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Add inlined memcpy and memset builtins and macros. (#668)

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This commit is contained in:
Dmitry Atamanov
2022-12-12 15:45:01 +05:00
committed by GitHub
parent 50d2a04c48
commit 8b0d409695
11 changed files with 74 additions and 35 deletions
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25
lib/std/core/mem.c3
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@@ -26,7 +26,6 @@ macro void* aligned_pointer(void* ptr, usz alignment)
return (void*)(uptr)aligned_offset((uptr)ptr, alignment);
}
/**
* @require math::is_power_of_2(alignment)
**/
@@ -35,14 +34,22 @@ fn bool ptr_is_aligned(void* ptr, usz alignment) @inline
return (uptr)ptr & ((uptr)alignment - 1) == 0;
}
macro void copy(void* dst, void* src, usz len, usz $dst_align = 0, usz $src_align = 0, bool $is_volatile = false)
macro void clear(void* dst, usz len, usz $dst_align = 0, bool $is_volatile = false, bool $inlined = false)
{
$$memcpy(dst, src, len, $is_volatile, $dst_align, $src_align);
$if ($inlined):
$$memset_inline(dst, (char)0, len, $is_volatile, $dst_align);
$else:
$$memset(dst, (char)0, len, $is_volatile, $dst_align);
$endif;
}
macro void set(void* dst, char val, usz len, usz $dst_align = 0, bool $is_volatile = false)
macro void copy(void* dst, void* src, usz len, usz $dst_align = 0, usz $src_align = 0, bool $is_volatile = false, bool $inlined = false)
{
$$memset(dst, val, len, $is_volatile, $dst_align);
$if ($inlined):
$$memcpy_inline(dst, src, len, $is_volatile, $dst_align, $src_align);
$else:
$$memcpy(dst, src, len, $is_volatile, $dst_align, $src_align);
$endif;
}
macro void move(void* dst, void* src, usz len, usz $dst_align = 0, usz $src_align = 0, bool $is_volatile = false)
@@ -50,9 +57,13 @@ macro void move(void* dst, void* src, usz len, usz $dst_align = 0, usz $src_alig
$$memmove(dst, src, len, $is_volatile, $dst_align, $src_align);
}
macro void clear(void* dst, usz len, usz $dst_align = 0, bool $is_volatile = false)
macro void set(void* dst, char val, usz len, usz $dst_align = 0, bool $is_volatile = false, bool $inlined = false)
{
$$memset(dst, (char)0, len, $is_volatile, $dst_align);
$if ($inlined):
$$memset_inline(dst, val, len, $is_volatile, $dst_align);
$else:
$$memset(dst, val, len, $is_volatile, $dst_align);
$endif;
}
/**