From c31bc5371e1b261f487a8795e8f57eb88290cd06 Mon Sep 17 00:00:00 2001
From: Mans Rullgard <mans@mansr.com>
Date: Thu, 30 Jun 2011 14:03:54 +0100
Subject: [PATCH] Fix cpu flags test program
Signed-off-by: Mans Rullgard <mans@mansr.com>
---
libavutil/cpu.c | 55 ++++++++++++++++++++++++++++++-------------------
1 file changed, 34 insertions(+), 21 deletions(-)
diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index ddccd000bca..baa7922daa7 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -39,32 +39,45 @@ int av_get_cpu_flags(void)
#undef printf
#include <stdio.h>
+static const struct {
+ int flag;
+ const char *name;
+} cpu_flag_tab[] = {
+#if ARCH_ARM
+ { AV_CPU_FLAG_IWMMXT, "iwmmxt" },
+#elif ARCH_PPC
+ { AV_CPU_FLAG_ALTIVEC, "altivec" },
+#elif ARCH_X86
+ { AV_CPU_FLAG_MMX, "mmx" },
+ { AV_CPU_FLAG_MMX2, "mmx2" },
+ { AV_CPU_FLAG_SSE, "sse" },
+ { AV_CPU_FLAG_SSE2, "sse2" },
+ { AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" },
+ { AV_CPU_FLAG_SSE3, "sse3" },
+ { AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" },
+ { AV_CPU_FLAG_SSSE3, "ssse3" },
+ { AV_CPU_FLAG_ATOM, "atom" },
+ { AV_CPU_FLAG_SSE4, "sse4.1" },
+ { AV_CPU_FLAG_SSE42, "sse4.2" },
+ { AV_CPU_FLAG_AVX, "avx" },
+ { AV_CPU_FLAG_3DNOW, "3dnow" },
+ { AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
+#endif
+ { 0 }
+};
+
int main(void)
{
int cpu_flags = av_get_cpu_flags();
+ int i;
printf("cpu_flags = 0x%08X\n", cpu_flags);
- printf("cpu_flags = %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
-#if ARCH_ARM
- cpu_flags & AV_CPU_FLAG_IWMMXT ? "IWMMXT " : "",
-#elif ARCH_PPC
- cpu_flags & AV_CPU_FLAG_ALTIVEC ? "ALTIVEC " : "",
-#elif ARCH_X86
- cpu_flags & AV_CPU_FLAG_MMX ? "MMX " : "",
- cpu_flags & AV_CPU_FLAG_MMX2 ? "MMX2 " : "",
- cpu_flags & AV_CPU_FLAG_SSE ? "SSE " : "",
- cpu_flags & AV_CPU_FLAG_SSE2 ? "SSE2 " : "",
- cpu_flags & AV_CPU_FLAG_SSE2SLOW ? "SSE2(slow) " : "",
- cpu_flags & AV_CPU_FLAG_SSE3 ? "SSE3 " : "",
- cpu_flags & AV_CPU_FLAG_SSE3SLOW ? "SSE3(slow) " : "",
- cpu_flags & AV_CPU_FLAG_SSSE3 ? "SSSE3 " : "",
- cpu_flags & AV_CPU_FLAG_ATOM ? "Atom " : "",
- cpu_flags & AV_CPU_FLAG_SSE4 ? "SSE4.1 " : "",
- cpu_flags & AV_CPU_FLAG_SSE42 ? "SSE4.2 " : "",
- cpu_flags & AV_CPU_FLAG_AVX ? "AVX " : "",
- cpu_flags & AV_CPU_FLAG_3DNOW ? "3DNow " : "",
- cpu_flags & AV_CPU_FLAG_3DNOWEXT ? "3DNowExt " : "");
-#endif
+ printf("cpu_flags =");
+ for (i = 0; cpu_flag_tab[i].flag; i++)
+ if (cpu_flags & cpu_flag_tab[i].flag)
+ printf(" %s", cpu_flag_tab[i].name);
+ printf("\n");
+
return 0;
}
--
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