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address unicode issue (#2763)

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* Fix an oopsie

* Another oopsie

* use inline for

* Fixup

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
This commit is contained in:
Jarred Sumner
2023-04-27 08:37:37 -07:00
committed by GitHub
parent 3ee22065f0
commit 52c50e3737
3 changed files with 17 additions and 19 deletions
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25
src/string_immutable.zig
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@@ -1105,29 +1105,20 @@ pub inline fn copyU16IntoU8(output_: []u8, comptime InputType: type, input_: Inp
var output_ptr = output.ptr;
if (comptime Environment.enableSIMD) {
const last_vector_ptr = input.ptr + (@min(input.len, output.len) & ~(group - 1));
const end_len = (@min(input.len, output.len) & ~(group - 1));
const last_vector_ptr = input.ptr + end_len;
while (last_vector_ptr != input_ptr) {
const input_vec1: @Vector(group, u16) = input_ptr[0..group].*;
output_ptr[0] = @truncate(u8, input_vec1[0]);
output_ptr[1] = @truncate(u8, input_vec1[1]);
output_ptr[2] = @truncate(u8, input_vec1[2]);
output_ptr[3] = @truncate(u8, input_vec1[3]);
output_ptr[4] = @truncate(u8, input_vec1[4]);
output_ptr[5] = @truncate(u8, input_vec1[5]);
output_ptr[6] = @truncate(u8, input_vec1[6]);
output_ptr[7] = @truncate(u8, input_vec1[7]);
output_ptr[8] = @truncate(u8, input_vec1[8]);
output_ptr[9] = @truncate(u8, input_vec1[9]);
output_ptr[10] = @truncate(u8, input_vec1[10]);
output_ptr[11] = @truncate(u8, input_vec1[11]);
output_ptr[12] = @truncate(u8, input_vec1[12]);
output_ptr[13] = @truncate(u8, input_vec1[13]);
output_ptr[14] = @truncate(u8, input_vec1[14]);
output_ptr[15] = @truncate(u8, input_vec1[15]);
inline for (0..group) |i| {
output_ptr[i] = @truncate(u8, input_vec1[i]);
}
output_ptr += group;
input_ptr += group;
}
input.len -= end_len;
output.len -= end_len;
}
const last_input_ptr = input_ptr + @min(input.len, output.len);