From 2bd6daeb8de30d6445961ba02f2975acc678bc61 Mon Sep 17 00:00:00 2001
From: R4SAS <r4sas@i2pmail.org>
Date: Mon, 16 Nov 2020 03:38:52 +0300
Subject: [PATCH] disable aes/avx for winxp by default

---
 libi2pd/CPU.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libi2pd/CPU.cpp b/libi2pd/CPU.cpp
index 0bd830e3..0804e2ac 100644
--- a/libi2pd/CPU.cpp
+++ b/libi2pd/CPU.cpp
@@ -34,10 +34,18 @@ namespace cpu
 		__cpuid(0, info[0], info[1], info[2], info[3]);
 		if (info[0] >= 0x00000001) {
 			__cpuid(0x00000001, info[0], info[1], info[2], info[3]);
+#if defined (_WIN32) && (WINVER == 0x0501) // WinXP
+			if (AesSwitch && force) { // only if forced
+#else
 			if ((info[2] & bit_AES && AesSwitch) || (AesSwitch && force)) {
+#endif
 				aesni = true;
 			}
+#if defined (_WIN32) && (WINVER == 0x0501) // WinXP
+			if (AvxSwitch && force) { // only if forced
+#else
 			if ((info[2] & bit_AVX && AvxSwitch) || (AvxSwitch && force)) {
+#endif
 				avx = true;
 			}
 		}