Source file src/internal/abi/abi_amd64.go
1 // Copyright 2020 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 abi 6 7 const ( 8 // See abi_generic.go. 9 10 // RAX, RBX, RCX, RDI, RSI, R8, R9, R10, R11. 11 IntArgRegs = 9 12 13 // X0 -> X14. 14 FloatArgRegs = 15 15 16 // We use SSE2 registers which support 64-bit float operations. 17 EffectiveFloatRegSize = 8 18 ) 19