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@alignCast

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This commit is contained in:
Vaughan Rouesnel
2022-11-14 04:40:53 +01:00
parent eb4724f816
commit 3c8444458f
1 changed files with 4 additions and 2 deletions
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6
src/string_immutable.zig
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@@ -3076,7 +3076,8 @@ pub fn firstNonASCII16CheckMin(comptime Slice: type, slice: Slice, comptime chec
// it removes a loop, but probably is slower in the end
const cmp = @bitCast(AsciiVectorU16U1, vec > max_u16_ascii) |
@bitCast(AsciiVectorU16U1, vec < min_u16_ascii);
const bitmask: u16 = @ptrCast(*const u16, &cmp).*;
const cmp_aligned = @alignCast(2, &cmp);
const bitmask: u16 = @ptrCast(*const u16, &cmp_aligned).*;
const first = @ctz(@as(u16, bitmask));
return @intCast(u32, @as(u32, first) +
@@ -3087,7 +3088,8 @@ pub fn firstNonASCII16CheckMin(comptime Slice: type, slice: Slice, comptime chec
remaining.len -= (@ptrToInt(remaining.ptr) - @ptrToInt(remaining_start)) / 2;
const cmp = vec > max_u16_ascii;
const bitmask = @ptrCast(*const u16, &cmp).*;
const cmp_aligned = @alignCast(2, &cmp);
const bitmask = @ptrCast(*const u16, &cmp_aligned).*;
const first = @ctz(@as(u16, bitmask));
return @intCast(u32, @as(u32, first) +