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Remove mem_zero from make; Implement custom memset for windows amd64

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This commit is contained in:
gingerBill
2020-05-27 20:17:58 +01:00
parent 3d4a3730b0
commit 1d7f99cbdf
2 changed files with 9 additions and 5 deletions
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4
core/runtime/core.odin
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@@ -631,7 +631,7 @@ make_aligned :: proc($T: typeid/[]$E, auto_cast len: int, alignment: int, alloca
if data == nil && size_of(E) != 0 {
return nil;
}
mem_zero(data, size_of(E)*len);
// mem_zero(data, size_of(E)*len);
s := Raw_Slice{data, len};
return transmute(T)s;
}
@@ -659,7 +659,7 @@ make_dynamic_array_len_cap :: proc($T: typeid/[dynamic]$E, auto_cast len: int, a
if data == nil && size_of(E) != 0 {
s.len, s.cap = 0, 0;
}
mem_zero(data, size_of(E)*cap);
// mem_zero(data, size_of(E)*cap);
return transmute(T)s;
}

10
core/runtime/procs_windows_amd64.odin
View File

@@ -30,10 +30,14 @@ memmove :: proc "c" (dst, src: rawptr, len: int) -> rawptr {
// @(link_name="memset")
memset :: proc "c" (ptr: rawptr, val: i32, len: int) -> rawptr {
foreign kernel32 {
RtlFillMemory :: proc "c" (dst: rawptr, len: int, fill: byte) ---
b := byte(val);
p_start := uintptr(ptr);
p_end := p_start + uintptr(max(len, 0));
for p := p_start; p < p_end; p += 1 {
(^byte)(p)^ = b;
}
RtlFillMemory(ptr, len, byte(val));
return ptr;
}