Fix test simd/extract-insert-dyn on s390x

Fix the test for s390x by enabling s390x vector extension via
`target_feature(enable = "vector")`(rust-lang#127506). As this is is still
gated by `#![feature(s390x_target_feature)]` we need that attribute
also.

Author: fneddy

tests/codegen/simd/extract-insert-dyn.rs

@@ -4,6 +4,7 @@
 #![no_std]
 #![crate_type = "lib"]
 #![allow(non_camel_case_types)]
+#![feature(s390x_target_feature)]
 
 // Test that `core::intrinsics::simd::{simd_extract_dyn, simd_insert_dyn}`
 // lower to an LLVM extractelement or insertelement operation.
@@ -24,6 +25,7 @@ pub struct i8x16([i8; 16]);
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn dyn_simd_extract(x: i8x16, idx: u32) -> i8 {
     simd_extract_dyn(x, idx)
 }
@@ -34,6 +36,7 @@ unsafe extern "C" fn dyn_simd_extract(x: i8x16, idx: u32) -> i8 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn literal_dyn_simd_extract(x: i8x16) -> i8 {
     simd_extract_dyn(x, 7)
 }
@@ -44,6 +47,7 @@ unsafe extern "C" fn literal_dyn_simd_extract(x: i8x16) -> i8 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn const_dyn_simd_extract(x: i8x16) -> i8 {
     simd_extract_dyn(x, const { 3 + 4 })
 }
@@ -54,6 +58,7 @@ unsafe extern "C" fn const_dyn_simd_extract(x: i8x16) -> i8 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn const_simd_extract(x: i8x16) -> i8 {
     simd_extract(x, const { 3 + 4 })
 }
@@ -64,6 +69,7 @@ unsafe extern "C" fn const_simd_extract(x: i8x16) -> i8 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn dyn_simd_insert(x: i8x16, e: i8, idx: u32) -> i8x16 {
     simd_insert_dyn(x, idx, e)
 }
@@ -74,6 +80,7 @@ unsafe extern "C" fn dyn_simd_insert(x: i8x16, e: i8, idx: u32) -> i8x16 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn literal_dyn_simd_insert(x: i8x16, e: i8) -> i8x16 {
     simd_insert_dyn(x, 7, e)
 }
@@ -84,6 +91,7 @@ unsafe extern "C" fn literal_dyn_simd_insert(x: i8x16, e: i8) -> i8x16 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn const_dyn_simd_insert(x: i8x16, e: i8) -> i8x16 {
     simd_insert_dyn(x, const { 3 + 4 }, e)
 }
@@ -94,6 +102,7 @@ unsafe extern "C" fn const_dyn_simd_insert(x: i8x16, e: i8) -> i8x16 {
 #[cfg_attr(target_family = "wasm", target_feature(enable = "simd128"))]
 #[cfg_attr(target_arch = "arm", target_feature(enable = "neon"))]
 #[cfg_attr(target_arch = "x86", target_feature(enable = "sse"))]
+#[cfg_attr(target_arch = "s390x", target_feature(enable = "vector"))]
 unsafe extern "C" fn const_simd_insert(x: i8x16, e: i8) -> i8x16 {
     simd_insert(x, const { 3 + 4 }, e)
 }