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[PATCH] Enable unaligned loads on x86-64.
- From: OndÅej BÃlka <neleai at seznam dot cz>
- Cc: libc-alpha at sourceware dot org
- Date: Thu, 28 May 2015 10:40:40 +0200
- Subject: [PATCH] Enable unaligned loads on x86-64.
- Authentication-results: sourceware.org; auth=none
Hi, as I mentioned before in header optimization thread its now disabled
on x86-64 but on for x86.
So just enable that by copying generic bits/string.h header there.
OK to commit?
* sysdeps/x86_64/bits/string.h: New file.
diff --git a/sysdeps/x86_64/bits/string.h b/sysdeps/x86_64/bits/string.h
new file mode 100644
index 0000000..ec64d63
--- /dev/null
+++ b/sysdeps/x86_64/bits/string.h
@@ -0,0 +1,14 @@
+/* This file should provide inline versions of string functions.
+
+ Surround GCC-specific parts with #ifdef __GNUC__, and use `__extern_inline'.
+
+ This file should define __STRING_INLINES if functions are actually defined
+ as inlines. */
+
+#ifndef _BITS_STRING_H
+#define _BITS_STRING_H 1
+
+/* On x86-64 we can access unaligned multi-byte variables. */
+#define _STRING_ARCH_unaligned 1
+
+#endif /* bits/string.h */