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* vm.c, vm_insnhelper.h (ruby_vm_redefined_flag): apply optimization

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patch proposed by Paul Brannan.  [ruby-core:19171]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2008-10-12 03:28:49 +00:00
parent c809aaa5e1
commit 7215c9af95
3 changed files with 31 additions and 23 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sun Oct 12 12:03:38 2008 Koichi Sasada <ko1@atdot.net>
* vm.c, vm_insnhelper.h (ruby_vm_redefined_flag): apply optimization
patch proposed by Paul Brannan. [ruby-core:19171]
Sun Oct 12 09:46:36 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* strftime.c (rb_strftime): suppressed warnings on cygwin.

6
vm.c
View file

@ -34,7 +34,7 @@ VALUE rb_cEnv;
VALUE rb_mRubyVMFrozenCore;
VALUE ruby_vm_global_state_version = 1;
VALUE ruby_vm_redefined_flag = 0;
char ruby_vm_redefined_flag[BOP_LAST_];
rb_thread_t *ruby_current_thread = 0;
rb_vm_t *ruby_current_vm = 0;
@ -877,7 +877,7 @@ rb_vm_check_redefinition_opt_method(const NODE *node)
VALUE bop;
if (st_lookup(vm_opt_method_table, (st_data_t)node, &bop)) {
ruby_vm_redefined_flag |= bop;
ruby_vm_redefined_flag[bop] = 1;
}
}
@ -902,7 +902,7 @@ vm_init_redefined_flag(void)
vm_opt_method_table = st_init_numtable();
#define OP(mid_, bop_) (mid = id##mid_, bop = BOP_##bop_)
#define OP(mid_, bop_) (mid = id##mid_, bop = BOP_##bop_, ruby_vm_redefined_flag[bop] = 0)
#define C(k) add_opt_method(rb_c##k, mid, bop)
OP(PLUS, PLUS), (C(Fixnum), C(Float), C(String), C(Array));
OP(MINUS, MINUS), (C(Fixnum));

43
vm_insnhelper.h
View file

@ -34,32 +34,35 @@
#define VMDEBUG 3
#endif
/* VM state version */
enum {
BOP_PLUS,
BOP_MINUS,
BOP_MULT,
BOP_DIV,
BOP_MOD,
BOP_EQ,
BOP_LT,
BOP_LE,
BOP_LTLT,
BOP_AREF,
BOP_ASET,
BOP_LENGTH,
BOP_SUCC,
BOP_GT,
BOP_GE,
BOP_NOT,
BOP_NEQ,
BOP_LAST_,
};
extern char ruby_vm_redefined_flag[BOP_LAST_];
extern VALUE ruby_vm_global_state_version;
extern VALUE ruby_vm_redefined_flag;
#define GET_VM_STATE_VERSION() (ruby_vm_global_state_version)
#define INC_VM_STATE_VERSION() \
(ruby_vm_global_state_version = (ruby_vm_global_state_version+1) & 0x8fffffff)
#define BOP_PLUS 0x01
#define BOP_MINUS 0x02
#define BOP_MULT 0x04
#define BOP_DIV 0x08
#define BOP_MOD 0x10
#define BOP_EQ 0x20
#define BOP_LT 0x40
#define BOP_LE 0x80
#define BOP_LTLT 0x100
#define BOP_AREF 0x200
#define BOP_ASET 0x400
#define BOP_LENGTH 0x800
#define BOP_SUCC 0x1000
#define BOP_GT 0x2000
#define BOP_GE 0x4000
#define BOP_NOT 0x8000
#define BOP_NEQ 0x10000
/**********************************************************/
/* deal with stack */
@ -180,7 +183,7 @@ extern VALUE ruby_vm_redefined_flag;
/* optimize insn */
#define FIXNUM_2_P(a, b) ((a) & (b) & 1)
#define BASIC_OP_UNREDEFINED_P(op) (LIKELY((ruby_vm_redefined_flag & (op)) == 0))
#define BASIC_OP_UNREDEFINED_P(op) (LIKELY(ruby_vm_redefined_flag[op] == 0))
#define HEAP_CLASS_OF(obj) RBASIC(obj)->klass
#define CALL_SIMPLE_METHOD(num, id, recv) do { \