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DUALNUM: Handle integer type in FFI.

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This commit is contained in:
Mike Pall
2011-02-27 01:31:22 +01:00
parent d437086c5a
commit c031d4b6a0
5 changed files with 42 additions and 17 deletions
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5
src/lj_carith.c
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@@ -41,6 +41,9 @@ static int carith_checkarg(lua_State *L, CTState *cts, CDArith *ca)
}
ca->ct[i] = ct;
ca->p[i] = p;
} else if (tvisint(o)) {
ca->ct[i] = ctype_get(cts, CTID_INT32);
ca->p[i] = (uint8_t *)&o->i;
} else if (tvisnum(o)) {
ca->ct[i] = ctype_get(cts, CTID_DOUBLE);
ca->p[i] = (uint8_t *)&o->n;
@@ -84,7 +87,7 @@ static int carith_ptr(lua_State *L, CTState *cts, CDArith *ca, MMS mm)
/* All valid pointer differences on x64 are in (-2^47, +2^47),
** which fits into a double without loss of precision.
*/
setnumV(L->top-1, (lua_Number)diff);
setintptrV(L->top-1, (int32_t)diff);
return 1;
} else if (mm == MM_lt) { /* Pointer comparison (unsigned). */
setboolV(L->top-1, ((uintptr_t)pp < (uintptr_t)pp2));