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added stix_bitxorint()

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This commit is contained in:
hyunghwan.chung 2015-12-13 16:08:05 +00:00
parent 887a03c05e
commit bf412e0c07
5 changed files with 224 additions and 78 deletions
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11
stix/kernel/Stix.st
View File

@ -128,11 +128,18 @@
#method bitInvert
{
<primitive: #_integer_bitinvert>
self primitiveFailed.
##<primitive: #_integer_bitinvert>
##self primitiveFailed.
^-1 - self.
}
#method asString
{
self printStringRadix: 10
}
#method printStringRadix: aNumber
{
<primitive: #_integer_inttostr>
self primitiveFailed.

7
stix/kernel/test-005.st
View File

@ -324,7 +324,14 @@ PROCESS TESTING
(16rF0FFFF bitOr: 16r111111) dump.
(16r11 bitOr: 16r20000000000000000000000000000000FFFFFFFFFFFFFFFF11111100000000000000000001) dump.
((16r11 bitOr: 16r20000000000000000000000000000000FFFFFFFFFFFFFFFF11111100000000000000000001) bitOr: 16r1100) dump.
((16r11 bitOr: $a) bitOr: 16r1100) dump.
(-20000000000000000000000000000000000000000 bitInvert printStringRadix: 2) dump.
((-2r101010 bitXor: 2r11101) printStringRadix: 2) dump.
((2r11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 bitXor: 2r11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111) printStringRadix: 2) dump.
((2r10101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101 bitAnd: 2r01010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010) printStringRadix: 2) dump.
"
FFI isNil dump.
FFI notNil dump.

245
stix/lib/bigint.c
View File

@ -1398,16 +1398,10 @@ stix_oop_t stix_bitandints (stix_t* stix, stix_oop_t x, stix_oop_t y)
#if (STIX_LIW_BITS == STIX_OOW_BITS)
w2 = ((stix_oop_liword_t)y)->slot[0];
#elif (STIX_LIW_BITS == STIX_OOHW_BITS)
if (STIX_OBJ_GET_SIZE(y) == 1)
{
w2 = ((stix_oop_liword_t)y)->slot[0];
}
else
{
w2 = MAKE_WORD(((stix_oop_liword_t)y)->slot[0], ((stix_oop_liword_t)y)->slot[1]);
}
STIX_ASSERT (STIX_OBJ_GET_SIZE(y) >= 2);
w2 = MAKE_WORD(((stix_oop_liword_t)y)->slot[0], ((stix_oop_liword_t)y)->slot[1]);
#else
# error UNSUPPORTED
# error UNSUPPORTED LIW BIT SIZE
#endif
v3 = (stix_ooi_t)((stix_oow_t)v1 & w2);
@ -1452,7 +1446,10 @@ stix_oop_t stix_bitandints (stix_t* stix, stix_oop_t x, stix_oop_t y)
{
STIX_OBJ_SET_CLASS(z, stix->_large_negative_integer);
}
return z;
/* for example, 16r1010101010... bitAnd: 16r0101010101... procduces 0.
* so normalization is needed */
return normalize_bigint (stix, z);
}
oops_einval:
@ -1476,7 +1473,8 @@ stix_oop_t stix_bitorints (stix_t* stix, stix_oop_t x, stix_oop_t y)
v1 = -v1;
sign = -1;
}
else if (v2 < 0)
if (v2 < 0)
{
v2 = -v2;
sign = -1;
@ -1485,38 +1483,64 @@ stix_oop_t stix_bitorints (stix_t* stix, stix_oop_t x, stix_oop_t y)
v3 = (stix_ooi_t)((stix_oow_t)v1 | (stix_oow_t)v2);
return STIX_SMOOI_TO_OOP(v3 * sign);
}
else
else if (STIX_OOP_IS_SMOOI(x))
{
stix_oow_t xs, ys, zs;
stix_oop_t z;
stix_ooi_t v;
int neg;
if (STIX_OOP_IS_SMOOI(x))
smooi_and_large:
if (!is_integer(stix,y)) goto oops_einval;
neg = 0;
v = STIX_OOP_TO_SMOOI(x);
if (v < 0)
{
stix_ooi_t v;
if (!is_integer(stix,y)) goto oops_einval;
v = STIX_OOP_TO_SMOOI(x);
stix_pushtmp (stix, &y);
x = make_bigint_with_ooi (stix, v);
stix_poptmp (stix);
v = -v;
neg = 1;
}
else if (STIX_OOP_IS_SMOOI(y))
z = clone_bigint (stix, y, STIX_OBJ_GET_SIZE(y));
if (!z) return STIX_NULL;
#if STIX_LIW_BITS == STIX_OOW_BITS
((stix_oop_liword_t)z)->slot[0] |= (stix_oow_t)v;
#elif STIX_LIW_BITS == STIX_OOHW_BITS
STIX_ASSERT (STIX_OBJ_GET_SIZE(z) >= 2);
((stix_oop_liword_t)z)->slot[0] |= ((stix_oow_t)v & STIX_LBMASK(stix_oow_t, STIX_OOHW_BITS));
((stix_oop_liword_t)z)->slot[1] |= ((stix_oow_t)v >> STIX_OOHW_BITS);
#else
# error UNSUPPORTED LIW BIT SIZE
#endif
if (neg || STIX_OBJ_GET_CLASS(z) == stix->_large_negative_integer)
{
stix_ooi_t v;
if (!is_integer(stix,x)) goto oops_einval;
v = STIX_OOP_TO_SMOOI(y);
stix_pushtmp (stix, &x);
y = make_bigint_with_ooi (stix, v);
stix_poptmp (stix);
STIX_OBJ_SET_CLASS(z, stix->_large_negative_integer);
}
else
{
if (!is_integer(stix,x)) goto oops_einval;
if (!is_integer(stix,y)) goto oops_einval;
STIX_OBJ_SET_CLASS(z, stix->_large_positive_integer);
}
return z;
}
else if (STIX_OOP_IS_SMOOI(y))
{
stix_oop_t z;
z = x;
x = y;
y = z;
goto smooi_and_large;
}
else
{
stix_oop_t z;
stix_oow_t xs, ys, zs;
if (!is_integer(stix,x)) goto oops_einval;
if (!is_integer(stix,y)) goto oops_einval;
xs = STIX_OBJ_GET_SIZE(x);
ys = STIX_OBJ_GET_SIZE(y);
@ -1558,6 +1582,8 @@ stix_oop_t stix_bitorints (stix_t* stix, stix_oop_t x, stix_oop_t y)
{
STIX_OBJ_SET_CLASS(z, stix->_large_negative_integer);
}
/* no normalization is needed */
return z;
}
@ -1568,13 +1594,140 @@ oops_einval:
stix_oop_t stix_bitxorints (stix_t* stix, stix_oop_t x, stix_oop_t y)
{
stix->errnum = STIX_ENOIMPL;
return STIX_NULL;
}
if (STIX_OOP_IS_SMOOI(x) && STIX_OOP_IS_SMOOI(y))
{
stix_ooi_t v[3], sign[2];
stix_oop_t stix_bitinvertint (stix_t* stix, stix_oop_t x)
{
stix->errnum = STIX_ENOIMPL;
sign[0] = 1;
sign[1] = 1;
v[0] = STIX_OOP_TO_SMOOI(x);
v[1] = STIX_OOP_TO_SMOOI(y);
if (v[0] < 0)
{
v[0] = -v[0];
sign[0] = -1;
}
if (v[1] < 0)
{
v[1] = -v[1];
sign[1] = -1;
}
v[2] = (stix_ooi_t)((stix_oow_t)v[0] ^ (stix_oow_t)v[1]);
return STIX_SMOOI_TO_OOP(v[2] * sign[0] * sign[1]);
}
else if (STIX_OOP_IS_SMOOI(x))
{
stix_oop_t z;
stix_ooi_t v;
int neg1, neg2;
smooi_and_large:
if (!is_integer(stix,y)) goto oops_einval;
neg1 = 0;
neg2 = 0;
v = STIX_OOP_TO_SMOOI(x);
if (v < 0)
{
v = -v;
neg1 = 1;
}
if (STIX_OBJ_GET_CLASS(y) == stix->_large_negative_integer) neg2 = 1;
z = clone_bigint (stix, y, STIX_OBJ_GET_SIZE(y));
if (!z) return STIX_NULL;
#if STIX_LIW_BITS == STIX_OOW_BITS
((stix_oop_liword_t)z)->slot[0] ^= (stix_oow_t)v;
#elif STIX_LIW_BITS == STIX_OOHW_BITS
STIX_ASSERT (STIX_OBJ_GET_SIZE(z) >= 2);
((stix_oop_liword_t)z)->slot[0] ^= ((stix_oow_t)v & STIX_LBMASK(stix_oow_t, STIX_OOHW_BITS));
((stix_oop_liword_t)z)->slot[1] ^= ((stix_oow_t)v >> STIX_OOHW_BITS);
#else
# error UNSUPPORTED LIW BIT SIZE
#endif
if (STIX_OBJ_GET_CLASS(z) == stix->_large_negative_integer) neg2 = 1;
if (neg1 == neg2)
{
STIX_OBJ_SET_CLASS(z, stix->_large_negative_integer);
}
else
{
STIX_OBJ_SET_CLASS(z, stix->_large_positive_integer);
}
return normalize_bigint (stix, z);
}
else if (STIX_OOP_IS_SMOOI(y))
{
stix_oop_t z;
z = x;
x = y;
y = z;
goto smooi_and_large;
}
else
{
stix_oop_t z;
stix_oow_t xs, ys, zs;
if (!is_integer(stix,x)) goto oops_einval;
if (!is_integer(stix,y)) goto oops_einval;
xs = STIX_OBJ_GET_SIZE(x);
ys = STIX_OBJ_GET_SIZE(y);
if (xs > ys)
{
zs = xs;
}
else
{
/* swap x and y */
z = x;
x = y;
y = z;
zs = ys;
ys = xs;
xs = zs;
}
stix_pushtmp (stix, &x);
stix_pushtmp (stix, &y);
z = stix_instantiate (stix, stix->_large_positive_integer, 0, zs);
stix_poptmps (stix, 2);
if (!z) return STIX_NULL;
while (zs > ys)
{
--zs;
((stix_oop_liword_t)z)->slot[zs] = ((stix_oop_liword_t)x)->slot[zs];
}
while (zs > 0)
{
--zs;
((stix_oop_liword_t)z)->slot[zs] = ((stix_oop_liword_t)x)->slot[zs] ^ ((stix_oop_liword_t)y)->slot[zs];
}
if (STIX_OBJ_GET_CLASS(x) == STIX_OBJ_GET_CLASS(y))
{
STIX_OBJ_SET_CLASS(z, stix->_large_negative_integer);
}
return normalize_bigint (stix, z);
}
oops_einval:
stix->errnum = STIX_EINVAL;
return STIX_NULL;
}
@ -1866,7 +2019,7 @@ stix_oop_t stix_inttostr (stix_t* stix, stix_oop_t num, int radix)
#elif STIX_LIW_BITS == STIX_OOHW_BITS
stix_liw_t b[2];
#else
# error UNSUPPORTED
# error UNSUPPORTED LIW BIT SIZE
#endif
stix_liw_t* a, * q, * r;
stix_liw_t* t = STIX_NULL;
@ -1901,12 +2054,8 @@ stix_oop_t stix_inttostr (stix_t* stix, stix_oop_t num, int radix)
v = (STIX_OBJ_GET_CLASS(num) == stix->_large_negative_integer)? -1: 1;
}
#elif (STIX_LIW_BITS == STIX_OOHW_BITS)
if (STIX_OBJ_GET_SIZE(num) == 1)
{
w = ((stix_oop_halfword_t)num)->slot[0];
v = (STIX_OBJ_GET_CLASS(num) == stix->_large_negative_integer)? -1: 1;
}
else if (STIX_OBJ_GET_SIZE(num) == 2)
STIX_ASSERT (STIX_OBJ_GET_SIZE(num) >= 2);
if (STIX_OBJ_GET_SIZE(num) == 2)
{
w = MAKE_WORD (((stix_oop_halfword_t)num)->slot[0], ((stix_oop_halfword_t)num)->slot[1]);
v = (STIX_OBJ_GET_CLASS(num) == stix->_large_negative_integer)? -1: 1;
@ -1942,7 +2091,7 @@ stix_oop_t stix_inttostr (stix_t* stix, stix_oop_t num, int radix)
b[1] = stix->bigint[radix].multiplier >> STIX_OOHW_BITS;
bs = (b[1] > 0)? 2: 1;
#else
# error UNSUPPORTED
# error UNSUPPORTED LIW BIT SIZE
#endif
as = STIX_OBJ_GET_SIZE(num);
@ -2001,7 +2150,7 @@ stix_oop_t stix_inttostr (stix_t* stix, stix_oop_t num, int radix)
w = MAKE_WORD (r[0], r[1]);
}
#else
# UNSUPPORTED
# error UNSUPPORTED LIW BIT SIZE
#endif
seglen = oow_to_text (w, radix, &xbuf[xlen]);
xlen += seglen;

34
stix/lib/exec.c
View File

@ -1240,23 +1240,6 @@ static int prim_integer_bitxor (stix_t* stix, stix_ooi_t nargs)
return 1;
}
static int prim_integer_bitinvert (stix_t* stix, stix_ooi_t nargs)
{
stix_oop_t rcv, arg, res;
STIX_ASSERT (nargs == 0);
rcv = ACTIVE_STACK_GET(stix, stix->sp );
res = stix_bitinvertint (stix, rcv);
if (!res) return (stix->errnum == STIX_EINVAL? 0: -1); /* soft or hard failure */
ACTIVE_STACK_POP (stix);
ACTIVE_STACK_SETTOP (stix, res);
return 1;
}
static int prim_integer_eq (stix_t* stix, stix_ooi_t nargs)
{
stix_oop_t rcv, arg;
@ -1425,13 +1408,19 @@ static int prim_integer_ge (stix_t* stix, stix_ooi_t nargs)
static int prim_integer_inttostr (stix_t* stix, stix_ooi_t nargs)
{
stix_oop_t rcv, str;
stix_oop_t rcv, arg, str;
stix_ooi_t radix;
STIX_ASSERT (nargs == 0);
STIX_ASSERT (nargs == 1);
rcv = ACTIVE_STACK_GET(stix, stix->sp);
rcv = ACTIVE_STACK_GET(stix, stix->sp - 1);
arg = ACTIVE_STACK_GET(stix, stix->sp);
str = stix_inttostr (stix, rcv, 10);
if (!STIX_OOP_IS_SMOOI(arg)) return 0; /* soft failure */
radix = STIX_OOP_TO_SMOOI(arg);
if (radix < 2 || radix > 36) return 0; /* soft failure */
str = stix_inttostr (stix, rcv, radix);
if (!str) return (stix->errnum == STIX_EINVAL? 0: -1);
ACTIVE_STACK_SETTOP (stix, str);
@ -1796,14 +1785,13 @@ static prim_t primitives[] =
{ 1, prim_integer_bitand, "_integer_bitand" },
{ 1, prim_integer_bitor, "_integer_bitor" },
{ 1, prim_integer_bitxor, "_integer_bitxor" },
{ 0, prim_integer_bitinvert, "_integer_bitinvert" },
{ 1, prim_integer_eq, "_integer_eq" },
{ 1, prim_integer_ne, "_integer_ne" },
{ 1, prim_integer_lt, "_integer_lt" },
{ 1, prim_integer_gt, "_integer_gt" },
{ 1, prim_integer_le, "_integer_le" },
{ 1, prim_integer_ge, "_integer_ge" },
{ 0, prim_integer_inttostr, "_integer_inttostr" },
{ 1, prim_integer_inttostr, "_integer_inttostr" },
{ 1, prim_processor_schedule, "_processor_schedule" },
{ 1, prim_processor_remove, "_processor_remove" },

5
stix/lib/stix-prv.h
View File

@ -1124,11 +1124,6 @@ stix_oop_t stix_bitxorints (
stix_oop_t y
);
stix_oop_t stix_bitinvertint (
stix_t* stix,
stix_oop_t x
);
stix_oop_t stix_strtoint (
stix_t* stix,
const stix_ooch_t* str,