From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stafford Horne Date: Sat, 4 Dec 2021 11:18:41 +0900 Subject: [OpenRISC] [PATCH 2/3] openrisc: Use delay slot for clone and fork wrappers In-Reply-To: <20211204021842.1853549-1-shorne@gmail.com> References: <20211204021842.1853549-1-shorne@gmail.com> Message-ID: <20211204021842.1853549-3-shorne@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org This saves one instruction. Signed-off-by: Stafford Horne --- arch/openrisc/kernel/entry.S | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index c608f76e5753..8cd2113057c5 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -1162,15 +1162,13 @@ _fork_save_extra_regs_and_call: ENTRY(__sys_clone) l.movhi r29,hi(sys_clone) - l.ori r29,r29,lo(sys_clone) l.j _fork_save_extra_regs_and_call - l.nop + l.ori r29,r29,lo(sys_clone) ENTRY(__sys_fork) l.movhi r29,hi(sys_fork) - l.ori r29,r29,lo(sys_fork) l.j _fork_save_extra_regs_and_call - l.nop + l.ori r29,r29,lo(sys_fork) ENTRY(sys_rt_sigreturn) l.jal _sys_rt_sigreturn -- 2.31.1