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-rw-r--r--tests/ui/simd/intrinsic/generic-select-pass.rs195
1 files changed, 195 insertions, 0 deletions
diff --git a/tests/ui/simd/intrinsic/generic-select-pass.rs b/tests/ui/simd/intrinsic/generic-select-pass.rs
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index 000000000..b850cf975
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+++ b/tests/ui/simd/intrinsic/generic-select-pass.rs
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+// run-pass
+#![allow(non_camel_case_types)]
+
+// ignore-emscripten
+// ignore-endian-big behavior of simd_select_bitmask is endian-specific
+
+// Test that the simd_select intrinsics produces correct results.
+
+#![feature(repr_simd, platform_intrinsics)]
+#[allow(non_camel_case_types)]
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct i32x4(pub i32, pub i32, pub i32, pub i32);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct u32x4(pub u32, pub u32, pub u32, pub u32);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct u32x8(u32, u32, u32, u32, u32, u32, u32, u32);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct f32x4(pub f32, pub f32, pub f32, pub f32);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct b8x4(pub i8, pub i8, pub i8, pub i8);
+
+extern "platform-intrinsic" {
+ fn simd_select<T, U>(x: T, a: U, b: U) -> U;
+ fn simd_select_bitmask<T, U>(x: T, a: U, b: U) -> U;
+}
+
+fn main() {
+ let m0 = b8x4(!0, !0, !0, !0);
+ let m1 = b8x4(0, 0, 0, 0);
+ let m2 = b8x4(!0, !0, 0, 0);
+ let m3 = b8x4(0, 0, !0, !0);
+ let m4 = b8x4(!0, 0, !0, 0);
+
+ unsafe {
+ let a = i32x4(1, -2, 3, 4);
+ let b = i32x4(5, 6, -7, 8);
+
+ let r: i32x4 = simd_select(m0, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: i32x4 = simd_select(m1, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: i32x4 = simd_select(m2, a, b);
+ let e = i32x4(1, -2, -7, 8);
+ assert_eq!(r, e);
+
+ let r: i32x4 = simd_select(m3, a, b);
+ let e = i32x4(5, 6, 3, 4);
+ assert_eq!(r, e);
+
+ let r: i32x4 = simd_select(m4, a, b);
+ let e = i32x4(1, 6, 3, 8);
+ assert_eq!(r, e);
+ }
+
+ unsafe {
+ let a = u32x4(1, 2, 3, 4);
+ let b = u32x4(5, 6, 7, 8);
+
+ let r: u32x4 = simd_select(m0, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select(m1, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select(m2, a, b);
+ let e = u32x4(1, 2, 7, 8);
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select(m3, a, b);
+ let e = u32x4(5, 6, 3, 4);
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select(m4, a, b);
+ let e = u32x4(1, 6, 3, 8);
+ assert_eq!(r, e);
+ }
+
+ unsafe {
+ let a = f32x4(1., 2., 3., 4.);
+ let b = f32x4(5., 6., 7., 8.);
+
+ let r: f32x4 = simd_select(m0, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: f32x4 = simd_select(m1, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: f32x4 = simd_select(m2, a, b);
+ let e = f32x4(1., 2., 7., 8.);
+ assert_eq!(r, e);
+
+ let r: f32x4 = simd_select(m3, a, b);
+ let e = f32x4(5., 6., 3., 4.);
+ assert_eq!(r, e);
+
+ let r: f32x4 = simd_select(m4, a, b);
+ let e = f32x4(1., 6., 3., 8.);
+ assert_eq!(r, e);
+ }
+
+ unsafe {
+ let t = !0 as i8;
+ let f = 0 as i8;
+ let a = b8x4(t, f, t, f);
+ let b = b8x4(f, f, f, t);
+
+ let r: b8x4 = simd_select(m0, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: b8x4 = simd_select(m1, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: b8x4 = simd_select(m2, a, b);
+ let e = b8x4(t, f, f, t);
+ assert_eq!(r, e);
+
+ let r: b8x4 = simd_select(m3, a, b);
+ let e = b8x4(f, f, t, f);
+ assert_eq!(r, e);
+
+ let r: b8x4 = simd_select(m4, a, b);
+ let e = b8x4(t, f, t, t);
+ assert_eq!(r, e);
+ }
+
+ unsafe {
+ let a = u32x8(0, 1, 2, 3, 4, 5, 6, 7);
+ let b = u32x8(8, 9, 10, 11, 12, 13, 14, 15);
+
+ let r: u32x8 = simd_select_bitmask(0u8, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: u32x8 = simd_select_bitmask(0xffu8, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: u32x8 = simd_select_bitmask(0b01010101u8, a, b);
+ let e = u32x8(0, 9, 2, 11, 4, 13, 6, 15);
+ assert_eq!(r, e);
+
+ let r: u32x8 = simd_select_bitmask(0b10101010u8, a, b);
+ let e = u32x8(8, 1, 10, 3, 12, 5, 14, 7);
+ assert_eq!(r, e);
+
+ let r: u32x8 = simd_select_bitmask(0b11110000u8, a, b);
+ let e = u32x8(8, 9, 10, 11, 4, 5, 6, 7);
+ assert_eq!(r, e);
+ }
+
+ unsafe {
+ let a = u32x4(0, 1, 2, 3);
+ let b = u32x4(4, 5, 6, 7);
+
+ let r: u32x4 = simd_select_bitmask(0u8, a, b);
+ let e = b;
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select_bitmask(0xfu8, a, b);
+ let e = a;
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select_bitmask(0b0101u8, a, b);
+ let e = u32x4(0, 5, 2, 7);
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select_bitmask(0b1010u8, a, b);
+ let e = u32x4(4, 1, 6, 3);
+ assert_eq!(r, e);
+
+ let r: u32x4 = simd_select_bitmask(0b1100u8, a, b);
+ let e = u32x4(4, 5, 2, 3);
+ assert_eq!(r, e);
+ }
+}