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_mjit_compile_pc_and_sp.erb: revert r63360

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Revert "_mjit_compile_pc_and_sp.erb: make sure no uninitialized"

This triggered some `NoMethodError`s which seem to be caused by the
commit like: https://travis-ci.org/k0kubun/mjit-test/builds/376416934

I'll add tests and fix it later...

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2018-05-09 13:09:01 +00:00
parent 34002d12a6
commit 3c4f49c814
1 changed files with 2 additions and 1 deletions
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tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb
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@ -20,11 +20,12 @@
% # sp motion is optimized away for `handles_frame? #=> false` case.
% # Thus sp should be set properly before `goto cancel`.
% if insn.handles_frame?
fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + stack_size + 1 - <%= insn.pops.size %>;\n"); /* POPN(INSN_ATTR(popn)); */
%
% # 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);
}