golang abi_amd64 代码
文件路径：/src/internal/abi/abi_amd64.go
/ Copyright 2020 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 abi
const (
/ See abi_generic.go.
/ RAX, RBX, RCX, RDI, RSI, R8, R9, R10, R11.
IntArgRegs = 9
/ X0 -> X14.
FloatArgRegs = 15
/ We use SSE2 registers which support 64-bit float operations.
EffectiveFloatRegSize = 8
)