1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package ir 6 7 var ( 8 // MaxStackVarSize is the maximum size variable which we will allocate on the stack. 9 // This limit is for explicit variable declarations like "var x T" or "x := ...". 10 // Note: the flag smallframes can update this value. 11 MaxStackVarSize = int64(10 * 1024 * 1024) 12 13 // MaxImplicitStackVarSize is the maximum size of implicit variables that we will allocate on the stack. 14 // p := new(T) allocating T on the stack 15 // p := &T{} allocating T on the stack 16 // s := make([]T, n) allocating [n]T on the stack 17 // s := []byte("...") allocating [n]byte on the stack 18 // Note: the flag smallframes can update this value. 19 MaxImplicitStackVarSize = int64(64 * 1024) 20 21 // MaxSmallArraySize is the maximum size of an array which is considered small. 22 // Small arrays will be initialized directly with a sequence of constant stores. 23 // Large arrays will be initialized by copying from a static temp. 24 // 256 bytes was chosen to minimize generated code + statictmp size. 25 MaxSmallArraySize = int64(256) 26 ) 27