From f47e3c5c9ecbea85b4f802e07feebab113c837cd Mon Sep 17 00:00:00 2001
From: Dimo Markov <dimomarkov@gmail.com>
Date: Sun, 21 Jul 2024 13:27:38 +0300
Subject: [PATCH] msvc: add simde_MemoryBarrier to avoid including <windows.h>

---
 simde/x86/sse.h  | 57 +++++++++++++++++++++++++++++++++++++++++++-----
 simde/x86/sse2.h |  2 +-
 2 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/simde/x86/sse.h b/simde/x86/sse.h
index a8855f540..a2de5d140 100644
--- a/simde/x86/sse.h
+++ b/simde/x86/sse.h
@@ -33,15 +33,60 @@
 #include "mmx.h"
 #include "../simde-f16.h"
 
-#if defined(_WIN32) && !defined(SIMDE_X86_SSE_NATIVE) && defined(_MSC_VER)
-  #define NOMINMAX
-  #include <windows.h>
-#endif
-
 #if defined(__ARM_ACLE)
   #include <arm_acle.h>
 #endif
 
+#ifdef _MSC_VER
+  #if defined(SIMDE_ARCH_AARCH64)
+    #include <intrin.h>
+
+    typedef enum simde_tag_ARM64INTR_BARRIER_TYPE
+    {
+      SIMDE_ARM64_BARRIER_SY    = 0xF,
+    }
+    SIMDE_ARM64INTR_BARRIER_TYPE;
+
+    HEDLEY_ALWAYS_INLINE
+    void simde_MemoryBarrier(void) {
+      __dmb(SIMDE_ARM64_BARRIER_SY);
+    }
+  #elif defined(SIMDE_ARCH_ARM)
+    #include <intrin.h>
+
+    typedef enum simde_tag_ARMINTR_BARRIER_TYPE
+    {
+      SIMDE_ARM_BARRIER_SY    = 0xF,
+    }
+    SIMDE_ARMINTR_BARRIER_TYPE;
+
+    HEDLEY_ALWAYS_INLINE
+    void simde_MemoryBarrier(void) {
+      __dmb(SIMDE_ARM_BARRIER_SY);
+    }
+  #elif defined(SIMDE_ARCH_X86) || defined(SIMDE_ARCH_AMD64) || defined(SIMDE_ARCH_E2K)
+    #if !defined(SIMDE_X86_SSE_NO_NATIVE)
+      #include <intrin.h>
+    #endif
+
+    HEDLEY_ALWAYS_INLINE
+    void simde_MemoryBarrier(void) {
+      #if defined(SIMDE_X86_SSE_NO_NATIVE)
+         ((void)0); // intentionally no-op
+      #elif defined(SIMDE_ARCH_AMD64)
+        __faststorefence();
+      #elif defined(SIMDE_ARCH_IA64)
+        __mf();
+      #else
+        long Barrier;
+        __asm { xchg Barrier, eax }
+      #endif
+    }
+  #else
+    #error "Missing implementation"
+  #endif
+#endif
+
 HEDLEY_DIAGNOSTIC_PUSH
 SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
 SIMDE_BEGIN_DECLS_
@@ -4007,7 +4052,7 @@ simde_mm_sfence (void) {
       atomic_thread_fence(memory_order_seq_cst);
     #endif
   #elif defined(_MSC_VER)
-    MemoryBarrier();
+    simde_MemoryBarrier();
   #elif HEDLEY_HAS_EXTENSION(c_atomic)
     __c11_atomic_thread_fence(__ATOMIC_SEQ_CST);
   #elif defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
diff --git a/simde/x86/sse2.h b/simde/x86/sse2.h
index 50364544c..a97b30904 100644
--- a/simde/x86/sse2.h
+++ b/simde/x86/sse2.h
@@ -4776,7 +4776,7 @@ simde_mm_pause (void) {
     #endif
   #elif defined(SIMDE_ARCH_ARM_NEON)
     #if defined(_MSC_VER)
-      __isb(_ARM64_BARRIER_SY);
+      __isb(SIMDE_ARM64_BARRIER_SY);
     #else
       __asm__ __volatile__("isb\n");
     #endif