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Common/StringUtil: Optimize equal stride copy case

This commit is contained in:
Connor McLaughlin 2022-03-19 22:16:27 +10:00 committed by refractionpcsx2
parent 67fa06b933
commit 3255422836
1 changed files with 9 additions and 0 deletions
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9
common/StringUtil.h
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@ -178,6 +178,12 @@ namespace StringUtil
static inline void StrideMemCpy(void* dst, std::size_t dst_stride, const void* src, std::size_t src_stride,
std::size_t copy_size, std::size_t count)
{
if (src_stride == dst_stride && src_stride == copy_size)
{
std::memcpy(dst, src, src_stride * count);
return;
}
const u8* src_ptr = static_cast<const u8*>(src);
u8* dst_ptr = static_cast<u8*>(dst);
for (std::size_t i = 0; i < count; i++)
@ -191,6 +197,9 @@ namespace StringUtil
static inline int StrideMemCmp(const void* p1, std::size_t p1_stride, const void* p2, std::size_t p2_stride,
std::size_t copy_size, std::size_t count)
{
if (p1_stride == p2_stride && p1_stride == copy_size)
return std::memcmp(p1, p2, p1_stride * count);
const u8* p1_ptr = static_cast<const u8*>(p1);
const u8* p2_ptr = static_cast<const u8*>(p2);
for (std::size_t i = 0; i < count; i++)