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implement dup variants

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This commit is contained in:
Zack Buhman 2024-12-25 06:40:15 -06:00
parent f1709eb369
commit 661e5c0751
1 changed files with 47 additions and 8 deletions
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55
c/execute.c
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@ -411,27 +411,58 @@ void op_dup(struct vm * vm)
void op_dup2(struct vm * vm)
{
assert(!"op_dup2");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
}
void op_dup2_x1(struct vm * vm)
{
assert(!"op_dup2_x1");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
uint32_t value3 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value3);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
}
void op_dup2_x2(struct vm * vm)
{
assert(!"op_dup2_x2");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
uint32_t value3 = operand_stack_pop_u32(vm->current_frame);
uint32_t value4 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value4);
operand_stack_push_u32(vm->current_frame, value3);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
}
void op_dup_x1(struct vm * vm)
{
assert(!"op_dup_x1");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
}
void op_dup_x2(struct vm * vm)
{
assert(!"op_dup_x2");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
uint32_t value3 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value3);
operand_stack_push_u32(vm->current_frame, value2);
operand_stack_push_u32(vm->current_frame, value1);
}
void op_f2d(struct vm * vm)
@ -734,7 +765,7 @@ void op_goto(struct vm * vm, int32_t branch)
void op_goto_w(struct vm * vm, int32_t branch)
{
assert(!"op_goto_w");
vm->current_frame->pc = vm->current_frame->pc + branch;
}
void op_i2b(struct vm * vm)
@ -1350,7 +1381,12 @@ void op_ldc2_w(struct vm * vm, uint32_t index)
void op_ldc_w(struct vm * vm, uint32_t index)
{
assert(!"op_ldc_w");
struct constant * constant = &vm->current_frame->class->constant_pool[index - 1];
#ifdef DEBUG
assert(constant->tag == CONSTANT_Integer || constant->tag == CONSTANT_Float);
#endif
int32_t value = constant->integer.bytes;
operand_stack_push_u32(vm->current_frame, value);
}
void op_ldiv(struct vm * vm)
@ -1794,7 +1830,10 @@ void op_sipush(struct vm * vm, int32_t byte)
void op_swap(struct vm * vm)
{
assert(!"op_swap");
uint32_t value1 = operand_stack_pop_u32(vm->current_frame);
uint32_t value2 = operand_stack_pop_u32(vm->current_frame);
operand_stack_push_u32(vm->current_frame, value1);
operand_stack_push_u32(vm->current_frame, value2);
}
void op_tableswitch(struct vm * vm, int32_t defaultbyte, int32_t lowbyte, int32_t highbyte, const int32_t * table)