128 only

ijl · Feb 3, 2024 · 379e796 · 379e796
1 parent e205c6e
commit 379e796
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Showing 2 changed files with 6 additions and 33 deletions.
diff --git a/src/serialize/writer/json.rs b/src/serialize/writer/json.rs
@@ -603,21 +603,12 @@ where
         let num_reserved_bytes = value.len() * 8 + 32 + 3;
         writer.reserve(num_reserved_bytes);
 
-        if std::is_x86_feature_detected!("avx2") {
-            let written = crate::serialize::writer::simd::format_escaped_str_impl_256(
-                writer.as_mut_buffer_ptr(),
-                value.as_bytes().as_ptr(),
-                value.len(),
-            );
-            writer.set_written(written);
-        } else {
-            let written = crate::serialize::writer::simd::format_escaped_str_impl_128(
-                writer.as_mut_buffer_ptr(),
-                value.as_bytes().as_ptr(),
-                value.len(),
-            );
-            writer.set_written(written);
-        }
+        let written = crate::serialize::writer::simd::format_escaped_str_impl_128(
+            writer.as_mut_buffer_ptr(),
+            value.as_bytes().as_ptr(),
+            value.len(),
+        );
+        writer.set_written(written);
     }
     Ok(())
 }

diff --git a/src/serialize/writer/simd.rs b/src/serialize/writer/simd.rs
@@ -118,8 +118,6 @@ macro_rules! impl_format_simd {
 }
 
 #[inline(never)]
-#[cfg(not(target_feature = "avx2"))]
-#[cfg_attr(target_arch = "x86_64", cold)]
 pub unsafe fn format_escaped_str_impl_128(
     odptr: *mut u8,
     value_ptr: *const u8,
@@ -131,19 +129,3 @@ pub unsafe fn format_escaped_str_impl_128(
 
     impl_format_simd!(odptr, value_ptr, value_len);
 }
-
-#[cfg(target_arch = "x86_64")]
-#[inline(never)]
-#[cfg_attr(not(target_feature = "avx2"), target_feature(enable = "avx2"))]
-#[cfg_attr(not(target_feature = "avx2"), target_feature(enable = "bmi2"))]
-pub unsafe fn format_escaped_str_impl_256(
-    odptr: *mut u8,
-    value_ptr: *const u8,
-    value_len: usize,
-) -> usize {
-    const STRIDE: usize = 32;
-    const STRIDE_SATURATION: u32 = u32::MAX;
-    type StrVector = std::simd::u8x32;
-
-    impl_format_simd!(odptr, value_ptr, value_len);
-}