Branchless: Introduce TrueMask and FalseMask constants.

2026-08-30 01:48:58 +03:00
parent 1386caba9f
commit 72e4803939
2 changed files with 5 additions and 2 deletions
@@ -52,8 +52,8 @@ public:
        uint8_t padSizeIncrement = 1;
        uint8_t padSize = 0;

-        uint8_t encountered0x80 = 0x00;
-        uint8_t onlyZerosPast0x80 = 0xFF;
+        uint8_t encountered0x80 = Branchless::FalseMask;
+        uint8_t onlyZerosPast0x80 = Branchless::TrueMask;

        InputIt it = end;
        while (it != begin && padSize < std::numeric_limits<uint8_t>::max())
@@ -10,6 +10,9 @@ namespace Chaos::Service

 struct Branchless
 {
+    static constexpr uint8_t FalseMask = 0x00;
+    static constexpr uint8_t TrueMask = 0xFF;
+
    template<typename OutUInt, typename InUInt>
    static constexpr OutUInt MsbMask(InUInt in) noexcept
    {