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$NetBSD: patch-simd_jsimd__arm.c,v 1.2 2016/06/14 12:07:58 wiz Exp $
--- simd/jsimd_arm.c.orig 2016-06-07 17:33:40.000000000 +0000
+++ simd/jsimd_arm.c
@@ -26,6 +26,10 @@
#include <string.h>
#include <ctype.h>
+#if defined(__NetBSD__)
+#include <sys/sysctl.h>
+#endif
+
static unsigned int simd_support = ~0;
static unsigned int simd_huffman = 1;
@@ -102,6 +106,9 @@ init_simd (void)
char *env = NULL;
#if !defined(__ARM_NEON__) && defined(__linux__) || defined(ANDROID) || defined(__ANDROID__)
int bufsize = 1024; /* an initial guess for the line buffer size limit */
+#elif defined(__NetBSD__)
+ int neon_present;
+ size_t len;
#endif
if (simd_support != ~0U)
@@ -120,6 +127,10 @@ init_simd (void)
if (bufsize > SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT)
break;
}
+#elif defined(__NetBSD__)
+ if (sysctlbyname("machdep.neon_present", &neon_present, &len, NULL, 0) == 0
+ && neon_present != 0)
+ simd_support |= JSIMD_ARM_NEON;
#endif
/* Force different settings through environment variables */
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