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all: drop 387 support

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My last 387 CL. So sad ... ... ... ... not!

Fixes #40255

Change-Id: I8d4ddb744b234b8adc735db2f7c3c7b6d8bbdfa4
Reviewed-on: https://go-review.googlesource.com/c/go/+/258957
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Keith Randall 2020-10-01 14:49:33 -07:00
parent 41df0e2218
commit fe2cfb74ba
36 changed files with 97 additions and 796 deletions
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9
src/cmd/internal/objabi/util.go
View file

@ -24,7 +24,6 @@ var (
GOROOT = envOr("GOROOT", defaultGOROOT)
GOARCH = envOr("GOARCH", defaultGOARCH)
GOOS = envOr("GOOS", defaultGOOS)
GO386 = envOr("GO386", defaultGO386)
GOAMD64 = goamd64()
GOARM = goarm()
GOMIPS = gomips()
@ -136,6 +135,14 @@ func init() {
if GOARCH != "amd64" {
Regabi_enabled = 0
}
if v := os.Getenv("GO386"); v != "" && v != "sse2" {
msg := fmt.Sprintf("unsupported setting GO386=%s", v)
if v == "387" {
msg += ". 387 support was dropped in Go 1.16. Consider using gccgo instead."
}
log.Fatal(msg)
}
}
// Note: must agree with runtime.framepointer_enabled.