allow bextri32 in x86

Author: gnzlbg

src/x86/macros.rs

@@ -358,7 +358,6 @@ macro_rules! assert_approx_eq {
 // ranges 0:7 and 8:15 are at most in range [0, 64). This macro
 // expands all 16 bit integers whose bits in 0:7 and 8:15 are in
 // that range. This results in 4096 (64 * 64) match arms.
-#[cfg(not(target_arch = "x86"))]
 macro_rules! constify_bextri2 {
     ($v:expr, $expand:ident) => {
         #[cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]

src/x86/tbm.rs

@@ -26,7 +26,6 @@ extern "C" {
 /// 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_u32(a: u32, start: u32, len: u32) -> u32 {
     _bextri2_u32(a, (start & 0xff_u32) | ((len & 0xff_u32) << 8_u32))
@@ -49,7 +48,6 @@ pub unsafe fn _bextri_u64(a: u64, start: u64, len: u64) -> u64 {
 /// 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_u32(a: u32, control: u32) -> u32 {
     macro_rules! call {
@@ -279,7 +277,6 @@ mod tests {
 
     use x86::tbm;
 
-    #[cfg(not(target_arch = "x86"))]
     #[simd_test = "tbm"]
     unsafe fn _bextri_u32() {
         let r = tbm::_bextri2_u32(0b0101_0000u32, 1026);