1// Copyright 2015 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package config
16
17import (
18	"strings"
19
20	"android/soong/android"
21)
22
23var (
24	x86_64Cflags = []string{
25		// Help catch common 32/64-bit errors.
26		"-Werror=implicit-function-declaration",
27	}
28
29	x86_64Cppflags = []string{}
30
31	x86_64Ldflags = []string{
32		"-Wl,--hash-style=gnu",
33	}
34
35	x86_64Lldflags = ClangFilterUnknownLldflags(x86_64Ldflags)
36
37	x86_64ArchVariantCflags = map[string][]string{
38		"": []string{
39			"-march=x86-64",
40		},
41		"broadwell": []string{
42			"-march=broadwell",
43		},
44
45		"haswell": []string{
46			"-march=core-avx2",
47		},
48		"ivybridge": []string{
49			"-march=core-avx-i",
50		},
51		"sandybridge": []string{
52			"-march=corei7",
53		},
54		"silvermont": []string{
55			"-march=slm",
56		},
57		"skylake": []string{
58			"-march=skylake",
59		},
60		"stoneyridge": []string{
61			"-march=bdver4",
62		},
63	}
64
65	x86_64ArchFeatureCflags = map[string][]string{
66		"ssse3":  []string{"-mssse3"},
67		"sse4":   []string{"-msse4"},
68		"sse4_1": []string{"-msse4.1"},
69		"sse4_2": []string{"-msse4.2"},
70
71		// Not all cases there is performance gain by enabling -mavx -mavx2
72		// flags so these flags are not enabled by default.
73		// if there is performance gain in individual library components,
74		// the compiler flags can be set in corresponding bp files.
75		// "avx":    []string{"-mavx"},
76		// "avx2":   []string{"-mavx2"},
77		// "avx512": []string{"-mavx512"}
78
79		"popcnt": []string{"-mpopcnt"},
80		"aes_ni": []string{"-maes"},
81	}
82)
83
84const (
85	x86_64GccVersion = "4.9"
86)
87
88func init() {
89	android.RegisterDefaultArchVariantFeatures(android.Android, android.X86_64,
90		"ssse3",
91		"sse4",
92		"sse4_1",
93		"sse4_2",
94		"popcnt")
95
96	pctx.StaticVariable("x86_64GccVersion", x86_64GccVersion)
97
98	pctx.SourcePathVariable("X86_64GccRoot",
99		"prebuilts/gcc/${HostPrebuiltTag}/x86/x86_64-linux-android-${x86_64GccVersion}")
100
101	pctx.StaticVariable("X86_64ToolchainCflags", "-m64")
102	pctx.StaticVariable("X86_64ToolchainLdflags", "-m64")
103
104	pctx.StaticVariable("X86_64Ldflags", strings.Join(x86_64Ldflags, " "))
105	pctx.StaticVariable("X86_64Lldflags", strings.Join(x86_64Lldflags, " "))
106
107	// Clang cflags
108	pctx.StaticVariable("X86_64ClangCflags", strings.Join(ClangFilterUnknownCflags(x86_64Cflags), " "))
109	pctx.StaticVariable("X86_64ClangLdflags", strings.Join(ClangFilterUnknownCflags(x86_64Ldflags), " "))
110	pctx.StaticVariable("X86_64ClangLldflags", strings.Join(ClangFilterUnknownCflags(x86_64Lldflags), " "))
111	pctx.StaticVariable("X86_64ClangCppflags", strings.Join(ClangFilterUnknownCflags(x86_64Cppflags), " "))
112
113	// Yasm flags
114	pctx.StaticVariable("X86_64YasmFlags", "-f elf64 -m amd64")
115
116	// Extended cflags
117
118	// Architecture variant cflags
119	for variant, cflags := range x86_64ArchVariantCflags {
120		pctx.StaticVariable("X86_64"+variant+"VariantClangCflags",
121			strings.Join(ClangFilterUnknownCflags(cflags), " "))
122	}
123}
124
125type toolchainX86_64 struct {
126	toolchain64Bit
127	toolchainClangCflags string
128}
129
130func (t *toolchainX86_64) Name() string {
131	return "x86_64"
132}
133
134func (t *toolchainX86_64) GccRoot() string {
135	return "${config.X86_64GccRoot}"
136}
137
138func (t *toolchainX86_64) GccTriple() string {
139	return "x86_64-linux-android"
140}
141
142func (t *toolchainX86_64) GccVersion() string {
143	return x86_64GccVersion
144}
145
146func (t *toolchainX86_64) IncludeFlags() string {
147	return ""
148}
149
150func (t *toolchainX86_64) ClangTriple() string {
151	return t.GccTriple()
152}
153
154func (t *toolchainX86_64) ToolchainClangLdflags() string {
155	return "${config.X86_64ToolchainLdflags}"
156}
157
158func (t *toolchainX86_64) ToolchainClangCflags() string {
159	return t.toolchainClangCflags
160}
161
162func (t *toolchainX86_64) ClangCflags() string {
163	return "${config.X86_64ClangCflags}"
164}
165
166func (t *toolchainX86_64) ClangCppflags() string {
167	return "${config.X86_64ClangCppflags}"
168}
169
170func (t *toolchainX86_64) ClangLdflags() string {
171	return "${config.X86_64Ldflags}"
172}
173
174func (t *toolchainX86_64) ClangLldflags() string {
175	return "${config.X86_64Lldflags}"
176}
177
178func (t *toolchainX86_64) YasmFlags() string {
179	return "${config.X86_64YasmFlags}"
180}
181
182func (toolchainX86_64) LibclangRuntimeLibraryArch() string {
183	return "x86_64"
184}
185
186func x86_64ToolchainFactory(arch android.Arch) Toolchain {
187	toolchainClangCflags := []string{
188		"${config.X86_64ToolchainCflags}",
189		"${config.X86_64" + arch.ArchVariant + "VariantClangCflags}",
190	}
191
192	for _, feature := range arch.ArchFeatures {
193		toolchainClangCflags = append(toolchainClangCflags, x86_64ArchFeatureCflags[feature]...)
194	}
195
196	return &toolchainX86_64{
197		toolchainClangCflags: strings.Join(toolchainClangCflags, " "),
198	}
199}
200
201func init() {
202	registerToolchainFactory(android.Android, android.X86_64, x86_64ToolchainFactory)
203}
204