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test: small cleanup of code and comments in run.go

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While writing CL 107315, I went back and forth for the syntax used for
constraints of build environments in which the architecture did not
support varitants ("plan9/amd64" vs "plan9/amd64/"). I eventually
settled for the latter because the code required less heuristics
(think parsing "plan9/386" vs "386/sse2") but there were a few
leftovers in code and comments.

Change-Id: I9d9a008f3814f9a1642609650eb571e7f1a675cf
Reviewed-on: https://go-review.googlesource.com/107338
Run-TryBot: Giovanni Bajo <rasky@develer.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Giovanni Bajo 2018-04-15 22:53:58 +02:00
parent 26085fcea3
commit 2954ef20bb
1 changed files with 5 additions and 5 deletions
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10
test/run.go
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@ -1292,7 +1292,7 @@ var (
rxAsmCheck = regexp.MustCompile(reMatchCheck)
// List of all architecture variants. Key is the GOARCH architecture,
// value[1] is the variant-changing environment variable, and values[1:]
// value[0] is the variant-changing environment variable, and values[1:]
// are the supported variants.
archVariants = map[string][]string{
"386": {"GO386", "387", "sse2"},
@ -1317,18 +1317,18 @@ type wantedAsmOpcode struct {
}
// A build environment triplet separated by slashes (eg: linux/386/sse2).
// The third field can be empty if the arch does not support variants (eg: "plan9/amd64")
// The third field can be empty if the arch does not support variants (eg: "plan9/amd64/")
type buildEnv string
// Environ returns the environment it represents in cmd.Environ() "key=val" format
// For instance, "linux/386/sse2".Environ() returns {"GOOS=linux", "GOARCH=386", "GO386=sse2"}
func (b buildEnv) Environ() []string {
fields := strings.Split(string(b), "/")
if len(fields) != 3 && len(fields) != 2 {
if len(fields) != 3 {
panic("invalid buildEnv string: " + string(b))
}
env := []string{"GOOS=" + fields[0], "GOARCH=" + fields[1]}
if len(fields) == 3 {
if fields[2] != "" {
env = append(env, archVariants[fields[1]][0]+"="+fields[2])
}
return env
@ -1395,7 +1395,7 @@ func (t *test) wantedAsmOpcodes(fn string) asmChecks {
} else {
subarchs := archVariants[arch]
if len(subarchs) == 0 {
envs = append(envs, buildEnv(os+"/"+arch))
envs = append(envs, buildEnv(os+"/"+arch+"/"))
} else {
for _, sa := range archVariants[arch][1:] {
envs = append(envs, buildEnv(os+"/"+arch+"/"+sa))