From 6f8e6f3c97c8e95527a29c4667edca6b793f798f Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Tue, 14 Jan 2025 14:44:02 -0800
Subject: [PATCH] create new compilation macro ZSTD_ARCH_X86_AVX2

---
 lib/common/compiler.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/common/compiler.h b/lib/common/compiler.h
index b6cbcee03..f636b7f25 100644
--- a/lib/common/compiler.h
+++ b/lib/common/compiler.h
@@ -224,6 +224,9 @@
 
 /* compile time determination of SIMD support */
 #if !defined(ZSTD_NO_INTRINSICS)
+#  if defined(__AVX2__)
+#    define ZSTD_ARCH_X86_AVX2
+#  endif
 #  if defined(__SSE2__) || defined(_M_AMD64) || (defined (_M_IX86) && defined(_M_IX86_FP) && (_M_IX86_FP >= 2))
 #    define ZSTD_ARCH_X86_SSE2
 #  endif
@@ -231,6 +234,9 @@
 #    define ZSTD_ARCH_ARM_NEON
 #  endif
 #
+#  if defined(ZSTD_ARCH_X86_AVX2)
+#    include <immintrin.h>
+#  endif
 #  if defined(ZSTD_ARCH_X86_SSE2)
 #    include <emmintrin.h>
 #  elif defined(ZSTD_ARCH_ARM_NEON)