Revert "cmd/internal/obj/loong64: use the MOVVP instruction to optimize prologue"
This reverts commit
eb7c67fdc9e17959647a15db9e7781b9d447061a.
Reason for revert: Causes x/tools/gopls/internal/filecache/TestConcurrency failures, See issue 75571.
Fixes #75571
Fixes #75572
Change-Id: Ife328dce917c63c872da35f4a9e9f7ef8f88c712
Reviewed-on: https://go-review.googlesource.com/c/go/+/706035
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>