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| author | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2021-02-17 15:27:42 +0700 |
|---|---|---|
| committer | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2021-02-23 06:01:42 +0000 |
| commit | 2a18e37c4e78e26c9f1e613dfa97aaf275ea0b4d (patch) | |
| tree | 01106aacac6dfc01e1b8947e6b4f92fc3d23eee0 /src/cmd/compile/internal/ssagen/pgen.go | |
| parent | e52149822b54811cedaaa87013de3fa4bc634e95 (diff) | |
| download | go-2a18e37c4e78e26c9f1e613dfa97aaf275ea0b4d.tar.gz go-2a18e37c4e78e26c9f1e613dfa97aaf275ea0b4d.zip | |
cmd/compile: remove backend's "scratch mem" support
This CL rebases CL 273987 on top of master with @mdempsky's permission.
The last (only?) use for this feature was 387 support, which was
removed in golang.org/cl/258957.
Change-Id: I4f79fee8d0c336c9b6082bcd5eb6ece52c032dc0
Reviewed-on: https://go-review.googlesource.com/c/go/+/292893
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ssagen/pgen.go')
| -rw-r--r-- | src/cmd/compile/internal/ssagen/pgen.go | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/src/cmd/compile/internal/ssagen/pgen.go b/src/cmd/compile/internal/ssagen/pgen.go index 40f07a8d45a..25b09e1f5da 100644 --- a/src/cmd/compile/internal/ssagen/pgen.go +++ b/src/cmd/compile/internal/ssagen/pgen.go @@ -15,7 +15,6 @@ import ( "cmd/compile/internal/ir" "cmd/compile/internal/objw" "cmd/compile/internal/ssa" - "cmd/compile/internal/typecheck" "cmd/compile/internal/types" "cmd/internal/obj" "cmd/internal/objabi" @@ -90,7 +89,6 @@ func (s *ssafn) AllocFrame(f *ssa.Func) { } } - scratchUsed := false for _, b := range f.Blocks { for _, v := range b.Values { if n, ok := v.Aux.(*ir.Name); ok { @@ -104,17 +102,9 @@ func (s *ssafn) AllocFrame(f *ssa.Func) { n.SetUsed(true) } } - if !scratchUsed { - scratchUsed = v.Op.UsesScratch() - } - } } - if f.Config.NeedsFpScratch && scratchUsed { - s.scratchFpMem = typecheck.TempAt(src.NoXPos, s.curfn, types.Types[types.TUINT64]) - } - sort.Sort(byStackVar(fn.Dcl)) // Reassign stack offsets of the locals that are used. |