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Fix runtime.mem_copy_non_overlapping to be like C's memcpy

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gingerBill
2019-12-24 08:07:43 +00:00
committed by GitHub
parent 85e31e1b69
commit 5b1312342e
1 changed files with 4 additions and 4 deletions
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8
core/runtime/internal.odin
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@@ -20,17 +20,17 @@ mem_copy :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
mem_copy_non_overlapping :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
if src == nil do return dst;
// NOTE(bill): This _must_ be implemented like C's memmove
// NOTE(bill): This _must_ be implemented like C's memcpy
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memmove.p0i8.p0i8.i64")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
llvm_memcpy :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
} else {
@(link_name="llvm.memmove.p0i8.p0i8.i32")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
llvm_memcpy :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
}
}
llvm_memmove(dst, src, len, 1, false);
llvm_memcpy(dst, src, len, 1, false);
return dst;
}