Remove unnecessary pointer alignment before segment_scan

BasedInc · Sep 30, 2024 · 68b8a7d · 68b8a7d
1 parent ee7c33d
commit 68b8a7d
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Showing 3 changed files with 0 additions and 15 deletions.
diff --git a/src/arch/x86/AVX2.cpp b/src/arch/x86/AVX2.cpp
@@ -42,11 +42,6 @@ namespace hat::detail {
             load_signature_256(signature, signatureBytes, signatureMask);
         }
 
-        begin = next_boundary_align<alignment>(begin);
-        if (begin >= end) LIBHAT_UNLIKELY {
-            return {};
-        }
-
         auto [pre, vec, post] = segment_scan<__m256i, veccmp>(begin, end, signature.size(), cmpIndex);
 
         if (!pre.empty()) {

diff --git a/src/arch/x86/AVX512.cpp b/src/arch/x86/AVX512.cpp
@@ -43,11 +43,6 @@ namespace hat::detail {
             load_signature_512(signature, signatureBytes, signatureMask);
         }
 
-        begin = next_boundary_align<alignment>(begin);
-        if (begin >= end) LIBHAT_UNLIKELY {
-            return {};
-        }
-
         auto [pre, vec, post] = segment_scan<__m512i, veccmp>(begin, end, signature.size(), cmpIndex);
 
         if (!pre.empty()) {

diff --git a/src/arch/x86/SSE.cpp b/src/arch/x86/SSE.cpp
@@ -42,11 +42,6 @@ namespace hat::detail {
             load_signature_128(signature, signatureBytes, signatureMask);
         }
 
-        begin = next_boundary_align<alignment>(begin);
-        if (begin >= end) LIBHAT_UNLIKELY {
-            return {};
-        }
-
         auto [pre, vec, post] = segment_scan<__m128i, veccmp>(begin, end, signature.size(), cmpIndex);
 
         if (!pre.empty()) {