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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package config
import (
"strings"
"android/soong/android"
)
var (
x86Cflags = []string{}
x86ClangCflags = append(x86Cflags, []string{
"-msse3",
// -mstackrealign is needed to realign stack in native code
// that could be called from JNI, so that movaps instruction
// will work on assumed stack aligned local variables.
"-mstackrealign",
}...)
x86Cppflags = []string{}
x86Ldflags = []string{
"-Wl,--hash-style=gnu",
}
x86Lldflags = ClangFilterUnknownLldflags(x86Ldflags)
x86ArchVariantCflags = map[string][]string{
"": []string{
"-march=prescott",
},
"x86_64": []string{
"-march=prescott",
},
"atom": []string{
"-march=atom",
"-mfpmath=sse",
},
"broadwell": []string{
"-march=broadwell",
"-mfpmath=sse",
},
"haswell": []string{
"-march=core-avx2",
"-mfpmath=sse",
},
"ivybridge": []string{
"-march=core-avx-i",
"-mfpmath=sse",
},
"sandybridge": []string{
"-march=corei7",
"-mfpmath=sse",
},
"silvermont": []string{
"-march=slm",
"-mfpmath=sse",
},
"skylake": []string{
"-march=skylake",
"-mfpmath=sse",
},
"stoneyridge": []string{
"-march=bdver4",
"-mfpmath=sse",
},
}
x86ArchFeatureCflags = map[string][]string{
"ssse3": []string{"-mssse3"},
"sse4": []string{"-msse4"},
"sse4_1": []string{"-msse4.1"},
"sse4_2": []string{"-msse4.2"},
// Not all cases there is performance gain by enabling -mavx -mavx2
// flags so these flags are not enabled by default.
// if there is performance gain in individual library components,
// the compiler flags can be set in corresponding bp files.
// "avx": []string{"-mavx"},
// "avx2": []string{"-mavx2"},
// "avx512": []string{"-mavx512"}
"aes_ni": []string{"-maes"},
}
)
const (
x86GccVersion = "4.9"
)
func init() {
pctx.StaticVariable("x86GccVersion", x86GccVersion)
pctx.SourcePathVariable("X86GccRoot",
"prebuilts/gcc/${HostPrebuiltTag}/x86/x86_64-linux-android-${x86GccVersion}")
pctx.StaticVariable("X86ToolchainCflags", "-m32")
pctx.StaticVariable("X86ToolchainLdflags", "-m32")
pctx.StaticVariable("X86Ldflags", strings.Join(x86Ldflags, " "))
pctx.StaticVariable("X86Lldflags", strings.Join(x86Lldflags, " "))
pctx.StaticVariable("X86IncludeFlags", bionicHeaders("x86"))
// Clang cflags
pctx.StaticVariable("X86ClangCflags", strings.Join(ClangFilterUnknownCflags(x86ClangCflags), " "))
pctx.StaticVariable("X86ClangLdflags", strings.Join(ClangFilterUnknownCflags(x86Ldflags), " "))
pctx.StaticVariable("X86ClangLldflags", strings.Join(ClangFilterUnknownCflags(x86Lldflags), " "))
pctx.StaticVariable("X86ClangCppflags", strings.Join(ClangFilterUnknownCflags(x86Cppflags), " "))
// Yasm flags
pctx.StaticVariable("X86YasmFlags", "-f elf32 -m x86")
// Extended cflags
// Architecture variant cflags
for variant, cflags := range x86ArchVariantCflags {
pctx.StaticVariable("X86"+variant+"VariantClangCflags",
strings.Join(ClangFilterUnknownCflags(cflags), " "))
}
}
type toolchainX86 struct {
toolchain32Bit
toolchainClangCflags string
}
func (t *toolchainX86) Name() string {
return "x86"
}
func (t *toolchainX86) GccRoot() string {
return "${config.X86GccRoot}"
}
func (t *toolchainX86) GccTriple() string {
return "x86_64-linux-android"
}
func (t *toolchainX86) GccVersion() string {
return x86GccVersion
}
func (t *toolchainX86) IncludeFlags() string {
return "${config.X86IncludeFlags}"
}
func (t *toolchainX86) ClangTriple() string {
return "i686-linux-android"
}
func (t *toolchainX86) ToolchainClangLdflags() string {
return "${config.X86ToolchainLdflags}"
}
func (t *toolchainX86) ToolchainClangCflags() string {
return t.toolchainClangCflags
}
func (t *toolchainX86) ClangCflags() string {
return "${config.X86ClangCflags}"
}
func (t *toolchainX86) ClangCppflags() string {
return "${config.X86ClangCppflags}"
}
func (t *toolchainX86) ClangLdflags() string {
return "${config.X86Ldflags}"
}
func (t *toolchainX86) ClangLldflags() string {
return "${config.X86Lldflags}"
}
func (t *toolchainX86) YasmFlags() string {
return "${config.X86YasmFlags}"
}
func (toolchainX86) LibclangRuntimeLibraryArch() string {
return "i686"
}
func x86ToolchainFactory(arch android.Arch) Toolchain {
toolchainClangCflags := []string{
"${config.X86ToolchainCflags}",
"${config.X86" + arch.ArchVariant + "VariantClangCflags}",
}
for _, feature := range arch.ArchFeatures {
toolchainClangCflags = append(toolchainClangCflags, x86ArchFeatureCflags[feature]...)
}
return &toolchainX86{
toolchainClangCflags: strings.Join(toolchainClangCflags, " "),
}
}
func init() {
registerToolchainFactory(android.Android, android.X86, x86ToolchainFactory)
}
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