diff options
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/riscv/obj.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/riscv/obj.go b/src/cmd/internal/obj/riscv/obj.go index f6049f79fd..efb27ecba8 100644 --- a/src/cmd/internal/obj/riscv/obj.go +++ b/src/cmd/internal/obj/riscv/obj.go @@ -23,6 +23,7 @@ package riscv import ( "cmd/internal/obj" "cmd/internal/objabi" + "cmd/internal/src" "cmd/internal/sys" "fmt" "internal/abi" @@ -427,18 +428,23 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) { prologue = stacksplit(ctxt, prologue, cursym, newprog, stacksize) // emit split check } + q := prologue + if stacksize != 0 { prologue = ctxt.StartUnsafePoint(prologue, newprog) // Actually save LR. prologue = obj.Appendp(prologue, newprog) prologue.As = AMOV + prologue.Pos = q.Pos prologue.From = obj.Addr{Type: obj.TYPE_REG, Reg: REG_LR} prologue.To = obj.Addr{Type: obj.TYPE_MEM, Reg: REG_SP, Offset: -stacksize} // Insert stack adjustment. prologue = obj.Appendp(prologue, newprog) prologue.As = AADDI + prologue.Pos = q.Pos + prologue.Pos = prologue.Pos.WithXlogue(src.PosPrologueEnd) prologue.From = obj.Addr{Type: obj.TYPE_CONST, Offset: -stacksize} prologue.Reg = REG_SP prologue.To = obj.Addr{Type: obj.TYPE_REG, Reg: REG_SP} |