSPUSHUV(SAVEt_GP);
/* Don't let the localized GV coerce into non-glob, otherwise we would
* not be able to restore GP upon leave from context if that happened */
PERL_ARGS_ASSERT_SAVE_BOOL;
- SSCHECK(3);
- SSPUSHBOOL(*boolp);
+ SSCHECK(2);
SSPUSHPTR(boolp);
- SSPUSHUV(SAVEt_BOOL);
+ SSPUSHUV(SAVEt_BOOL | (*boolp << 8));
}
void
Perl_save_int(pTHX_ int *intp)
{
dVAR;
+ const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
PERL_ARGS_ASSERT_SAVE_INT;
- save_pushi32ptr(*intp, intp, SAVEt_INT);
+ if ((int)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
+ SSCHECK(2);
+ SSPUSHPTR(intp);
+ SSPUSHUV(SAVEt_INT_SMALL | shifted);
+ } else
+ save_pushi32ptr(*intp, intp, SAVEt_INT);
}
void
PERL_ARGS_ASSERT_SAVE_I8;
- save_pushi32ptr(*bytep, bytep, SAVEt_I8);
+ SSCHECK(2);
+ SSPUSHPTR(bytep);
+ SSPUSHUV(SAVEt_I8 | ((UV)*bytep << 8));
}
void
PERL_ARGS_ASSERT_SAVE_I16;
- save_pushi32ptr(*intp, intp, SAVEt_I16);
+ SSCHECK(2);
+ SSPUSHPTR(intp);
+ SSPUSHUV(SAVEt_I16 | ((UV)*intp << 8));
}
void
Perl_save_I32(pTHX_ I32 *intp)
{
dVAR;
+ const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
PERL_ARGS_ASSERT_SAVE_I32;
- save_pushi32ptr(*intp, intp, SAVEt_I32);
+ if ((I32)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
+ SSCHECK(2);
+ SSPUSHPTR(intp);
+ SSPUSHUV(SAVEt_I32_SMALL | shifted);
+ } else
+ save_pushi32ptr(*intp, intp, SAVEt_I32);
}
/* Cannot use save_sptr() to store a char* since the SV** cast will
Perl_save_clearsv(pTHX_ SV **svp)
{
dVAR;
+ const UV offset = svp - PL_curpad;
+ const UV offset_shifted = offset << SAVE_TIGHT_SHIFT;
PERL_ARGS_ASSERT_SAVE_CLEARSV;
ASSERT_CURPAD_ACTIVE("save_clearsv");
- SSCHECK(2);
- SSPUSHLONG((long)(svp-PL_curpad));
- SSPUSHUV(SAVEt_CLEARSV);
+ if ((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)
+ Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)",
+ offset, svp, PL_curpad);
+
+ SSCHECK(1);
+ SSPUSHUV(offset_shifted | SAVEt_CLEARSV);
SvPADSTALE_off(*svp); /* mark lexical as active */
}
dVAR;
register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
- (char*)PL_savestack);
- register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
+ const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
+ const UV elems_shifted = elems << SAVE_TIGHT_SHIFT;
- SSGROW(elems + 2);
+ if ((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)
+ Perl_croak(aTHX_ "panic: save_alloc elems %"UVuf" out of range (%ld-%ld)",
+ elems, size, pad);
+
+ SSGROW(elems + 1);
PL_savestack_ix += elems;
- SSPUSHINT(elems);
- SSPUSHUV(SAVEt_ALLOC);
+ SSPUSHUV(SAVEt_ALLOC | elems_shifted);
return start;
}
PL_localizing = 0;
}
break;
+ case SAVEt_INT_SMALL:
+ ptr = SSPOPPTR;
+ *(int*)ptr = (int)(uv >> SAVE_TIGHT_SHIFT);
+ break;
case SAVEt_INT: /* int reference */
ptr = SSPOPPTR;
*(int*)ptr = (int)SSPOPINT;
break;
case SAVEt_BOOL: /* bool reference */
ptr = SSPOPPTR;
- *(bool*)ptr = cBOOL(SSPOPBOOL);
+ *(bool*)ptr = cBOOL(uv >> 8);
+ break;
+ case SAVEt_I32_SMALL:
+ ptr = SSPOPPTR;
+ *(I32*)ptr = (I32)(uv >> SAVE_TIGHT_SHIFT);
break;
case SAVEt_I32: /* I32 reference */
ptr = SSPOPPTR;
Safefree(ptr);
break;
case SAVEt_CLEARSV:
- ptr = (void*)&PL_curpad[SSPOPLONG];
+ ptr = (void*)&PL_curpad[uv >> SAVE_TIGHT_SHIFT];
sv = *(SV**)ptr;
DEBUG_Xv(PerlIO_printf(Perl_debug_log,
(*SSPOPDXPTR)(aTHX_ ptr);
break;
case SAVEt_REGCONTEXT:
+ /* regexp must have croaked */
case SAVEt_ALLOC:
- i = SSPOPINT;
- PL_savestack_ix -= i; /* regexp must have croaked */
+ PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT;
break;
case SAVEt_STACK_POS: /* Position on Perl stack */
i = SSPOPINT;
case SAVEt_I16: /* I16 reference */
ptr = SSPOPPTR;
- *(I16*)ptr = (I16)SSPOPINT;
+ *(I16*)ptr = (I16)(uv >> 8);
break;
case SAVEt_I8: /* I8 reference */
ptr = SSPOPPTR;
- *(I8*)ptr = (I8)SSPOPINT;
+ *(I8*)ptr = (I8)(uv >> 8);
break;
case SAVEt_DESTRUCTOR:
ptr = SSPOPPTR;