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internal/buildcfg: move build configuration out of cmd/internal/objabi

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The go/build package needs access to this configuration,
so move it into a new package available to the standard library.

Change-Id: I868a94148b52350c76116451f4ad9191246adcff
Reviewed-on: https://go-review.googlesource.com/c/go/+/310731
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
This commit is contained in:
Russ Cox 2021-04-15 23:05:49 -04:00
parent 2fc0ebb623
commit 95ed5c3800
94 changed files with 674 additions and 549 deletions
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4
src/cmd/compile/internal/ssa/regalloc.go
View file

@ -117,10 +117,10 @@ import (
"cmd/compile/internal/base"
"cmd/compile/internal/ir"
"cmd/compile/internal/types"
"cmd/internal/objabi"
"cmd/internal/src"
"cmd/internal/sys"
"fmt"
"internal/buildcfg"
"math/bits"
"unsafe"
)
@ -609,7 +609,7 @@ func (s *regAllocState) init(f *Func) {
if s.f.Config.hasGReg {
s.allocatable &^= 1 << s.GReg
}
if objabi.FramePointerEnabled && s.f.Config.FPReg >= 0 {
if buildcfg.FramePointerEnabled && s.f.Config.FPReg >= 0 {
s.allocatable &^= 1 << uint(s.f.Config.FPReg)
}
if s.f.Config.LinkReg != -1 {