* vm_exec.h (VM_DEBUG_STACKOVERFLOW): added.

  disable stack overflow check for every stack pushing as default.
* vm_exec.c (vm_stack_overflow_for_insn): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44275 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/vm_exec.h b/vm_exec.h
index e087a7f603..391eb6d151 100644
--- a/vm_exec.h
+++ b/vm_exec.h
@@ -169,7 +169,14 @@ default:                        \
 #endif
 
 #define SCREG(r) (reg_##r)
+
+#define VM_DEBUG_STACKOVERFLOW 0
+
+#if VM_DEBUG_STACKOVERFLOW
 #define CHECK_VM_STACK_OVERFLOW_FOR_INSN(cfp, margin) \
     WHEN_VM_STACK_OVERFLOWED(cfp, (cfp)->sp, margin) vm_stack_overflow_for_insn()
+#else
+#define CHECK_VM_STACK_OVERFLOW_FOR_INSN(cfp, margin)
+#endif
 
 #endif /* RUBY_VM_EXEC_H */