Commit 83bf6629 authored by Nico Hartmann's avatar Nico Hartmann Committed by V8 LUCI CQ

[Torque] Fix compile error in integer-literal.h

Bug: v8:7793
Change-Id: I88e6ea24909ba1dde8cada90d7b195b6f6ecc783
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3400958Reviewed-by: 's avatarJakob Gruber <jgruber@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78678}
parent 069d62eb
......@@ -12,6 +12,15 @@
namespace v8 {
namespace internal {
template <typename T, bool Safe>
struct Shifter {
static constexpr T shift_right(T value, T shift) { return value >> shift; }
};
template <typename T>
struct Shifter<T, false> {
static constexpr T shift_right(T value, T shift) { return T(0); }
};
class IntegerLiteral {
public:
using digit_t = bigint::digit_t;
......@@ -100,19 +109,20 @@ class IntegerLiteral {
explicit IntegerLiteral(T value, bool perform_dcheck) : sign_(false) {
static_assert(std::is_integral<T>::value, "Integral type required");
if (value == T(0)) return;
auto absolute = static_cast<typename std::make_unsigned<T>::type>(value);
using unsigned_t = std::make_unsigned_t<T>;
auto absolute = static_cast<unsigned_t>(value);
if (value < T(0)) {
sign_ = true;
absolute = (~absolute) + 1;
}
if (sizeof(absolute) <= sizeof(digit_t)) {
digits_.push_back(absolute);
} else {
do {
digits_.push_back(static_cast<digit_t>(absolute));
absolute >>= sizeof(digit_t) * kBitsPerByte;
absolute =
Shifter<unsigned_t, (sizeof(absolute) >
sizeof(digit_t))>::shift_right(absolute,
sizeof(digit_t) *
kBitsPerByte);
} while (absolute != 0);
}
if (perform_dcheck) DCHECK_EQ(To<T>(), value);
}
......
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