allow bextri64 in x86

Author: gnzlbg

src/x86/tbm.rs

@@ -35,7 +35,6 @@ pub unsafe fn _bextri_u32(a: u32, start: u32, len: u32) -> u32 {
 /// the least significant bits of the result.
 #[inline(always)]
 #[target_feature = "+tbm"]
-#[cfg(not(target_arch = "x86"))]
 #[cfg_attr(test, assert_instr(bextr, start = 4, len = 4))]
 pub unsafe fn _bextri_u64(a: u64, start: u64, len: u64) -> u64 {
     _bextri2_u64(a, (start & 0xff_u64) | ((len & 0xff_u64) << 8_u64))
@@ -65,7 +64,6 @@ pub unsafe fn _bextri2_u32(a: u32, control: u32) -> u32 {
 /// be extracted, and bits [15,8] specify the length of the range.
 #[inline(always)]
 #[target_feature = "+tbm"]
-#[cfg(not(target_arch = "x86"))]
 #[cfg_attr(test, assert_instr(bextr, control = 1026))]
 pub unsafe fn _bextri2_u64(a: u64, control: u64) -> u64 {
     macro_rules! call {
@@ -286,7 +284,6 @@ mod tests {
         assert_eq!(r2, 0b0000_0101u32);
     }
 
-    #[cfg(not(target_arch = "x86"))]
     #[simd_test = "tbm"]
     unsafe fn _bextri_u64() {
         let r = tbm::_bextri2_u64(0b0101_0000u64, 1026);