aarch64: reenable tests that are no longer regressed

Closes ziglang#12012
Closes ziglang#12013
Closes ziglang#10627
Closes ziglang#12027

Author: wooster0

lib/std/fmt/parse_float.zig

@@ -70,11 +70,6 @@ test "fmt.parseFloat" {
 }
 
 test "fmt.parseFloat nan and inf" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12027
-        return error.SkipZigTest;
-    }
-
     inline for ([_]type{ f16, f32, f64, f128 }) |T| {
         const Z = std.meta.Int(.unsigned, @typeInfo(T).Float.bits);
 

lib/std/math.zig

@@ -528,10 +528,6 @@ pub fn shl(comptime T: type, a: T, shift_amt: anytype) T {
 }
 
 test "shl" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     try testing.expect(shl(u8, 0b11111111, @as(usize, 3)) == 0b11111000);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 9)) == 0);
@@ -572,10 +568,6 @@ pub fn shr(comptime T: type, a: T, shift_amt: anytype) T {
 }
 
 test "shr" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     try testing.expect(shr(u8, 0b11111111, @as(usize, 3)) == 0b00011111);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 9)) == 0);
@@ -617,10 +609,6 @@ pub fn rotr(comptime T: type, x: T, r: anytype) T {
 }
 
 test "rotr" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     try testing.expect(rotr(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotr(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotr(u6, 0b000001, @as(usize, 7)) == 0b100000);
@@ -661,10 +649,6 @@ pub fn rotl(comptime T: type, x: T, r: anytype) T {
 }
 
 test "rotl" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     try testing.expect(rotl(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotl(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotl(u6, 0b000001, @as(usize, 7)) == 0b000010);
@@ -1687,10 +1671,6 @@ fn testSign() !void {
 }
 
 test "sign" {
-    if (builtin.zig_backend == .stage2_llvm) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     try testSign();
     comptime try testSign();
 }

lib/std/simd.zig

@@ -191,10 +191,6 @@ pub fn extract(
 }
 
 test "vector patterns" {
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
     const base = @Vector(4, u32){ 10, 20, 30, 40 };
     const other_base = @Vector(4, u32){ 55, 66, 77, 88 };
 

test/behavior/atomics.zig

@@ -151,11 +151,6 @@ test "cmpxchg on a global variable" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
 
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // https://github.com/ziglang/zig/issues/10627
-        return error.SkipZigTest;
-    }
-
     _ = @cmpxchgWeak(u32, &a_global_variable, 1234, 42, .Acquire, .Monotonic);
     try expect(a_global_variable == 42);
 }
@@ -218,12 +213,6 @@ test "atomicrmw with floats" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
 
-    if ((builtin.zig_backend == .stage2_llvm or builtin.zig_backend == .stage2_c) and
-        builtin.cpu.arch == .aarch64)
-    {
-        // https://github.com/ziglang/zig/issues/10627
-        return error.SkipZigTest;
-    }
     try testAtomicRmwFloat();
     comptime try testAtomicRmwFloat();
 }

test/behavior/math.zig

@@ -161,12 +161,6 @@ test "@ctz vectors" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
 
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // This regressed with LLVM 14:
-        // https://github.com/ziglang/zig/issues/12013
-        return error.SkipZigTest;
-    }
-
     try testCtzVectors();
     comptime try testCtzVectors();
 }

test/behavior/vector.zig

@@ -174,12 +174,6 @@ test "tuple to vector" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
 
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // Regressed with LLVM 14:
-        // https://github.com/ziglang/zig/issues/12012
-        return error.SkipZigTest;
-    }
-
     const S = struct {
         fn doTheTest() !void {
             const Vec3 = @Vector(3, i32);