[PATCH] [COMPILER-RT] Enable __multi3 when using aarch64 architecture

[GuanHong Liu]

aarch64 is a 64-bit architecture, and its toolchain may generate __multi3 instruction, too

http://llvm-reviews.chandlerc.com/D2801

Files:
  lib/int_types.h
  lib/multi3.c

Index: lib/int_types.h
===================================================================
--- lib/int_types.h
+++ lib/int_types.h
@@ -56,7 +56,7 @@
     }s;
 } udwords;
 
-#if __x86_64
+#if __x86_64 || __aarch64__
 
 typedef int      ti_int __attribute__ ((mode (TI)));
 typedef unsigned tu_int __attribute__ ((mode (TI)));
Index: lib/multi3.c
===================================================================
--- lib/multi3.c
+++ lib/multi3.c
@@ -14,7 +14,7 @@
 
 #include "int_lib.h"
 
-#if __x86_64
+#if __x86_64 || __aarch64__
 
 /* Returns: a * b */
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