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use new roc alloc stuff for List.set

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This commit is contained in:
Folkert 2021-05-24 18:27:27 +02:00
parent 91b49ecf98
commit 799e4a3239
2 changed files with 3 additions and 48 deletions
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5
compiler/builtins/bitcode/src/list.zig
View file

@ -989,7 +989,7 @@ inline fn listSetClone(
const data_bytes = length * element_width;
var new_bytes = utils.mallocWithRefcount(alignment, data_bytes);
var new_bytes = utils.allocateWithRefcount(alignment, data_bytes);
@memcpy(new_bytes, old_bytes orelse undefined, data_bytes);
@ -1002,7 +1002,8 @@ inline fn listSetClone(
// copy in the new element
@memcpy(element_at_index, element orelse undefined, element_width);
// TODO decref the input list!
// consume RC token of original
utils.decref(alignment, old_bytes, data_bytes);
//return list;
return new_bytes;

46
compiler/builtins/bitcode/src/utils.zig
View file

@ -190,52 +190,6 @@ pub fn allocateWithRefcount(
}
}
pub fn mallocWithRefcount(
alignment: usize,
data_bytes: usize,
) [*]u8 {
comptime const result_in_place = false;
switch (alignment) {
16 => {
const length = 2 * @sizeOf(usize) + data_bytes;
var new_bytes: [*]align(16) u8 = @ptrCast([*]u8, @alignCast(16, std.c.malloc(length)));
var as_usize_array = @ptrCast([*]usize, new_bytes);
if (result_in_place) {
as_usize_array[0] = 0;
as_usize_array[1] = @intCast(usize, number_of_slots);
} else {
as_usize_array[0] = 0;
as_usize_array[1] = REFCOUNT_ONE;
}
var as_u8_array = @ptrCast([*]u8, new_bytes);
const first_slot = as_u8_array + 2 * @sizeOf(usize);
return first_slot;
},
else => {
const length = @sizeOf(usize) + data_bytes;
var new_bytes: [*]align(8) u8 = @ptrCast([*]u8, @alignCast(8, std.c.malloc(length)));
var as_usize_array = @ptrCast([*]isize, new_bytes);
if (result_in_place) {
as_usize_array[0] = @intCast(isize, number_of_slots);
} else {
as_usize_array[0] = REFCOUNT_ONE_ISIZE;
}
var as_u8_array = @ptrCast([*]u8, new_bytes);
const first_slot = as_u8_array + @sizeOf(usize);
return first_slot;
},
}
}
pub fn unsafeReallocate(
source_ptr: [*]u8,
alignment: usize,