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Add intrinsics.mem_copy and intrinsics.mem_copy_non_overlapping

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gingerBill
2021-05-19 10:50:02 +01:00
parent e0225c3579
commit e82e4398b6
4 changed files with 101 additions and 20 deletions
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core/runtime/internal.odin
+4 -20
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@@ -105,17 +105,9 @@ mem_copy :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
if src == nil {
return dst;
}
// NOTE(bill): This _must_ be implemented like C's memmove
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memmove.p0i8.p0i8.i64")
llvm_memmove :: proc "none" (dst, src: rawptr, len: int, is_volatile: bool = false) ---;
} else {
@(link_name="llvm.memmove.p0i8.p0i8.i32")
llvm_memmove :: proc "none" (dst, src: rawptr, len: int, is_volatile: bool = false) ---;
}
}
llvm_memmove(dst, src, len);
intrinsics.mem_copy(dst, src, len);
return dst;
}
@@ -123,17 +115,9 @@ mem_copy_non_overlapping :: proc "contextless" (dst, src: rawptr, len: int) -> r
if src == nil {
return dst;
}
// NOTE(bill): This _must_ be implemented like C's memcpy
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memcpy.p0i8.p0i8.i64")
llvm_memcpy :: proc "none" (dst, src: rawptr, len: int, is_volatile: bool = false) ---;
} else {
@(link_name="llvm.memcpy.p0i8.p0i8.i32")
llvm_memcpy :: proc "none" (dst, src: rawptr, len: int, is_volatile: bool = false) ---;
}
}
llvm_memcpy(dst, src, len);
intrinsics.mem_copy_non_overlapping(dst, src, len);
return dst;
}