From 49ec65587a0c5f38f12ceccad96c82c5c349fdf7 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Sat, 11 Jul 2020 08:10:02 +0300
Subject: [PATCH] fix bug #5228 -- Add AltiVec detection for FreeBSD.

thanks Piotr Kubaj.
---
 src/cpuinfo/SDL_cpuinfo.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index 0eb040cc2..fbeebd6db 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -49,7 +49,7 @@
 #endif
 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
 #include <sys/sysctl.h>         /* For AltiVec check */
-#elif defined(__OpenBSD__) && defined(__powerpc__)
+#elif (defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
 #include <sys/param.h>
 #include <sys/sysctl.h> /* For AltiVec check */
 #include <machine/cpu.h>
@@ -314,9 +314,11 @@ CPU_haveAltiVec(void)
 {
     volatile int altivec = 0;
 #ifndef SDL_CPUINFO_DISABLED
-#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__))
+#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__)) || (defined(__FreeBSD__) && defined(__powerpc__))
 #ifdef __OpenBSD__
     int selectors[2] = { CTL_MACHDEP, CPU_ALTIVEC };
+#elif defined(__FreeBSD__)
+    int selectors[2] = { CTL_HW, PPC_FEATURE_HAS_ALTIVEC };
 #else
     int selectors[2] = { CTL_HW, HW_VECTORUNIT };
 #endif