Use JL_AArch64_crc instead of HWCAP_CRC32 (JuliaLang#30324)

staticfloat · ararslan · commit bd21aa75eb4c · 2018-12-09T13:57:44.000-08:00
Closes JuliaLang#26458
diff --git a/src/crc32c.c b/src/crc32c.c
@@ -43,6 +43,7 @@
 
 #include "julia.h"
 #include "julia_internal.h"
+#include "processor.h"
 
 #ifdef _CPU_AARCH64_
 #  include <sys/auxv.h>
@@ -333,7 +334,7 @@ JL_DLLEXPORT uint32_t jl_crc32c(uint32_t crc, const char *buf, size_t len)
 #  else
 static crc32c_func_t crc32c_dispatch(unsigned long hwcap)
 {
-    if (hwcap & HWCAP_CRC32)
+    if (hwcap & (1 << JL_AArch64_crc))
         return crc32c_armv8;
     return jl_crc32c_sw;
 }

Original file line number	Diff line number	Diff line change
`@@ -43,6 +43,7 @@`
`43`	`43`
`44`	`44`	`#include "julia.h"`
`45`	`45`	`#include "julia_internal.h"`
	`46`	`+#include "processor.h"`
`46`	`47`
`47`	`48`	`#ifdef _CPU_AARCH64_`
`48`	`49`	`# include <sys/auxv.h>`
`@@ -333,7 +334,7 @@ JL_DLLEXPORT uint32_t jl_crc32c(uint32_t crc, const char *buf, size_t len)`
`333`	`334`	`# else`
`334`	`335`	`static crc32c_func_t crc32c_dispatch(unsigned long hwcap)`
`335`	`336`	`{`
`336`		`- if (hwcap & HWCAP_CRC32)`
	`337`	`+ if (hwcap & (1 << JL_AArch64_crc))`
`337`	`338`	`return crc32c_armv8;`
`338`	`339`	`return jl_crc32c_sw;`
`339`	`340`	`}`