From acd3ac62a832e15c8681fa83f94f108757b51bda Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Wed, 31 May 2017 06:39:12 +0900 Subject: Reduce the size of VM stack clear window; ref #3676 --- src/vm.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'src/vm.c') diff --git a/src/vm.c b/src/vm.c index 493234053..b3d2b7e10 100644 --- a/src/vm.c +++ b/src/vm.c @@ -851,17 +851,15 @@ mrb_vm_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int stac mrb_value result; struct mrb_context *c = mrb->c; int cioff = c->ci - c->cibase; - int nregs = irep->nregs; - mrb_value *stk; + unsigned int nregs = irep->nregs; if (!c->stack) { stack_init(mrb); } if (stack_keep > nregs) nregs = stack_keep; - stk = c->stack + stack_keep; - if (stk < c->stend) { - stack_clear(stk, c->stend - stk); + if (nregs > stack_keep) { + stack_clear(c->stack + stack_keep, nregs - stack_keep); } stack_extend(mrb, nregs); c->stack[0] = self; -- cgit v1.2.3