src/Makefile.am

@@ -472,6 +472,7 @@ endif
 
 if HAVE_FREEBSD
 libvlccore_la_SOURCES += \
+	freebsd/cpu.c \
 	freebsd/thread.c
 endif
 

src/freebsd/cpu.c

+/*****************************************************************************
+ * freebsd/cpu.c: CPU detection code for FreeBSD
+ *****************************************************************************
+ * Copyright (C) 2022 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#include <vlc_common.h>
+#include <vlc_cpu.h>
+
+#if defined (__powerpc__) /* both 32- and 64-bit */
+unsigned vlc_CPU_raw(void)
+{
+    unsigned int flags = 0;
+    int opt;
+    size_t optlen = sizeof (opt);
+
+    if (sysctlbyname("hw.altivec", &opt, &optlen, NULL, 0) == 0 && opt != 0)
+        flags |= VLC_CPU_ALTIVEC;
+
+    return flags;
+}
+#endif

src/misc/cpu.c

@@ -58,8 +58,7 @@
 #include <machine/cpu.h>
 #endif
 
-#if defined (__i386__) || defined (__x86_64__) || defined (__powerpc__) \
- || defined (__ppc__) || defined (__ppc64__) || defined (__powerpc64__)
+#if defined (__i386__) || defined (__x86_64__)
 # if defined (HAVE_FORK)
 static bool vlc_CPU_check (const char *name, void (*func) (void))
 {
@@ -94,14 +93,6 @@ VLC_SSE static void SSE_test (void)
     asm volatile ("xorps %%xmm0,%%xmm0\n" : : : "xmm0", "xmm1");
 }
 #endif
-
-#if defined (CAN_COMPILE_ALTIVEC)
-static void Altivec_test (void)
-{
-    asm volatile ("mtspr 256, %0\n" "vand %%v0, %%v0, %%v0\n" : : "r" (-1));
-}
-#endif
-
 #else /* _WIN32 || __OS2__ */
 # define vlc_CPU_check(name, func) (1)
 #endif
@@ -192,11 +183,6 @@ out:
 
     if( i_error == 0 && i_has_altivec != 0 )
         i_capabilities |= VLC_CPU_ALTIVEC;
-
-#   elif defined( CAN_COMPILE_ALTIVEC )
-    if (vlc_CPU_check ("Altivec", Altivec_test))
-        i_capabilities |= VLC_CPU_ALTIVEC;
-
 #   endif
 
 #endif