1 /*-*-c-*-*/
2 /**********************************************************************
3 
4   vm_opts.h - VM optimize option
5 
6   $Author: k0kubun $
7 
8   Copyright (C) 2004-2007 Koichi Sasada
9 
10 **********************************************************************/
11 
12 
13 #ifndef RUBY_VM_OPTS_H
14 #define RUBY_VM_OPTS_H
15 
16 /* Compile options.
17  * You can change these options at runtime by VM::CompileOption.
18  * Following definitions are default values.
19  */
20 
21 #define OPT_TAILCALL_OPTIMIZATION       0
22 #define OPT_PEEPHOLE_OPTIMIZATION       1
23 #define OPT_SPECIALISED_INSTRUCTION     1
24 #define OPT_INLINE_CONST_CACHE          1
25 #define OPT_FROZEN_STRING_LITERAL       0
26 #define OPT_DEBUG_FROZEN_STRING_LITERAL 0
27 
28 /* Build Options.
29  * You can't change these options at runtime.
30  */
31 
32 /* C compiler dependent */
33 
34 /*
35  * 0: direct (using labeled goto using GCC special)
36  * 1: token (switch/case)
37  * 2: call (function call for each insn dispatch)
38  */
39 #ifndef OPT_THREADED_CODE
40 #define OPT_THREADED_CODE 0
41 #endif
42 
43 #define OPT_DIRECT_THREADED_CODE (OPT_THREADED_CODE == 0)
44 #define OPT_TOKEN_THREADED_CODE  (OPT_THREADED_CODE == 1)
45 #define OPT_CALL_THREADED_CODE   (OPT_THREADED_CODE == 2)
46 
47 /* VM running option */
48 #define OPT_CHECKED_RUN              1
49 #define OPT_INLINE_METHOD_CACHE      1
50 #define OPT_GLOBAL_METHOD_CACHE      1
51 #define OPT_BLOCKINLINING            0
52 
53 #ifndef OPT_IC_FOR_IVAR
54 #define OPT_IC_FOR_IVAR 1
55 #endif
56 
57 /* architecture independent, affects generated code */
58 #define OPT_OPERANDS_UNIFICATION     1
59 #define OPT_INSTRUCTIONS_UNIFICATION 0
60 #define OPT_UNIFY_ALL_COMBINATION    0
61 #define OPT_STACK_CACHING            0
62 
63 /* misc */
64 #define SUPPORT_JOKE                 0
65 
66 #ifndef VM_COLLECT_USAGE_DETAILS
67 #define VM_COLLECT_USAGE_DETAILS     0
68 #endif
69 
70 #endif /* RUBY_VM_OPTS_H */
71