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* insnhelper.ci (vm_setup_method): reorder code for branch prediction.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13276 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ko1 2007-08-25 21:05:20 +00:00
parent 343c363d5b
commit 2ca7ad139f
2 changed files with 20 additions and 16 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Sun Aug 26 06:04:13 2007 Koichi Sasada <ko1@atdot.net>
* insnhelper.ci (vm_setup_method): reorder code for branch prediction.
Sun Aug 26 05:54:49 2007 Koichi Sasada <ko1@atdot.net>
* insnhelper.ci (vm_call_method): fix to relaxant safe level check

32
insnhelper.ci
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@ -425,7 +425,22 @@ vm_setup_method(rb_thread_t *th, rb_control_frame_t *cfp,
/* stack overflow check */
CHECK_STACK_OVERFLOW(cfp, iseq->stack_max + 0x10);
if (flag & VM_CALL_TAILCALL_BIT) {
if (LIKELY(!(flag & VM_CALL_TAILCALL_BIT))) {
if (0) printf("local_size: %d, arg_size: %d\n",
iseq->local_size, iseq->arg_size);
/* clear local variables */
for (i = 0; i < iseq->local_size - iseq->arg_size; i++) {
*sp++ = Qnil;
}
vm_push_frame(th, iseq,
FRAME_MAGIC_METHOD, recv, (VALUE) blockptr,
iseq->iseq_encoded + opt_pc, sp, 0, 0);
cfp->sp = rsp - 1 /* recv */;
}
else {
VALUE *p_rsp;
cfp = ++th->cfp; /* pop cf */
p_rsp = th->cfp->sp;
@ -446,21 +461,6 @@ vm_setup_method(rb_thread_t *th, rb_control_frame_t *cfp,
FRAME_MAGIC_METHOD, recv, (VALUE) blockptr,
iseq->iseq_encoded + opt_pc, sp, 0, 0);
}
else {
if (0) printf("local_size: %d, arg_size: %d\n",
iseq->local_size, iseq->arg_size);
/* clear local variables */
for (i = 0; i < iseq->local_size - iseq->arg_size; i++) {
*sp++ = Qnil;
}
vm_push_frame(th, iseq,
FRAME_MAGIC_METHOD, recv, (VALUE) blockptr,
iseq->iseq_encoded + opt_pc, sp, 0, 0);
cfp->sp = rsp - 1 /* recv */;
}
}
static inline VALUE