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| author | Guoqi Chen <chenguoqi@loongson.cn> | 2023-08-16 09:16:21 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-11-21 19:22:18 +0000 |
| commit | e58c9baa9f7b708bcd6a3abf5a8426b0531ed002 (patch) | |
| tree | ff2da929676682b0acb3198633bb351818a169e3 /src/cmd/internal/obj | |
| parent | c83b5fefabe514ce5315135621b962f120277d23 (diff) | |
| download | go-e58c9baa9f7b708bcd6a3abf5a8426b0531ed002.tar.xz | |
cmd/internal/obj: set morestack arg spilling and regabi prologue on loong64
Update #40724
Co-authored-by: Xiaolin Zhao <zhaoxiaolin@loongson.cn>
Change-Id: Ie92da57e29bae0e5cccb2a49a7cbeaf02cbf3a8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/521787
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: David Chase <drchase@google.com>
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/loong64/obj.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/loong64/obj.go b/src/cmd/internal/obj/loong64/obj.go index bc9cf2ec22..5fa67f3acd 100644 --- a/src/cmd/internal/obj/loong64/obj.go +++ b/src/cmd/internal/obj/loong64/obj.go @@ -620,6 +620,10 @@ func (c *ctxt0) stacksplit(p *obj.Prog, framesize int32) *obj.Prog { p = c.ctxt.StartUnsafePoint(p, c.newprog) + // Spill Arguments. This has to happen before we open + // any more frame space. + p = c.cursym.Func().SpillRegisterArgs(p, c.newprog) + // MOV REGLINK, -8/-16(SP) p = obj.Appendp(p, c.newprog) p.As = mov @@ -684,6 +688,8 @@ func (c *ctxt0) stacksplit(p *obj.Prog, framesize int32) *obj.Prog { p.To.Reg = REGSP p.Spadj = int32(-frameSize) + // Unspill arguments + p = c.cursym.Func().UnspillRegisterArgs(p, c.newprog) p = c.ctxt.EndUnsafePoint(p, c.newprog, -1) } @@ -795,6 +801,10 @@ func (c *ctxt0) stacksplit(p *obj.Prog, framesize int32) *obj.Prog { p = c.ctxt.EmitEntryStackMap(c.cursym, p, c.newprog) + // Spill the register args that could be clobbered by the + // morestack code + p = c.cursym.Func().SpillRegisterArgs(p, c.newprog) + // JAL runtime.morestack(SB) p = obj.Appendp(p, c.newprog) @@ -809,6 +819,7 @@ func (c *ctxt0) stacksplit(p *obj.Prog, framesize int32) *obj.Prog { } p.Mark |= BRANCH + p = c.cursym.Func().UnspillRegisterArgs(p, c.newprog) p = c.ctxt.EndUnsafePoint(p, c.newprog, -1) // JMP start |