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[ox/std] Add ox_inhibit_loop_to_libcall for memset and memcpy

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This commit is contained in:
Gary Talent 2019-11-09 00:06:05 -06:00
parent ddb158e433
commit e470a1da09
2 changed files with 8 additions and 4 deletions
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8
deps/ox/src/ox/std/memops.cpp vendored
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@ -11,18 +11,22 @@
#ifndef OX_USE_STDLIB #ifndef OX_USE_STDLIB
#define ox_inhibit_loop_to_libcall __attribute__((__optimize__ ("-fno-tree-loop-distribute-patterns")))
extern "C" { extern "C" {
void *memcpy(void *dest, const void *src, std::size_t size) { void *ox_inhibit_loop_to_libcall memcpy(void *dest, const void *src, std::size_t size) {
return ox_memcpy(dest, src, size); return ox_memcpy(dest, src, size);
} }
void *memset(void *ptr, int val, std::size_t size) { void *ox_inhibit_loop_to_libcall memset(void *ptr, int val, std::size_t size) {
return ox_memset(ptr, val, size); return ox_memset(ptr, val, size);
} }
} }
#undef ox_inhibit_loop_to_libcall
#endif #endif
int ox_memcmp(const void *ptr1, const void *ptr2, std::size_t size) noexcept { int ox_memcmp(const void *ptr1, const void *ptr2, std::size_t size) noexcept {

4
deps/ox/src/ox/std/memops.hpp vendored
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@ -28,9 +28,9 @@ constexpr void *ox_memcpy(void *dest, const void *src, std::size_t size) noexcep
} }
constexpr void *ox_memset(void *ptr, int val, std::size_t size) noexcept { constexpr void *ox_memset(void *ptr, int val, std::size_t size) noexcept {
auto buf = static_cast<char*>(ptr); auto buf = reinterpret_cast<uint8_t*>(ptr);
for (std::size_t i = 0; i < size; i++) { for (std::size_t i = 0; i < size; i++) {
buf[i] = val; buf[i] = static_cast<uint8_t>(val);
} }
return ptr; return ptr;
} }