golang cfg 代码
文件路径：/src/cmd/compile/internal/ir/cfg.go
/ Copyright 2009 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package ir
var (
/ maximum size variable which we will allocate on the stack.
/ This limit is for explicit variable declarations like "var x T" or "x := ...".
/ Note: the flag smallframes can update this value.
MaxStackVarSize = int64(10 * 1024 * 1024)
/ maximum size of implicit variables that we will allocate on the stack.
/ p := new(T) allocating T on the stack
/ p := &T{} allocating T on the stack
/ s := make([]T, n) allocating [n]T on the stack
/ s := []byte("...") allocating [n]byte on the stack
/ Note: the flag smallframes can update this value.
MaxImplicitStackVarSize = int64(64 * 1024)
/ MaxSmallArraySize is the maximum size of an array which is considered small.
/ Small arrays will be initialized directly with a sequence of constant stores.
/ Large arrays will be initialized by copying from a static temp.
/ 256 bytes was chosen to minimize generated code + statictmp size.
MaxSmallArraySize = int64(256)
)