1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
% # Copyright (c) 2018 Takashi Kokubun. All rights reserved.
% #
% # This file is a part of the programming language Ruby. Permission is hereby
% # granted, to either redistribute and/or modify this file, provided that the
% # conditions mentioned in the file COPYING are met. Consult the file for
% # details.
%
% # JIT: Move pc for catch table on catch_except_p, and for #caller_locations and rb_profile_frames on !insn.always_leaf?
if (body->catch_except_p || <%= insn.always_leaf? ? 'FALSE' : 'TRUE' %>) {
fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", next_pos); /* ADD_PC(INSN_ATTR(width)); */
}
%
% # JIT: move sp to use or preserve stack variables
if (status->local_stack_p) {
% # sp motion is optimized away for `handles_sp? #=> false` case.
% # Thus sp should be set properly before `goto cancel`.
% if insn.handles_sp?
% # JIT-only behavior (pushing JIT's local variables to VM's stack):
{
rb_snum_t i, push_size;
push_size = -<%= insn.call_attribute('sp_inc') %> + <%= insn.rets.size %> - <%= insn.pops.size %>;
fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %ld + 1;\n", push_size); /* POPN(INSN_ATTR(popn)); */
for (i = 0; i < push_size; i++) { /* TODO: use memcpy? */
fprintf(f, " *(reg_cfp->sp + %ld) = stack[%ld];\n", i - push_size, (rb_snum_t)b->stack_size - push_size + i);
}
}
% end
}
else {
% if insn.handles_sp?
fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + 1 - <%= insn.pops.size %>); /* POPN(INSN_ATTR(popn)); */
% else
fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + 1);
% end
}
|
