samuel	2018-11-20 18:59:14 +0900 (Tue, 20 Nov 2018)

  New Revision: 65835

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65835

  Log:
    Better support for amd64 platforms

  Modified files:
    trunk/configure.ac
    trunk/cont.c
Index: configure.ac
===================================================================
--- configure.ac	(revision 65834)
+++ configure.ac	(revision 65835)
@@ -2274,12 +2274,6 @@ AS_IF([test x"$target_cpu" = xia64], [ https://github.com/ruby/ruby/blob/trunk/configure.ac#L2274
     ])
 ])
 
-AS_CASE(["$target_cpu-$target_os"],
-  [*-darwin*], [
-    AC_LIBOBJ([coroutine/amd64/Context])
-  ],
-)
-
 AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign,
     [AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([], [(-1==(-1>>1))])],
 	rb_cv_rshift_sign=yes,
@@ -2331,6 +2325,18 @@ AS_IF([test "${universal_binary-no}" = y https://github.com/ruby/ruby/blob/trunk/configure.ac#L2325
     AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $dir)
 ])
 
+AC_MSG_CHECKING(native fiber implementation)
+AS_CASE(["$target_cpu-$target_os"],
+  [x*64-*], [
+    AC_MSG_RESULT(amd64)
+    AC_DEFINE(FIBER_USE_COROUTINE, "coroutine/amd64/Context.h")
+    AC_LIBOBJ([coroutine/amd64/Context])
+  ],
+  [*], [
+    AC_MSG_RESULT(no)
+  ]
+)
+
 AS_IF([test x"$enable_pthread" = xyes], [
     for pthread_lib in thr pthread pthreads c c_r root; do
 	AC_CHECK_LIB($pthread_lib, pthread_create,
Index: cont.c
===================================================================
--- cont.c	(revision 65834)
+++ cont.c	(revision 65835)
@@ -29,6 +29,8 @@ https://github.com/ruby/ruby/blob/trunk/cont.c#L29
 /*
   Enable this include to make fiber yield/resume about twice as fast.
   
+  rvm install ruby-head-ioquatix-native-fiber --url https://github.com/ioquatix/ruby --branch native-fiber
+  
   # Without libcoro
   koyoko% ./build/bin/ruby ./fiber_benchmark.rb 10000 1000
   setup time for 10000 fibers:   0.099961
@@ -40,10 +42,8 @@ https://github.com/ruby/ruby/blob/trunk/cont.c#L42
   execution time for 1000 messages:   8.491746
 */
 
-#define FIBER_USE_COROUTINE
-
 #ifdef FIBER_USE_COROUTINE
-#include "coroutine/amd64/Context.h"
+#include FIBER_USE_COROUTINE
 #define FIBER_USE_NATIVE 1
 #endif
 

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