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