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-rw-r--r--erts/emulator/beam/beam_emu.c319
-rw-r--r--erts/emulator/beam/ops.tab93
2 files changed, 200 insertions, 212 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index e5179830de..82cc030878 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1145,7 +1145,6 @@ void process_main(void)
*/
register Eterm tmp_arg1 REG_tmp_arg1 = NIL;
register Eterm tmp_arg2 REG_tmp_arg2 = NIL;
- Eterm tmp_big[2];
/*
* X registers and floating point registers are located in
@@ -1158,8 +1157,6 @@ void process_main(void)
*/
int neg_o_reds = 0;
- Eterm (*arith_func)(Process* p, Eterm* reg, Uint live);
-
#ifdef ERTS_OPCODE_COUNTER_SUPPORT
static void* counting_opcodes[] = { DEFINE_COUNTING_OPCODES };
#else
@@ -1307,9 +1304,6 @@ void process_main(void)
#endif
#include "beam_hot.h"
-#define STORE_ARITH_RESULT(res) StoreBifResult(2, (res));
-#define ARITH_FUNC(name) erts_gc_##name
-
{
Eterm increment_reg_val;
Eterm increment_val;
@@ -1349,81 +1343,71 @@ void process_main(void)
goto find_func_info;
}
-#define DO_BIG_ARITH(Func,Arg1,Arg2) \
- do { \
- Uint live = Arg(1); \
- SWAPOUT; \
- reg[live] = (Arg1); \
- reg[live+1] = (Arg2); \
- result = (Func)(c_p, reg, live); \
- SWAPIN; \
- ERTS_HOLE_CHECK(c_p); \
- if (is_value(result)) { \
- StoreBifResult(4,result); \
- } \
- goto lb_Cl_error; \
- } while(0)
+#define DO_OUTLINED_ARITH_2(name, Op1, Op2) \
+ do { \
+ Eterm result; \
+ Uint live = Arg(1); \
+ \
+ SWAPOUT; \
+ reg[live] = Op1; \
+ reg[live+1] = Op2; \
+ result = erts_gc_##name(c_p, reg, live); \
+ SWAPIN; \
+ ERTS_HOLE_CHECK(c_p); \
+ if (is_value(result)) { \
+ StoreBifResult(4, result); \
+ } \
+ goto lb_Cl_error; \
+ } while (0)
- OpCase(i_plus_jIxxd):
{
+ Eterm PlusOp1, PlusOp2;
Eterm result;
- if (is_both_small(xb(Arg(2)), xb(Arg(3)))) {
- Sint i = signed_val(xb(Arg(2))) + signed_val(xb(Arg(3)));
- ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i));
- if (MY_IS_SSMALL(i)) {
- result = make_small(i);
- StoreBifResult(4, result);
- }
- }
- DO_BIG_ARITH(ARITH_FUNC(mixed_plus), xb(Arg(2)), xb(Arg(3)));
- }
+ OpCase(i_plus_jIxxd):
+ PlusOp1 = xb(Arg(2));
+ PlusOp2 = xb(Arg(3));
+ goto do_plus;
- OpCase(i_plus_jId):
- {
- Eterm result;
+ OpCase(i_plus_jIssd):
+ GetArg2(2, PlusOp1, PlusOp2);
+ goto do_plus;
- if (is_both_small(tmp_arg1, tmp_arg2)) {
- Sint i = signed_val(tmp_arg1) + signed_val(tmp_arg2);
+ do_plus:
+ if (is_both_small(PlusOp1, PlusOp2)) {
+ Sint i = signed_val(PlusOp1) + signed_val(PlusOp2);
ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i));
if (MY_IS_SSMALL(i)) {
result = make_small(i);
- STORE_ARITH_RESULT(result);
+ StoreBifResult(4, result);
}
}
- arith_func = ARITH_FUNC(mixed_plus);
- goto do_big_arith2;
+ DO_OUTLINED_ARITH_2(mixed_plus, PlusOp1, PlusOp2);
}
- OpCase(i_minus_jIxxd):
{
+ Eterm MinusOp1, MinusOp2;
Eterm result;
- if (is_both_small(xb(Arg(2)), xb(Arg(3)))) {
- Sint i = signed_val(xb(Arg(2))) - signed_val(xb(Arg(3)));
- ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i));
- if (MY_IS_SSMALL(i)) {
- result = make_small(i);
- StoreBifResult(4, result);
- }
- }
- DO_BIG_ARITH(ARITH_FUNC(mixed_minus), xb(Arg(2)), xb(Arg(3)));
- }
+ OpCase(i_minus_jIxxd):
+ MinusOp1 = xb(Arg(2));
+ MinusOp2 = xb(Arg(3));
+ goto do_minus;
- OpCase(i_minus_jId):
- {
- Eterm result;
+ OpCase(i_minus_jIssd):
+ GetArg2(2, MinusOp1, MinusOp2);
+ goto do_minus;
- if (is_both_small(tmp_arg1, tmp_arg2)) {
- Sint i = signed_val(tmp_arg1) - signed_val(tmp_arg2);
+ do_minus:
+ if (is_both_small(MinusOp1, MinusOp2)) {
+ Sint i = signed_val(MinusOp1) - signed_val(MinusOp2);
ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i));
if (MY_IS_SSMALL(i)) {
result = make_small(i);
- STORE_ARITH_RESULT(result);
+ StoreBifResult(4, result);
}
}
- arith_func = ARITH_FUNC(mixed_minus);
- goto do_big_arith2;
+ DO_OUTLINED_ARITH_2(mixed_minus, MinusOp1, MinusOp2);
}
OpCase(i_is_lt_f):
@@ -2767,109 +2751,81 @@ do { \
* Arithmetic operations.
*/
- OpCase(i_times_jId):
+ OpCase(i_times_jIssd):
{
- arith_func = ARITH_FUNC(mixed_times);
- goto do_big_arith2;
+ Eterm Op1, Op2;
+ GetArg2(2, Op1, Op2);
+ DO_OUTLINED_ARITH_2(mixed_times, Op1, Op2);
}
- OpCase(i_m_div_jId):
+ OpCase(i_m_div_jIssd):
{
- arith_func = ARITH_FUNC(mixed_div);
- goto do_big_arith2;
+ Eterm Op1, Op2;
+ GetArg2(2, Op1, Op2);
+ DO_OUTLINED_ARITH_2(mixed_div, Op1, Op2);
}
- OpCase(i_int_div_jId):
+ OpCase(i_int_div_jIssd):
{
- Eterm result;
+ Eterm Op1, Op2;
- if (tmp_arg2 == SMALL_ZERO) {
+ GetArg2(2, Op1, Op2);
+ if (Op2 == SMALL_ZERO) {
goto badarith;
- } else if (is_both_small(tmp_arg1, tmp_arg2)) {
- Sint ires = signed_val(tmp_arg1) / signed_val(tmp_arg2);
+ } else if (is_both_small(Op1, Op2)) {
+ Sint ires = signed_val(Op1) / signed_val(Op2);
if (MY_IS_SSMALL(ires)) {
- result = make_small(ires);
- STORE_ARITH_RESULT(result);
+ Eterm result = make_small(ires);
+ StoreBifResult(4, result);
}
}
- arith_func = ARITH_FUNC(int_div);
- goto do_big_arith2;
+ DO_OUTLINED_ARITH_2(int_div, Op1, Op2);
}
- OpCase(i_rem_jIxxd):
{
- Eterm result;
+ Eterm RemOp1, RemOp2;
- if (xb(Arg(3)) == SMALL_ZERO) {
- goto badarith;
- } else if (is_both_small(xb(Arg(2)), xb(Arg(3)))) {
- result = make_small(signed_val(xb(Arg(2))) % signed_val(xb(Arg(3))));
+ OpCase(i_rem_jIxxd):
+ RemOp1 = xb(Arg(2));
+ RemOp2 = xb(Arg(3));
+ goto do_rem;
+
+ OpCase(i_rem_jIssd):
+ GetArg2(2, RemOp1, RemOp2);
+ goto do_rem;
+
+ do_rem:
+ if (RemOp2 == SMALL_ZERO) {
+ goto badarith;
+ } else if (is_both_small(RemOp1, RemOp2)) {
+ Eterm result = make_small(signed_val(RemOp1) % signed_val(RemOp2));
StoreBifResult(4, result);
+ } else {
+ DO_OUTLINED_ARITH_2(int_rem, RemOp1, RemOp2);
}
- DO_BIG_ARITH(ARITH_FUNC(int_rem),xb(Arg(2)),xb(Arg(3)));
}
- OpCase(i_rem_jId):
{
- Eterm result;
-
- if (tmp_arg2 == SMALL_ZERO) {
- goto badarith;
- } else if (is_both_small(tmp_arg1, tmp_arg2)) {
- result = make_small(signed_val(tmp_arg1) % signed_val(tmp_arg2));
- STORE_ARITH_RESULT(result);
- } else {
- arith_func = ARITH_FUNC(int_rem);
- goto do_big_arith2;
- }
- }
+ Eterm BandOp1, BandOp2;
OpCase(i_band_jIxcd):
- {
- Eterm result;
+ BandOp1 = xb(Arg(2));
+ BandOp2 = Arg(3);
+ goto do_band;
+
+ OpCase(i_band_jIssd):
+ GetArg2(2, BandOp1, BandOp2);
+ goto do_band;
- if (is_both_small(xb(Arg(2)), Arg(3))) {
+ do_band:
+ if (is_both_small(BandOp1, BandOp2)) {
/*
* No need to untag -- TAG & TAG == TAG.
*/
- result = xb(Arg(2)) & Arg(3);
+ Eterm result = BandOp1 & BandOp2;
StoreBifResult(4, result);
}
- DO_BIG_ARITH(ARITH_FUNC(band),xb(Arg(2)),Arg(3));
- }
-
- OpCase(i_band_jId):
- {
- Eterm result;
-
- if (is_both_small(tmp_arg1, tmp_arg2)) {
- /*
- * No need to untag -- TAG & TAG == TAG.
- */
- result = tmp_arg1 & tmp_arg2;
- STORE_ARITH_RESULT(result);
- }
- arith_func = ARITH_FUNC(band);
- goto do_big_arith2;
- }
-
-#undef DO_BIG_ARITH
-
- do_big_arith2:
- {
- Eterm result;
- Uint live = Arg(1);
-
- SWAPOUT;
- reg[live] = tmp_arg1;
- reg[live+1] = tmp_arg2;
- result = arith_func(c_p, reg, live);
- SWAPIN;
- ERTS_HOLE_CHECK(c_p);
- if (is_value(result)) {
- STORE_ARITH_RESULT(result);
- }
- goto lb_Cl_error;
+ DO_OUTLINED_ARITH_2(band, BandOp1, BandOp2);
}
/*
@@ -2890,97 +2846,102 @@ do { \
goto find_func_info;
}
- OpCase(i_bor_jId):
+ OpCase(i_bor_jIssd):
{
- Eterm result;
+ Eterm Op1, Op2;
- if (is_both_small(tmp_arg1, tmp_arg2)) {
+ GetArg2(2, Op1, Op2);
+ if (is_both_small(Op1, Op2)) {
/*
* No need to untag -- TAG | TAG == TAG.
*/
- result = tmp_arg1 | tmp_arg2;
- STORE_ARITH_RESULT(result);
+ Eterm result = Op1 | Op2;
+ StoreBifResult(4, result);
}
- arith_func = ARITH_FUNC(bor);
- goto do_big_arith2;
+ DO_OUTLINED_ARITH_2(bor, Op1, Op2);
}
- OpCase(i_bxor_jId):
+ OpCase(i_bxor_jIssd):
{
- Eterm result;
+ Eterm Op1, Op2;
- if (is_both_small(tmp_arg1, tmp_arg2)) {
+ GetArg2(2, Op1, Op2);
+ if (is_both_small(Op1, Op2)) {
/*
* We could extract the tag from one argument, but a tag extraction
* could mean a shift. Therefore, play it safe here.
*/
- result = make_small(signed_val(tmp_arg1) ^ signed_val(tmp_arg2));
- STORE_ARITH_RESULT(result);
+ Eterm result = make_small(signed_val(Op1) ^ signed_val(Op2));
+ StoreBifResult(4, result);
}
- arith_func = ARITH_FUNC(bxor);
- goto do_big_arith2;
+ DO_OUTLINED_ARITH_2(bxor, Op1, Op2);
}
{
+ Eterm Op1, Op2;
Sint i;
Sint ires;
Eterm* bigp;
+ Eterm tmp_big[2];
- OpCase(i_bsr_jId):
- if (is_small(tmp_arg2)) {
- i = -signed_val(tmp_arg2);
- if (is_small(tmp_arg1)) {
+ OpCase(i_bsr_jIssd):
+ GetArg2(2, Op1, Op2);
+ if (is_small(Op2)) {
+ i = -signed_val(Op2);
+ if (is_small(Op1)) {
goto small_shift;
- } else if (is_big(tmp_arg1)) {
+ } else if (is_big(Op1)) {
if (i == 0) {
- StoreBifResult(2, tmp_arg1);
+ StoreBifResult(4, Op1);
}
goto big_shift;
}
- } else if (is_big(tmp_arg2)) {
+ } else if (is_big(Op2)) {
/*
* N bsr NegativeBigNum == N bsl MAX_SMALL
* N bsr PositiveBigNum == N bsl MIN_SMALL
*/
- tmp_arg2 = make_small(bignum_header_is_neg(*big_val(tmp_arg2)) ?
+ Op2 = make_small(bignum_header_is_neg(*big_val(Op2)) ?
MAX_SMALL : MIN_SMALL);
goto do_bsl;
}
goto badarith;
- OpCase(i_bsl_jId):
+ OpCase(i_bsl_jIssd):
+ GetArg2(2, Op1, Op2);
+
do_bsl:
- if (is_small(tmp_arg2)) {
- i = signed_val(tmp_arg2);
+ if (is_small(Op2)) {
+ i = signed_val(Op2);
- if (is_small(tmp_arg1)) {
+ if (is_small(Op1)) {
small_shift:
- ires = signed_val(tmp_arg1);
+ ires = signed_val(Op1);
if (i == 0 || ires == 0) {
- StoreBifResult(2, tmp_arg1);
+ StoreBifResult(4, Op1);
} else if (i < 0) { /* Right shift */
i = -i;
if (i >= SMALL_BITS-1) {
- tmp_arg1 = (ires < 0) ? SMALL_MINUS_ONE : SMALL_ZERO;
+ Op1 = (ires < 0) ? SMALL_MINUS_ONE : SMALL_ZERO;
} else {
- tmp_arg1 = make_small(ires >> i);
+ Op1 = make_small(ires >> i);
}
- StoreBifResult(2, tmp_arg1);
+ StoreBifResult(4, Op1);
} else if (i < SMALL_BITS-1) { /* Left shift */
if ((ires > 0 && ((~(Uint)0 << ((SMALL_BITS-1)-i)) & ires) == 0) ||
((~(Uint)0 << ((SMALL_BITS-1)-i)) & ~ires) == 0) {
- tmp_arg1 = make_small(ires << i);
- StoreBifResult(2, tmp_arg1);
+ Op1 = make_small(ires << i);
+ StoreBifResult(4, Op1);
}
}
- tmp_arg1 = small_to_big(ires, tmp_big);
+ Op1 = small_to_big(ires, tmp_big);
big_shift:
if (i > 0) { /* Left shift. */
- ires = big_size(tmp_arg1) + (i / D_EXP);
+ ires = big_size(Op1) + (i / D_EXP);
} else { /* Right shift. */
- ires = big_size(tmp_arg1);
+ ires = big_size(Op1);
if (ires <= (-i / D_EXP))
ires = 3; /* ??? */
else
@@ -2998,14 +2959,14 @@ do { \
c_p->freason = SYSTEM_LIMIT;
goto lb_Cl_error;
}
- TestHeapPreserve(ires+1, Arg(1), tmp_arg1);
+ TestHeapPreserve(ires+1, Arg(1), Op1);
bigp = HTOP;
- tmp_arg1 = big_lshift(tmp_arg1, i, bigp);
- if (is_big(tmp_arg1)) {
+ Op1 = big_lshift(Op1, i, bigp);
+ if (is_big(Op1)) {
HTOP += bignum_header_arity(*HTOP) + 1;
}
HEAP_SPACE_VERIFIED(0);
- if (is_nil(tmp_arg1)) {
+ if (is_nil(Op1)) {
/*
* This result must have been only slight larger
* than allowed since it wasn't caught by the
@@ -3015,25 +2976,25 @@ do { \
goto lb_Cl_error;
}
ERTS_HOLE_CHECK(c_p);
- StoreBifResult(2, tmp_arg1);
+ StoreBifResult(4, Op1);
}
- } else if (is_big(tmp_arg1)) {
+ } else if (is_big(Op1)) {
if (i == 0) {
- StoreBifResult(2, tmp_arg1);
+ StoreBifResult(4, Op1);
}
goto big_shift;
}
- } else if (is_big(tmp_arg2)) {
- if (bignum_header_is_neg(*big_val(tmp_arg2))) {
+ } else if (is_big(Op2)) {
+ if (bignum_header_is_neg(*big_val(Op2))) {
/*
* N bsl NegativeBigNum is either 0 or -1, depending on
* the sign of N. Since we don't believe this case
* is common, do the calculation with the minimum
* amount of code.
*/
- tmp_arg2 = make_small(MIN_SMALL);
+ Op2 = make_small(MIN_SMALL);
goto do_bsl;
- } else if (is_small(tmp_arg1) || is_big(tmp_arg1)) {
+ } else if (is_small(Op1) || is_big(Op1)) {
/*
* N bsl PositiveBigNum is too large to represent.
*/
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index 335f8e2db5..e4a757ec8b 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -1476,67 +1476,94 @@ i_get_map_element f x x y
i_get_map_element f y x y
#
+# Convert the plus operations to a generic plus instruction.
+#
+gen_plus/5
+gen_minus/5
+
+gc_bif1 Fail Live u$bif:erlang:splus/1 Src Dst => \
+ gen_plus Fail Live Src i Dst
+gc_bif2 Fail Live u$bif:erlang:splus/2 S1 S2 Dst => \
+ gen_plus Fail Live S1 S2 Dst
+
+gc_bif1 Fail Live u$bif:erlang:sminus/1 Src Dst => \
+ gen_minus Fail Live i Src Dst
+gc_bif2 Fail Live u$bif:erlang:sminus/2 S1 S2 Dst => \
+ gen_minus Fail Live S1 S2 Dst
+
+#
# Optimize addition and subtraction of small literals using
# the i_increment/4 instruction (in bodies, not in guards).
#
-gc_bif2 p Live u$bif:erlang:splus/2 Int=i Reg=x Dst => \
+gen_plus p Live Int=i Reg=d Dst => \
gen_increment(Reg, Int, Live, Dst)
-gc_bif2 p Live u$bif:erlang:splus/2 Reg=x Int=i Dst => \
+gen_plus p Live Reg=d Int=i Dst => \
gen_increment(Reg, Int, Live, Dst)
-gc_bif2 p Live u$bif:erlang:sminus/2 Reg=d Int=i Dst | \
- negation_is_small(Int) => \
+gen_minus p Live Reg=d Int=i Dst | negation_is_small(Int) => \
gen_increment_from_minus(Reg, Int, Live, Dst)
#
# GCing arithmetic instructions.
#
-gc_bif2 Fail I u$bif:erlang:splus/2 S1=x S2=x Dst=d => i_plus Fail I S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:splus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_plus Fail I Dst
-gc_bif2 Fail I u$bif:erlang:sminus/2 S1=x S2=x Dst=d => i_minus Fail I S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:sminus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_minus Fail I Dst
-gc_bif2 Fail I u$bif:erlang:stimes/2 S1 S2 Dst=d => i_fetch S1 S2 | i_times Fail I Dst
-gc_bif2 Fail I u$bif:erlang:div/2 S1 S2 Dst=d => i_fetch S1 S2 | i_m_div Fail I Dst
+gen_plus Fail Live S1 S2 Dst => i_plus Fail Live S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:intdiv/2 S1 S2 Dst=d => i_fetch S1 S2 | i_int_div Fail I Dst
-gc_bif2 Fail I u$bif:erlang:rem/2 S1=x S2=x Dst=d => i_rem Fail I S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:rem/2 S1 S2 Dst=d => i_fetch S1 S2 | i_rem Fail I Dst
+gen_minus Fail Live S1 S2 Dst => i_minus Fail Live S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:bsl/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsl Fail I Dst
-gc_bif2 Fail I u$bif:erlang:bsr/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsr Fail I Dst
+gc_bif2 Fail Live u$bif:erlang:stimes/2 S1 S2 Dst => \
+ i_times Fail Live S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:band/2 S1=x S2=c Dst=d => i_band Fail I S1 S2 Dst
-gc_bif2 Fail I u$bif:erlang:band/2 S1 S2 Dst=d => i_fetch S1 S2 | i_band Fail I Dst
-gc_bif2 Fail I u$bif:erlang:bor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bor Fail I Dst
-gc_bif2 Fail I u$bif:erlang:bxor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bxor Fail I Dst
+gc_bif2 Fail Live u$bif:erlang:div/2 S1 S2 Dst => \
+ i_m_div Fail Live S1 S2 Dst
+gc_bif2 Fail Live u$bif:erlang:intdiv/2 S1 S2 Dst => \
+ i_int_div Fail Live S1 S2 Dst
-gc_bif1 Fail I u$bif:erlang:bnot/1 Src Dst=d => i_int_bnot Fail Src I Dst
+gc_bif2 Fail Live u$bif:erlang:rem/2 S1 S2 Dst => \
+ i_rem Fail Live S1 S2 Dst
+
+gc_bif2 Fail Live u$bif:erlang:bsl/2 S1 S2 Dst => \
+ i_bsl Fail Live S1 S2 Dst
+gc_bif2 Fail Live u$bif:erlang:bsr/2 S1 S2 Dst => \
+ i_bsr Fail Live S1 S2 Dst
+
+gc_bif2 Fail Live u$bif:erlang:band/2 S1 S2 Dst => \
+ i_band Fail Live S1 S2 Dst
-gc_bif1 Fail I u$bif:erlang:sminus/1 Src Dst=d => i_fetch i Src | i_minus Fail I Dst
-gc_bif1 Fail I u$bif:erlang:splus/1 Src Dst=d => i_fetch i Src | i_plus Fail I Dst
+gc_bif2 Fail Live u$bif:erlang:bor/2 S1 S2 Dst => \
+ i_bor Fail Live S1 S2 Dst
+
+gc_bif2 Fail Live u$bif:erlang:bxor/2 S1 S2 Dst => \
+ i_bxor Fail Live S1 S2 Dst
+
+gc_bif1 Fail I u$bif:erlang:bnot/1 Src Dst=d => i_int_bnot Fail Src I Dst
i_increment x I I d
i_increment y I I d
i_plus j I x x d
-i_plus j I d
+i_plus j I s s d
+
i_minus j I x x d
-i_minus j I d
-i_times j I d
-i_m_div j I d
-i_int_div j I d
+i_minus j I s s d
+
+i_times j I s s d
+
+i_m_div j I s s d
+i_int_div j I s s d
+
i_rem j I x x d
-i_rem j I d
+i_rem j I s s d
-i_bsl j I d
-i_bsr j I d
+i_bsl j I s s d
+i_bsr j I s s d
i_band j I x c d
-i_band j I d
-i_bor j I d
-i_bxor j I d
+i_band j I s s d
+
+i_bor j I s s d
+i_bxor j I s s d
i_int_bnot j s I d