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std.crypto.hash.sha2: require avx2 on x86_64

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according to
https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=vpalignr&ig_expand=283,283,284,283,283&techs=AVX_ALL
the vpalignr instruction requires AVX2 support
This commit is contained in:
Lauri Tirkkonen 2023-06-28 19:42:43 +09:00 committed by Andrew Kelley
parent 0c1bfe271e
commit 82520a214c
1 changed files with 1 additions and 1 deletions
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lib/std/crypto/sha2.zig
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@ -238,7 +238,7 @@ fn Sha2x32(comptime params: Sha2Params32) type {
return;
},
// C backend doesn't currently support passing vectors to inline asm.
.x86_64 => if (builtin.zig_backend != .stage2_c and comptime std.Target.x86.featureSetHas(builtin.cpu.features, .sha)) {
.x86_64 => if (builtin.zig_backend != .stage2_c and comptime std.Target.x86.featureSetHasAll(builtin.cpu.features, .{ .sha, .avx2 })) {
var x: v4u32 = [_]u32{ d.s[5], d.s[4], d.s[1], d.s[0] };
var y: v4u32 = [_]u32{ d.s[7], d.s[6], d.s[3], d.s[2] };
const s_v = @as(*[16]v4u32, @ptrCast(&s));