Reorder platform-specific #include directives after the others

This keeps includes together when they are cleaned up.

PiperOrigin-RevId: 968679267
Change-Id: Ib3541003fb438e47653b3007ddd5a04b96c3b1a1

absl/crc/internal/crc32_x86_arm_combined_simd.h

diff --git a/absl/crc/internal/crc32_x86_arm_combined_simd.h b/absl/crc/internal/crc32_x86_arm_combined_simd.h
index 9c287b5..c50a301 100644
--- a/absl/crc/internal/crc32_x86_arm_combined_simd.h
+++ b/absl/crc/internal/crc32_x86_arm_combined_simd.h
@@ -20,6 +20,10 @@
 
 #include "absl/base/config.h"
 
+#ifdef __SSE4_2__
+#include <immintrin.h>
+#endif
+
 // -------------------------------------------------------------------------
 // Many x86 and ARM machines have CRC acceleration hardware.
 // We can do a faster version of Extend() on such machines.

absl/crc/internal/crc_memcpy_x86_arm_combined.cc

diff --git a/absl/crc/internal/crc_memcpy_x86_arm_combined.cc b/absl/crc/internal/crc_memcpy_x86_arm_combined.cc
index fd3ce60..dac0446 100644
--- a/absl/crc/internal/crc_memcpy_x86_arm_combined.cc
+++ b/absl/crc/internal/crc_memcpy_x86_arm_combined.cc
@@ -38,14 +38,6 @@
 // using 3 CRCs over fixed-size blocks where the zero-extensions required for
 // CRC32C::Concat can be precomputed.
 
-#ifdef __SSE4_2__
-#include <immintrin.h>
-#endif
-
-#ifdef _MSC_VER
-#include <intrin.h>
-#endif
-
 #include <array>
 #include <cstddef>
 #include <cstdint>

absl/crc/internal/non_temporal_memcpy.h

diff --git a/absl/crc/internal/non_temporal_memcpy.h b/absl/crc/internal/non_temporal_memcpy.h
index 5d3e4e3..96eb178 100644
--- a/absl/crc/internal/non_temporal_memcpy.h
+++ b/absl/crc/internal/non_temporal_memcpy.h
@@ -15,6 +15,15 @@
 #ifndef ABSL_CRC_INTERNAL_NON_TEMPORAL_MEMCPY_H_
 #define ABSL_CRC_INTERNAL_NON_TEMPORAL_MEMCPY_H_
 
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <cstring>
+
+#include "absl/base/attributes.h"
+#include "absl/base/config.h"
+#include "absl/base/optimization.h"
+
 #ifdef _MSC_VER
 #include <intrin.h>
 #endif
@@ -28,15 +37,6 @@
 #include "absl/crc/internal/non_temporal_arm_intrinsics.h"
 #endif
 
-#include <algorithm>
-#include <cassert>
-#include <cstdint>
-#include <cstring>
-
-#include "absl/base/attributes.h"
-#include "absl/base/config.h"
-#include "absl/base/optimization.h"
-
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace crc_internal {