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llvm cpu features

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This commit is contained in:
j7b
2019-01-09 18:12:33 -08:00
committed by Ayke van Laethem
parent 4442b1304e
commit 0ae467d3e2
3 changed files with 9 additions and 1 deletions
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compiler/compiler.go
+6 -1
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@@ -30,6 +30,7 @@ func init() {
type Config struct {
Triple string // LLVM target triple, e.g. x86_64-unknown-linux-gnu (empty string means default)
CPU string // LLVM CPU name, e.g. atmega328p (empty string means default)
Features []string // LLVM CPU features
GOOS string //
GOARCH string //
GC string // garbage collection strategy
@@ -101,7 +102,11 @@ func NewCompiler(pkgName string, config Config) (*Compiler, error) {
if err != nil {
return nil, err
}
c.machine = target.CreateTargetMachine(config.Triple, config.CPU, "", llvm.CodeGenLevelDefault, llvm.RelocStatic, llvm.CodeModelDefault)
features := ""
if len(config.Features) > 0 {
features = strings.Join(config.Features, `,`)
}
c.machine = target.CreateTargetMachine(config.Triple, config.CPU, features, llvm.CodeGenLevelDefault, llvm.RelocStatic, llvm.CodeModelDefault)
c.targetData = c.machine.CreateTargetData()
c.ctx = llvm.NewContext()