Applied-Software/ghostty
5
0
Fork 0
mirror of https://github.com/ghostty-org/ghostty.git synced 2025-07-24 04:36:10 +03:00
Code Issues Packages Projects Releases Wiki Activity

simd: only ref buildable decls

Browse Source
This commit is contained in:
Mitchell Hashimoto
2024-01-29 21:01:40 -08:00
parent e682cea911
commit 5b295cf6e2
2 changed files with 15 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/simd/main.zig
View File

@ -2,16 +2,16 @@ const std = @import("std");
pub const isa = @import("isa.zig");
pub const utf8 = @import("utf8.zig");
const index_of = @import("index_of.zig");
pub usingnamespace index_of;
pub const index_of = @import("index_of.zig");
pub fn main() !void {
//std.log.warn("ISA={}", .{isa.ISA.detect()});
const input = "1234567\x1b1234567\x1b";
//const input = "1234567812345678";
std.log.warn("result={any}", .{index_of.indexOf(input, 0x1B)});
std.log.warn("result={any}", .{utf8.utf8Validate(input)});
}
// TODO: temporary, only for zig build simd to inspect disasm easily
// pub fn main() !void {
// //std.log.warn("ISA={}", .{isa.ISA.detect()});
// const input = "1234567\x1b1234567\x1b";
// //const input = "1234567812345678";
// std.log.warn("result={any}", .{index_of.indexOf(input, 0x1B)});
// std.log.warn("result={any}", .{utf8.utf8Validate(input)});
// }
test {
@import("std").testing.refAllDecls(@This());

8
src/simd/utf8.zig
View File

@ -21,6 +21,10 @@ pub fn utf8ValidateNeon(input: []const u8) bool {
return !neon.hasErrors();
}
pub fn utf8ValidateScalar(input: []const u8) bool {
return std.unicode.utf8ValidateSlice(input);
}
pub const Neon = struct {
/// The previous input in a vector. This is required because to check
/// the validity of a UTF-8 byte, we need to sometimes know previous
@ -52,7 +56,7 @@ pub const Neon = struct {
var i: usize = 0;
while (i + 16 <= input.len) : (i += 16) {
const input_vec = aarch64.vld1q_u8(input[i..]);
self.next(input_vec);
self.process(input_vec);
}
// If we have any data remaining, we pad it with zeroes since that
@ -66,7 +70,7 @@ pub const Neon = struct {
@memset(buf[remaining..], 0);
const input_vec = aarch64.vld1q_u8(&buf);
self.next(input_vec);
self.process(input_vec);
}
}