tor-browser

commit 0f52219f177675dc84be3d2670755f3461c21fba
parent 5314ded4677bfe72b0a9e15916c5a35f4ae34c34
Author: André Bargull <andre.bargull@gmail.com>
Date:   Fri, 14 Nov 2025 13:38:06 +0000

Bug 1999492 - Part 2: Add more constructors to Int128. r=iain

These are needed for `ReciprocalMulConstants`.

Differential Revision: https://phabricator.services.mozilla.com/D272137

Diffstat:
M
js/src/vm/Int128.h
 | 
28
+++++++++++++++++++++++++---

1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/js/src/vm/Int128.h b/js/src/vm/Int128.h
@@ -203,7 +203,18 @@ class alignas(16) Uint128 final {
   constexpr Uint128() = default;
   constexpr Uint128(const Uint128&) = default;
 
-  explicit constexpr Uint128(uint64_t value)
+  explicit constexpr Uint128(int value)
+      : Uint128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+  explicit constexpr Uint128(long value)
+      : Uint128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+  explicit constexpr Uint128(long long value)
+      : Uint128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+
+  explicit constexpr Uint128(unsigned int value)
+      : Uint128(uint64_t(value), uint64_t(0)) {}
+  explicit constexpr Uint128(unsigned long value)
+      : Uint128(uint64_t(value), uint64_t(0)) {}
+  explicit constexpr Uint128(unsigned long long value)
       : Uint128(uint64_t(value), uint64_t(0)) {}
 
   constexpr bool operator==(const Uint128& other) const {
@@ -456,8 +467,19 @@ class alignas(16) Int128 final {
   constexpr Int128() = default;
   constexpr Int128(const Int128&) = default;
 
-  explicit constexpr Int128(int64_t value)
-      : Int128(uint64_t(value), uint64_t(value >> 63)) {}
+  explicit constexpr Int128(int value)
+      : Int128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+  explicit constexpr Int128(long value)
+      : Int128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+  explicit constexpr Int128(long long value)
+      : Int128(uint64_t(value), uint64_t(value < 0 ? -1 : 0)) {}
+
+  explicit constexpr Int128(unsigned int value)
+      : Int128(uint64_t(value), uint64_t(0)) {}
+  explicit constexpr Int128(unsigned long value)
+      : Int128(uint64_t(value), uint64_t(0)) {}
+  explicit constexpr Int128(unsigned long long value)
+      : Int128(uint64_t(value), uint64_t(0)) {}
 
   /**
    * Return the quotient and remainder of the division.