language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-10-02 16:21:11 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Don't hardcode 16 bytes in str.zig

Browse source
This commit is contained in:
Richard Feldman 2021-06-21 08:36:50 -04:00
parent 89996c4b43
commit 6b8c39c8cb
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
compiler/builtins/bitcode/src/str.zig
View file

@ -17,7 +17,7 @@ const InPlace = packed enum(u8) {
const SMALL_STR_MAX_LENGTH = small_string_size - 1; const SMALL_STR_MAX_LENGTH = small_string_size - 1;
const small_string_size = 2 * @sizeOf(usize); const small_string_size = 2 * @sizeOf(usize);
const blank_small_string: [16]u8 = init_blank_small_string(small_string_size); const blank_small_string: [@sizeOf(RocStr)]u8 = init_blank_small_string(small_string_size);
fn init_blank_small_string(comptime n: usize) [n]u8 { fn init_blank_small_string(comptime n: usize) [n]u8 {
var prime_list: [n]u8 = undefined; var prime_list: [n]u8 = undefined;
@ -246,7 +246,7 @@ pub const RocStr = extern struct {
pub fn asU8ptr(self: RocStr) [*]u8 { pub fn asU8ptr(self: RocStr) [*]u8 {
// Since this conditional would be prone to branch misprediction, // Since this conditional would be prone to branch misprediction,
// make sure it will compile to a cmov. // make sure it will compile to a cmov.
return if (self.isSmallStr() or self.isEmpty()) (&@bitCast([16]u8, self)) else (@ptrCast([*]u8, self.str_bytes)); return if (self.isSmallStr() or self.isEmpty()) (&@bitCast([@sizeOf(RocStr)]u8, self)) else (@ptrCast([*]u8, self.str_bytes));
} }
// Given a pointer to some bytes, write the first (len) bytes of this // Given a pointer to some bytes, write the first (len) bytes of this