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Merge remote-tracking branch 'origin/increment-many' into specialize-lowlevel

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Folkert 2021-05-16 21:57:15 +02:00
commit 917acac843
6 changed files with 106 additions and 99 deletions
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12
compiler/builtins/bitcode/src/list.zig
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@ -11,6 +11,7 @@ const CompareFn = fn (?[*]u8, ?[*]u8, ?[*]u8) callconv(.C) u8;
const Opaque = ?[*]u8;
const Inc = fn (?[*]u8) callconv(.C) void;
const IncN = fn (?[*]u8, usize) callconv(.C) void;
const Dec = fn (?[*]u8) callconv(.C) void;
pub const RocList = extern struct {
@ -616,7 +617,7 @@ pub fn listContains(list: RocList, key: Opaque, key_width: usize, is_eq: EqFn) c
return false;
}
pub fn listRepeat(count: usize, alignment: usize, element: Opaque, element_width: usize, inc_n_element: Inc) callconv(.C) RocList {
pub fn listRepeat(count: usize, alignment: usize, element: Opaque, element_width: usize, inc_n_element: IncN) callconv(.C) RocList {
if (count == 0) {
return RocList.empty();
}
@ -625,18 +626,15 @@ pub fn listRepeat(count: usize, alignment: usize, element: Opaque, element_width
var output = RocList.allocate(allocator, alignment, count, element_width);
if (output.bytes) |target_ptr| {
// increment the element's RC N times
inc_n_element(element, count);
var i: usize = 0;
const source = element orelse unreachable;
while (i < count) : (i += 1) {
@memcpy(target_ptr + i * element_width, source, element_width);
}
// TODO do all increments at once!
i = 0;
while (i < count) : (i += 1) {
inc_n_element(element);
}
return output;
} else {
unreachable;