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libxenia-base can now compile with clang.

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This commit is contained in:
Ben Vanik
2015-07-15 23:02:04 -07:00
parent f520d3a2a4
commit 74d2df2004
8 changed files with 67 additions and 12 deletions
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12
src/xenia/base/math.h
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@@ -60,7 +60,7 @@ T next_pow2(T value) {
// The number of leading zero bits in the value parameter. If value is zero, the
// return value is the size of the input operand (8, 16, 32, or 64). If the most
// significant bit of value is one, the return value is zero.
#if XE_COMPILER_MSVC
#if XE_PLATFORM_WIN32
// TODO(benvanik): runtime magic so these point to an appropriate implementation
// at runtime based on CPU features
#if 0
@@ -109,7 +109,7 @@ inline uint8_t lzcnt(uint32_t v) {
inline uint8_t lzcnt(uint64_t v) {
return static_cast<uint8_t>(__builtin_clzll(v));
}
#endif // XE_COMPILER_MSVC
#endif // XE_PLATFORM_WIN32
inline uint8_t lzcnt(int8_t v) { return lzcnt(static_cast<uint8_t>(v)); }
inline uint8_t lzcnt(int16_t v) { return lzcnt(static_cast<uint16_t>(v)); }
inline uint8_t lzcnt(int32_t v) { return lzcnt(static_cast<uint32_t>(v)); }
@@ -119,7 +119,7 @@ inline uint8_t lzcnt(int64_t v) { return lzcnt(static_cast<uint64_t>(v)); }
// Search the value from least significant bit (LSB) to the most significant bit
// (MSB) for a set bit (1).
// Returns false if no bits are set and the output index is invalid.
#if XE_COMPILER_MSVC
#if XE_PLATFORM_WIN32
inline bool bit_scan_forward(uint32_t v, uint32_t* out_first_set_index) {
return _BitScanForward(reinterpret_cast<unsigned long*>(out_first_set_index),
v) != 0;
@@ -139,7 +139,7 @@ inline bool bit_scan_forward(uint64_t v, uint32_t* out_first_set_index) {
*out_first_set_index = i;
return i != 0;
}
#endif // XE_COMPILER_MSVC
#endif // XE_PLATFORM_WIN32
inline bool bit_scan_forward(int32_t v, uint32_t* out_first_set_index) {
return bit_scan_forward(static_cast<uint32_t>(v), out_first_set_index);
}
@@ -160,7 +160,7 @@ template <typename T>
inline T rotate_left(T v, uint8_t sh) {
return (T(v) << sh) | (T(v) >> ((sizeof(T) * 8) - sh));
}
#if XE_COMPILER_MSVC
#if XE_PLATFORM_WIN32
template <>
inline uint8_t rotate_left(uint8_t v, uint8_t sh) {
return _rotl8(v, sh);
@@ -177,7 +177,7 @@ template <>
inline uint64_t rotate_left(uint64_t v, uint8_t sh) {
return _rotl64(v, sh);
}
#endif // XE_COMPILER_MSVC
#endif // XE_PLATFORM_WIN32
// Utilities for SSE values.
template <int N>