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interp.cpp
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#include "std.h"
#include "rope.h"
#include "thread.h"
#include "lock.h"
#include "interp.h"
#include "excep.h"
#include "symbol.h"
#include "SpmtThread.h"
#include "RopeVM.h"
#include "interp-indirect.h"
#include "Helper.h"
#include "DebugScaffold.h"
#include "frame.h"
#include "Break.h"
#include "Loggers.h"
#include "Stat.h"
#define THROW_EXCEPTION(excep_name, message) \
{ \
frame->last_pc = pc; \
signalException(excep_name, message); \
throw_exception; \
}
void
Mode::fetch_and_interpret_an_instruction()
{
//op_no++;
assert(frame);
//assert(frame->is_alive());
// assert(not frame->is_dead());
// assert(not frame->is_bad());
MethodBlock* new_mb;
Class *new_class;
uintptr_t *arg1;
int len;
MethodBlock* mb = frame->mb;
assert(mb);
uintptr_t* lvars = frame->lvars;
ConstantPool* cp = mb->classobj->constant_pool();
assert(is_sp_ok(sp, frame));
assert(is_pc_ok(pc, mb));
STAT_CODE\
(
// 每条指令的周期数先按1算，后边针对一些特别的指令再进行调整。
if (g_should_enable_probe(mb)) {
if (m_st->is_certain_mode()) {
m_st->m_count_cert_cycle++;
//Statistic::instance()->probe_instr_exec(*pc);
RopeVM::instance()->m_certain_instr_count++;
}
else if (m_st->is_spec_mode()) {
m_st->m_count_spec_cycle++;
}
else if (m_st->is_rvp_mode()) {
m_st->m_count_rvp_cycle++;
}
else {
assert(false);
}
}
) // STAT_CODE
//{{{ just for debug
// if (debug_scaffold::is_client_code
// && m_st->id() == 7
// //&& strcmp(frame->mb->name, "computeNewValue") == 0
// ) {
// int x = 0;
// x++;
// }
//{{{ just for debug
// 在解释之前先保存老的状态，以便解释过程被中止时恢复。
CodePntr pc_before_interpretation = pc;
Frame* frame_before_interpretation = frame;
uintptr_t* sp_before_interpretation = sp;
try {
switch (*pc) {
default:
assert(false);
case OPC_ICONST_M1:
write(sp, -1);
sp++;
pc += 1;
break;
case OPC_ACONST_NULL:
case OPC_ICONST_0:
case OPC_FCONST_0:
write(sp, 0);
sp++;
pc += 1;
break;
case OPC_ICONST_1:
write(sp, 1);
sp++;
pc += 1;
break;
case OPC_ICONST_2:
write(sp, 2);
sp++;
pc += 1;
break;
case OPC_ICONST_3:
write(sp, 3);
sp++;
pc += 1;
break;
case OPC_ICONST_4:
write(sp, 4);
sp++;
pc += 1;
break;
case OPC_ICONST_5:
write(sp, 5);
sp++;
pc += 1;
break;
case OPC_FCONST_1:
write(sp, FLOAT_1_BITS);
sp++;
pc += 1;
break;
case OPC_FCONST_2:
write(sp, FLOAT_2_BITS);
sp++;
pc += 1;
break;
case OPC_SIPUSH:
write(sp, READ_S2_OP(pc));
sp++;
pc += 3;
break;
case OPC_BIPUSH:
write(sp, READ_S1_OP(pc));
sp++;
pc += 2;
break;
case OPC_LDC_QUICK:
write(sp, CP_INFO(cp, READ_U1_OP(pc)));
sp++;
pc += 2;
break;
case OPC_LDC_W_QUICK:
write(sp, CP_INFO(cp, READ_U2_OP(pc)));
sp++;
pc += 3;
break;
case OPC_ILOAD:
case OPC_FLOAD:
case OPC_ALOAD:
write(sp, read(&lvars[READ_U1_OP(pc)]));
sp++;
pc += 2;
break;
// case OPC_ALOAD_THIS:
// if (pc[1] == OPC_GETFIELD_QUICK) {
// assert(false);
// pc[0] = OPC_GETFIELD_THIS;
// pc += 0;
// break;
// }
case OPC_ALOAD_0:
case OPC_ILOAD_0:
case OPC_FLOAD_0:
write(sp, read(&lvars[0]));
sp++;
pc += 1;
break;
case OPC_ILOAD_1:
case OPC_FLOAD_1:
case OPC_ALOAD_1:
write(sp, read(&lvars[1]));
sp++;
pc += 1;
break;
case OPC_ILOAD_2:
case OPC_FLOAD_2:
case OPC_ALOAD_2:
write(sp, read(&lvars[2]));
sp++;
pc += 1;
break;
case OPC_ILOAD_3:
case OPC_FLOAD_3:
case OPC_ALOAD_3:
write(sp, read(&lvars[3]));
sp++;
pc += 1;
break;
case OPC_ISTORE:
case OPC_FSTORE:
case OPC_ASTORE:
write(&lvars[READ_U1_OP(pc)], read(--sp));
pc += 2;
break;
case OPC_ISTORE_0:
case OPC_ASTORE_0:
case OPC_FSTORE_0:
write(&lvars[0], read(--sp));
pc += 1;
break;
case OPC_ISTORE_1:
case OPC_ASTORE_1:
case OPC_FSTORE_1:
write(&lvars[1], read(--sp));
pc += 1;
break;
case OPC_ISTORE_2:
case OPC_ASTORE_2:
case OPC_FSTORE_2:
write(&lvars[2], read(--sp));
pc += 1;
break;
case OPC_ISTORE_3:
case OPC_ASTORE_3:
case OPC_FSTORE_3:
write(&lvars[3], read(--sp));
pc += 1;
break;
case OPC_IADD:
sp -= 2;
write(sp, (int)read(&sp[0]) + (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_ISUB:
sp -= 2;
write(sp, (int)read(&sp[0]) - (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IMUL:
sp -= 2;
write(sp, (int)read(&sp[0]) * (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IDIV:
ZERO_DIVISOR_CHECK((int) read(&sp[-1]));
sp -= 2;
write(sp, (int)read(&sp[0]) / (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IREM:
ZERO_DIVISOR_CHECK((int) read(&sp[-1]));
sp -= 2;
write(sp, (int)read(&sp[0]) % (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IAND:
sp -= 2;
write(sp, (int)read(&sp[0]) & (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IOR:
sp -= 2;
write(sp, (int)read(&sp[0]) | (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_IXOR:
sp -= 2;
write(sp, (int)read(&sp[0]) ^ (int)read(&sp[1]));
sp++;
pc += 1;
break;
case OPC_INEG: {
int v = (int) read(--sp);
write(sp, -v);
sp++;
pc += 1;
break;
}
case OPC_ISHL:
sp -= 2;
write(sp, (int)read(&sp[0]) << (read(&sp[1]) & 0x1f));
sp++;
pc += 1;
break;
case OPC_ISHR:
sp -= 2;
write(sp, (int)read(&sp[0]) >> (read(&sp[1]) & 0x1f));
sp++;
pc += 1;
break;
case OPC_IUSHR:
sp -= 2;
write(sp, (unsigned int)read(&sp[0]) >> (read(&sp[1]) & 0x1f));
sp++;
pc += 1;
break;
case OPC_IF_ACMPEQ:
case OPC_IF_ICMPEQ:
sp -= 2;
pc += ((int) read(&sp[0]) == (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IF_ACMPNE:
case OPC_IF_ICMPNE:
sp -= 2;
pc += ((int) read(&sp[0]) != (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IF_ICMPLT:
sp -= 2;
pc += ((int) read(&sp[0]) < (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IF_ICMPGE:
sp -= 2;
pc += ((int) read(&sp[0]) >= (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IF_ICMPGT:
sp -= 2;
pc += ((int) read(&sp[0]) > (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IF_ICMPLE:
sp -= 2;
pc += ((int) read(&sp[0]) <= (int) read(&sp[1])) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFNE:
case OPC_IFNONNULL:
pc += ((int) read(--sp) != 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFEQ:
case OPC_IFNULL:
pc += ((int) read(--sp) == 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFLT:
pc += ((int)read(--sp) < 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFGE:
pc += ((int) read(--sp) >= 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFGT:
pc += ((int) read(--sp) > 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IFLE:
pc += ((int) read(--sp) <= 0) ? READ_S2_OP(pc) : 3;
break;
case OPC_IINC:
write(&lvars[READ_U1_OP(pc)], read(&lvars[READ_U1_OP(pc)]) + READ_S1_OP(pc + 1));
pc += 3;
break;
case OPC_POP:
sp--;
pc += 1;
break;
case OPC_POP2:
sp -= 2;
pc += 1;
break;
case OPC_DUP:
write(sp, read(&sp[-1]));
sp++;
pc += 1;
break;
case OPC_IRETURN:
case OPC_ARETURN:
case OPC_FRETURN: {
len = 1;
}
return do_method_return(len);
case OPC_RETURN:
len = 0;
return do_method_return(len);
// case OPC_GETFIELD_THIS: {
// //*sp = INST_DATA(self)[pc[2]];
// Object* self = (Object*)lvars[0];
// write(sp, read(&INST_DATA(self)[pc[2]]));
// sp++;
// pc += 4;
// }
// break;
case OPC_NOP:
pc += 1;
break;
case OPC_LCONST_0:
case OPC_DCONST_0:
write((u8*)sp, 0);
sp += 2;
pc += 1;
break;
case OPC_DCONST_1:
write((u8*)sp, DOUBLE_1_BITS);
sp += 2;
pc += 1;
break;
case OPC_LCONST_1:
write((u8*)sp, 1);
sp += 2;
pc += 1;
break;
case OPC_LDC2_W:
write((u8*)sp, CP_LONG(cp, READ_U2_OP(pc)));
sp += 2;
pc += 3;
break;
case OPC_LLOAD:
case OPC_DLOAD:
write((u8*)sp, read((u8 *) (&lvars[READ_U1_OP(pc)])));
sp += 2;
pc += 2;
break;
case OPC_LLOAD_0:
case OPC_DLOAD_0:
write((u8 *) sp, read((u8 *) (&lvars[0])));
sp += 2;
pc += 1;
break;
case OPC_LLOAD_1:
case OPC_DLOAD_1:
write((u8 *) sp, read((u8 *) (&lvars[1])));
sp += 2;
pc += 1;
break;
case OPC_LLOAD_2:
case OPC_DLOAD_2:
write((u8 *) sp, read((u8 *) (&lvars[2])));
sp += 2;
pc += 1;
break;
case OPC_LLOAD_3:
case OPC_DLOAD_3:
write((u8 *) sp, read((u8 *) (&lvars[3])));
sp += 2;
pc += 1;
break;
case OPC_LSTORE:
case OPC_DSTORE:
sp -= 2;
write((u8 *) (&lvars[READ_U1_OP(pc)]), read((u8 *) sp));
pc += 2;
break;
case OPC_LSTORE_0:
case OPC_DSTORE_0:
sp -= 2;
write((u8 *) (&lvars[0]), read((u8 *) sp));
pc += 1;
break;
case OPC_LSTORE_1:
case OPC_DSTORE_1:
sp -= 2;
write((u8 *) (&lvars[1]), read((u8 *) sp));
pc += 1;
break;
case OPC_LSTORE_2:
case OPC_DSTORE_2:
sp -= 2;
write((u8 *) (&lvars[2]), read((u8 *) sp));
pc += 1;
break;
case OPC_LSTORE_3:
case OPC_DSTORE_3:
sp -= 2;
write((u8 *) (&lvars[3]), read((u8 *) sp));
pc += 1;
break;
case OPC_IALOAD:
case OPC_FALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(sp, ((int *) ARRAY_DATA(array))[idx]);
// sp++;
// pc += 1;
do_array_load(array, idx, 4);
break;
}
case OPC_AALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(sp, ((uintptr_t *) ARRAY_DATA(array))[idx]);
// sp++;
// pc += 1;
do_array_load(array, idx, 4);
break;
}
case OPC_BALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(sp, ((signed char*) ARRAY_DATA(array))[idx]);
// sp++;
// pc += 1;
do_array_load(array, idx, 1);
break;
}
case OPC_CALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(sp, ((unsigned short*) ARRAY_DATA(array))[idx]);
// sp++;
// pc += 1;
do_array_load(array, idx, 2);
break;
}
case OPC_SALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(sp, ((short*) ARRAY_DATA(array))[idx]);
// sp++;
// pc += 1;
do_array_load(array, idx, 2);
break;
}
case OPC_LALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write((u8 *) sp, ((u8 *) ARRAY_DATA(array))[idx]);
// sp += 2;
// pc += 1;
do_array_load(array, idx, 8);
break;
}
case OPC_DALOAD: {
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 1);
Object *array = (Object *) read(sp - 2);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write((u8 *) sp, ((u8 *) ARRAY_DATA(array))[idx]);
// sp += 2;
// pc += 1;
do_array_load(array, idx, 8);
break;
}
case OPC_IASTORE:
case OPC_FASTORE: {
// int val = read(--sp);
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 2);
Object *array = (Object *) read(sp - 3);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(&((int *) ARRAY_DATA(array))[idx], val);
// pc += 1;
do_array_store(array, idx, 4);
break;
}
case OPC_BASTORE: {
// int val = read(--sp);
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 2);
Object *array = (Object *) read(sp - 3);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(&((char *) ARRAY_DATA(array))[idx], val);
// pc += 1;
do_array_store(array, idx, 1);
break;
};
case OPC_CASTORE:
case OPC_SASTORE: {
// int val = read(--sp);
// int idx = read(--sp);
// Object *array = (Object *) read(--sp);
int idx = read(sp - 2);
Object *array = (Object *) read(sp - 3);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(&((short *) ARRAY_DATA(array))[idx], val);
// pc += 1;
do_array_store(array, idx, 2);
break;
};
case OPC_AASTORE: {
// Object *obj = (Object *) read(--sp);
// int idx = read(--sp);
// Object *array = (Object *) read( --sp);
Object *obj = (Object *) read(sp - 1);
int idx = read(sp - 2);
Object *array = (Object *) read(sp - 3);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
if ((obj != NULL)
&& !arrayStoreCheck(array->classobj, obj->classobj))
THROW_EXCEPTION(java_lang_ArrayStoreException, NULL);
// write(&((Object**) ARRAY_DATA(array))[idx], obj);
// pc += 1;
do_array_store(array, idx, 4);
break;
}
case OPC_LASTORE:
case OPC_DASTORE: {
// int idx = read(&sp[-3]);
// Object *array = (Object *) read(&sp[-4]);
// sp -= 4;
int idx = read(sp - 3);
Object *array = (Object *) read(sp - 4);
NULL_POINTER_CHECK(array);
ARRAY_BOUNDS_CHECK(array, idx);
// write(&((u8 *) ARRAY_DATA(array))[idx], read((u8 *) & sp[2]));
// pc += 1;
do_array_store(array, idx, 8);
break;
}
case OPC_DUP_X1: {
uintptr_t word1 = read(&sp[-1]);
uintptr_t word2 = read(&sp[-2]);
write(&sp[-2], word1);
write(&sp[-1], word2);
write(sp++, word1);
pc += 1;
break;
}
case OPC_DUP_X2: {
uintptr_t word1 = read(&sp[-1]);
uintptr_t word2 = read(&sp[-2]);
uintptr_t word3 = read(&sp[-3]);
write(&sp[-3], word1);
write(&sp[-2], word3);
write(&sp[-1], word2);
write(sp++, word1);
pc += 1;
break;
}
case OPC_DUP2: {
write(&sp[0], read(&sp[-2]));
write(&sp[1], read(&sp[-1]));
sp += 2;
pc += 1;
break;
}
case OPC_DUP2_X1: {
uintptr_t word1 = read(&sp[-1]);
uintptr_t word2 = read(&sp[-2]);
uintptr_t word3 = read(&sp[-3]);
write(&sp[-3], word2);
write(&sp[-2], word1);
write(&sp[-1], word3);
write(&sp[0], word2);
write(&sp[1], word1);
sp += 2;
pc += 1;
break;
}
case OPC_DUP2_X2: {
uintptr_t word1 = read(&sp[-1]);
uintptr_t word2 = read(&sp[-2]);
uintptr_t word3 = read(&sp[-3]);
uintptr_t word4 = read(&sp[-4]);
write(&sp[-4], word2);
write(&sp[-3], word1);
write(&sp[-2], word4);
write(&sp[-1], word3);
write(&sp[0], word2);
write(&sp[1], word1);
sp += 2;
pc += 1;
break;
}
case OPC_SWAP: {
uintptr_t word1 = read(&sp[-1]);
write(&sp[-1], read(&sp[-2]));
write(&sp[-2], word1);
pc += 1;
break;
}
case OPC_FADD:
write((float *) &sp[-sizeof(float) / 4 * 2],
read((float *) &sp[-sizeof(float) / 4 * 2]) +
read((float *) &sp[-sizeof(float) / 4]));
sp -= sizeof(float) / 4;
pc += 1;
break;
case OPC_DADD:
write((double *) &sp[-sizeof(double) / 4 * 2],
read((double *) &sp[-sizeof(double) / 4 * 2]) +
read((double *) &sp[-sizeof(double) / 4]));
sp -= sizeof(double) / 4;
pc += 1;
break;
case OPC_FSUB:
write((float *) &sp[-sizeof(float) / 4 * 2],
read((float *) &sp[-sizeof(float) / 4 * 2]) -
read((float *) &sp[-sizeof(float) / 4]));
sp -= sizeof(float) / 4;
pc += 1;
break;
case OPC_DSUB:
write((double *) &sp[-sizeof(double) / 4 * 2],
read((double *) &sp[-sizeof(double) / 4 * 2]) -
read((double *) &sp[-sizeof(double) / 4]));
sp -= sizeof(double) / 4;
pc += 1;
break;
case OPC_FMUL:
write((float *) &sp[-sizeof(float) / 4 * 2],
read((float *) &sp[-sizeof(float) / 4 * 2]) *
read((float *) &sp[-sizeof(float) / 4]));
sp -= sizeof(float) / 4;
pc += 1;
break;
case OPC_DMUL:
write((double *) &sp[-sizeof(double) / 4 * 2],
read((double *) &sp[-sizeof(double) / 4 * 2]) *
read((double *) &sp[-sizeof(double) / 4]));
sp -= sizeof(double) / 4;
pc += 1;
break;
case OPC_FDIV:
write((float *) &sp[-sizeof(float) / 4 * 2],
read((float *) &sp[-sizeof(float) / 4 * 2]) /
read((float *) &sp[-sizeof(float) / 4]));
sp -= sizeof(float) / 4;
pc += 1;
break;
case OPC_DDIV:
write((double *) &sp[-sizeof(double) / 4 * 2],
read((double *) &sp[-sizeof(double) / 4 * 2]) /
read((double *) &sp[-sizeof(double) / 4]));
sp -= sizeof(double) / 4;
pc += 1;
break;
case OPC_LADD:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) +
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LSUB:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) -
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LMUL:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) *
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LDIV:
ZERO_DIVISOR_CHECK(read((u8 *) & sp[-2]));
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) /
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LREM:
ZERO_DIVISOR_CHECK(read((u8 *) & sp[-2]));
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) %
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LAND:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) &
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LOR:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) |
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LXOR:
write((long long *) &sp[-sizeof(long long) / 4 * 2],
read((long long *) &sp[-sizeof(long long) / 4 * 2]) ^
read((long long *) &sp[-sizeof(long long) / 4]));
sp -= sizeof(long long) / 4;
pc += 1;
break;
case OPC_LSHL: {
int shift = read(--sp) & 0x3f;
write((long long *) &sp[-2], read((long long *) &sp[-2]) << shift);
pc += 1;
break;
}
case OPC_LSHR: {
int shift = read(--sp) & 0x3f;
write((long long *) &sp[-2],
read((long long *) &sp[-2]) >> shift);
pc += 1;
break;
};
case OPC_LUSHR: {
int shift = read(--sp) & 0x3f;
write((unsigned long long *) &sp[-2],
read((unsigned long long *) &sp[-2]) >> shift);
pc += 1;
break;
};
case OPC_FREM: {
float v2 = read((float *)&sp[-1]);
float v1 = read((float *)&sp[-2]);
write((float *) &sp[-2], fmod(v1, v2));
sp -= 1;
pc += 1;
break;
}
case OPC_DREM: {
double v2 = read((double *)&sp[-2]);
double v1 = read((double *)&sp[-4]);
write((double *) &sp[-4], fmod(v1, v2));
sp -= 2;
pc += 1;
break;
}
case OPC_LNEG:
write((long long *) &sp[-sizeof(long long) / 4],
-read((long long *) &sp[-sizeof(long long) / 4]));
pc += 1;
break;
case OPC_FNEG:
write((float *) &sp[-sizeof(float) / 4],
-read((float *) &sp[-sizeof(float) / 4]));
pc += 1;
break;
case OPC_DNEG:
write((double *) &sp[-sizeof(double) / 4],
-read((double *) &sp[-sizeof(double) / 4]));
pc += 1; break;
case OPC_I2L:
sp -= 1;
write((u8 *) sp, (int) read(sp));
sp += 2;
pc += 1;
break;
case OPC_L2I: {
long long l;
sp -= 2;
l = read((long long *) sp);
write(sp, (int) l);
sp++;
pc += 1;
break;
}
case OPC_I2F:
sp -= 1;
write((float *) sp, (float) (int) read(sp));
sp += sizeof(float) / 4;
pc += 1;
break;
case OPC_I2D:
sp -= 1;
write((double *) sp, (double) (int) read(sp));
sp += sizeof(double) / 4;
pc += 1;
break;
case OPC_L2F: {
long long v;
sp -= sizeof(long long) / 4;
v = read((long long *) sp);
write((float *) sp,(float) v);
sp += sizeof(float) / 4;
pc += 1;
break;
}
case OPC_L2D: {
long long v;
sp -= sizeof(long long) / 4;
v = read((long long *) sp);
write((double *) sp, (double) v);
sp += sizeof(double) / 4;
pc += 1;
break;
}
case OPC_F2D: {
float v;
sp -= sizeof(float) / 4;
v = read((float *) sp);
write((double *) sp, (double) v);
sp += sizeof(double) / 4;
pc += 1;
break;
}
case OPC_D2F: {
double v;
sp -= sizeof(double) / 4;
v = read((double *) sp);
write((float *) sp,(float) v);
sp += sizeof(float) / 4;
pc += 1;
break;
}
case OPC_F2I: {
int res;
float value;
sp -= sizeof(float) / 4;
value = read((float *) sp);
if (value >= (float) INT_MAX)
res = INT_MAX;
else
if (value <= (float) INT_MIN)
res = INT_MIN;
else
if (value != value)
res = 0;
else
res = (int) value;
write(sp, res);
sp++;
pc += 1;
break;
}
case OPC_D2I: {
int res;
double value;
sp -= sizeof(double) / 4;
value = read((double *) sp);
if (value >= (double) INT_MAX)
res = INT_MAX;
else
if (value <= (double) INT_MIN)
res = INT_MIN;
else
if (value != value)
res = 0;
else
res = (int) value;
write(sp, res);
sp++;
pc += 1;
break;
}
case OPC_F2L: {
long long res;
float value;
sp -= sizeof(float) / 4;
value = read((float *) sp);
if (value >= (float) LLONG_MAX)
res = LLONG_MAX;
else
if (value <= (float) LLONG_MIN)
res = LLONG_MIN;
else
if (value != value)
res = 0;
else
res = (long long) value;
write((u8 *) sp, res);
sp += 2;
pc += 1;
break;
}
case OPC_D2L: {
long long res;
double value;
sp -= sizeof(double) / 4;
value = read((double *) sp);
if (value >= (double) LLONG_MAX)
res = LLONG_MAX;
else
if (value <= (double) LLONG_MIN)
res = LLONG_MIN;
else
if (value != value)
res = 0;
else
res = (long long) value;
write((u8 *) sp, res);