diff options
Diffstat (limited to 'tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb')
| -rw-r--r-- | tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb b/tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb index 6004504c06..da1465a685 100644 --- a/tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb +++ b/tool/ruby_vm/views/_mjit_compile_pc_and_sp.erb @@ -12,4 +12,25 @@ } % % # JIT: move sp to use or preserve stack variables - fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + 1 - <%= insn.pops.size %>); /* POPN(INSN_ATTR(popn)); */ + if (status->local_stack_p) { +% # sp motion is optimized away for `handles_frame? #=> false` case. +% # Thus sp should be set properly before `goto cancel`. +% if insn.handles_frame? +% # 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_frame? + 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 + } |