static void fixnum_or(JITOperations& ops, Inliner& i) {
Value* lint = ops.cast_int(i.recv());
Value* rint = ops.cast_int(i.arg(0));
Value* anded = BinaryOperator::CreateAnd(lint, rint, "fixnums_anded",
ops.current_block());
Value* fix_mask = ConstantInt::get(ops.NativeIntTy, TAG_FIXNUM_MASK);
Value* fix_tag = ConstantInt::get(ops.NativeIntTy, TAG_FIXNUM);
Value* masked = BinaryOperator::CreateAnd(anded, fix_mask, "masked",
ops.current_block());
Value* cmp = ops.create_equal(masked, fix_tag, "is_fixnum");
BasicBlock* push = ops.new_block("push_bit_or");
BasicBlock* send = i.failure();
ops.create_conditional_branch(push, send, cmp);
ops.set_block(push);
Value* ored = BinaryOperator::CreateOr(lint, rint, "fixnums_ored",
ops.current_block());
i.exception_safe();
i.set_result(ops.as_obj(ored));
}
static void fixnum_compare(MathOperation op, JITOperations& ops, Inliner& i) {
Value* lint = ops.cast_int(i.recv());
Value* rint = ops.cast_int(i.arg(0));
Value* anded = BinaryOperator::CreateAnd(lint, rint, "fixnums_anded",
ops.current_block());
Value* fix_mask = ConstantInt::get(ops.NativeIntTy, TAG_FIXNUM_MASK);
Value* fix_tag = ConstantInt::get(ops.NativeIntTy, TAG_FIXNUM);
Value* masked = BinaryOperator::CreateAnd(anded, fix_mask, "masked",
ops.current_block());
Value* cmp = ops.create_equal(masked, fix_tag, "is_fixnum");
BasicBlock* push = ops.new_block("push_le");
BasicBlock* send = i.failure();
ops.create_conditional_branch(push, send, cmp);
ops.set_block(push);
Value* performed = 0;
switch(op) {
case cEqual:
performed = ops.b().CreateICmpEQ(lint, rint, "fixnum.eq");
break;
case cLessThan:
performed = ops.b().CreateICmpSLT(lint, rint, "fixnum.lt");
break;
case cLessThanEqual:
performed = ops.b().CreateICmpSLE(lint, rint, "fixnum.le");
break;
case cGreaterThan:
performed = ops.b().CreateICmpSGT(lint, rint, "fixnum.gt");
break;
case cGreaterThanEqual:
performed = ops.b().CreateICmpSGE(lint, rint, "fixnum.ge");
break;
default:
abort();
}
Value* le = ops.b().CreateSelect(
performed,
ops.constant(Qtrue),
ops.constant(Qfalse));
i.use_send_for_failure();
i.exception_safe();
i.set_result(ops.as_obj(le));
}
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));
}
