static void fixnum_s_eqq(JITOperations& ops, Inliner& i) {
Value* cmp = ops.check_if_fixnum(i.arg(0));
Value* imm_value = ops.b().CreateSelect(cmp,
ops.constant(Qtrue), ops.constant(Qfalse), "is_fixnum");
i.exception_safe();
i.set_result(imm_value);
}
static void call_tuple_put(JITOperations& ops, Inliner& i) {
Value* rec = i.recv();
Value* cmp = ops.check_type_bits(rec, rubinius::Tuple::type);
BasicBlock* is_tuple = ops.new_block("is_tuple");
BasicBlock* access = ops.new_block("tuple_put");
BasicBlock* is_other = i.failure();
ops.create_conditional_branch(is_tuple, is_other, cmp);
ops.set_block(is_tuple);
Value* index_val = i.arg(0);
Value* fix_cmp = ops.check_if_fixnum(index_val);
Value* tup = ops.upcast(rec, "Tuple");
Value* index = ops.fixnum_to_native(index_val);
Value* full_size = ops.get_tuple_size(tup);
Value* size_cmp = ops.create_less_than(index, full_size, "is_in_bounds");
// Combine fix_cmp and size_cmp to validate entry into access code
Value* access_cmp = ops.create_and(fix_cmp, size_cmp, "access_cmp");
ops.create_conditional_branch(access, is_other, access_cmp);
ops.set_block(access);
Value* value = i.arg(1);
Value* idx[] = {
ConstantInt::get(ops.state()->Int32Ty, 0),
ConstantInt::get(ops.state()->Int32Ty, offset::tuple_field),
index
};
Value* gep = ops.create_gep(tup, idx, 3, "field_pos");
ops.create_store(value, gep);
ops.write_barrier(tup, value);
i.exception_safe();
i.set_result(value);
}
static void fixnum_neg(JITOperations& ops, Inliner& i) {
BasicBlock* use_send = i.failure();
BasicBlock* inlined = ops.new_block("fixnum_neg");
Value* self = i.recv();
Value* cmp = ops.check_if_fixnum(self);
ops.create_conditional_branch(inlined, use_send, cmp);
ops.set_block(inlined);
Value* native = ops.fixnum_strip(self);
Value* neg = BinaryOperator::CreateSub(
ops.Zero, native, "to_neg",
ops.current_block());
Value* more = BinaryOperator::CreateShl(neg, ops.One, "shl", ops.current_block());
Value* tagged = BinaryOperator::CreateOr(more, ops.One, "or", ops.current_block());
i.exception_safe();
i.set_result(ops.as_obj(tagged));
}
static void float_op(MathOperation op, Class* klass,
JITOperations& ops, Inliner& i)
{
i.use_send_for_failure();
Value* self = i.recv();
ops.check_class(self, klass, i.failure());
Value* arg = i.arg(0);
BasicBlock* not_float = ops.new_block();
ops.check_class(arg, klass, not_float);
// Float#*(Float)
Value* farg = ops.b().CreateBitCast(arg, ops.state()->ptr_type("Float"),
"arg_float");
Value* unboxed_rhs = ops.b().CreateLoad(
ops.b().CreateConstGEP2_32(farg, 0, 1, "arg.value_pos"), "farg");
BasicBlock* perform = ops.new_block();
BasicBlock* unbox_block = ops.current_block();
ops.b().CreateBr(perform);
// Float#*(Fixnum)
ops.set_block(not_float);
ops.verify_guard(ops.check_if_fixnum(arg), i.failure());
Value* fix_rhs = ops.b().CreateSIToFP(
ops.fixnum_to_native(arg), unboxed_rhs->getType());
BasicBlock* convert_block = ops.current_block();
ops.b().CreateBr(perform);
// perform operation
perform->moveAfter(convert_block);
ops.set_block(perform);
PHINode* rhs = ops.b().CreatePHI(fix_rhs->getType(), "rhs");
rhs->addIncoming(unboxed_rhs, unbox_block);
rhs->addIncoming(fix_rhs, convert_block);
Value* fself = ops.b().CreateBitCast(self, ops.state()->ptr_type("Float"),
"self_float");
Value* lhs = ops.b().CreateLoad(
ops.b().CreateConstGEP2_32(fself, 0, 1, "self.value_pos"), "fself");
Value* performed = 0;
switch(op) {
case cAdd:
performed = ops.b().CreateFAdd(lhs, rhs, "float.add");
break;
case cSub:
performed = ops.b().CreateFSub(lhs, rhs, "float.sub");
break;
case cMultiply:
performed = ops.b().CreateFMul(lhs, rhs, "float.mul");
break;
case cDivide:
performed = ops.b().CreateFDiv(lhs, rhs, "float.div");
break;
case cMod:
performed = ops.b().CreateFRem(lhs, rhs, "float.mod");
break;
default:
abort();
}
Signature sig(ops.state(), ops.state()->ptr_type("Float"));
sig << "VM";
Function* func = sig.function("rbx_float_allocate");
func->setDoesNotAlias(0, true); // return value
Value* call_args[] = { ops.vm() };
CallInst* res = sig.call("rbx_float_allocate", call_args, 1, "result", ops.b());
ops.b().CreateStore(
performed,
ops.b().CreateConstGEP2_32(res, 0, 1));
i.exception_safe();
i.set_result(ops.b().CreateBitCast(res, ops.ObjType));
}