diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/internal/obj/loong64/obj.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/loong64/obj.go b/src/cmd/internal/obj/loong64/obj.go index 9ade234897..681802a18d 100644 --- a/src/cmd/internal/obj/loong64/obj.go +++ b/src/cmd/internal/obj/loong64/obj.go @@ -320,6 +320,12 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { autosize += int32(c.ctxt.Arch.FixedFrameSize) } + if p.Mark&LEAF != 0 && autosize < abi.StackSmall { + // A leaf function with a small stack can be marked + // NOSPLIT, avoiding a stack check. + p.From.Sym.Set(obj.AttrNoSplit, true) + } + if autosize&4 != 0 { autosize += 4 } |