Makefile: break long line

[fio.git] / crc / crc32c.h

diff --git a/crc/crc32c.h b/crc/crc32c.h
index 0976261ac61832a9b36e1ab50a93b6c59b60d8f7..11bcf9c8f4e8577efccf7eac467043bd572e617f 100644 (file)
--- a/crc/crc32c.h
+++ b/crc/crc32c.h
@@ -20,12 +20,25 @@
 
 #include "../arch/arch.h"
 
-extern uint32_t crc32c(unsigned char const *, unsigned long);
+extern uint32_t crc32c_sw(unsigned char const *, unsigned long);
+extern int crc32c_intel_available;
 
-#ifdef ARCH_HAVE_SSE
+#ifdef ARCH_HAVE_SSE4_2
 extern uint32_t crc32c_intel(unsigned char const *, unsigned long);
+extern void crc32c_intel_probe(void);
 #else
-#define crc32c_intel crc32c
+#define crc32c_intel crc32c_sw
+static inline void crc32c_intel_probe(void)
+{
+}
 #endif
 
+static inline uint32_t fio_crc32c(unsigned char const *buf, unsigned long len)
+{
+       if (crc32c_intel_available)
+               return crc32c_intel(buf, len);
+
+       return crc32c_sw(buf, len);
+}
+
 #endif