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List:       linux-mm
Subject:    arch/ia64/kernel/entry.S:621: Error: Operand 2 of `adds' should be a 14-bit integer (-8192-8191)
From:       kbuild test robot <fengguang.wu () intel ! com>
Date:       2016-10-30 5:05:23
Message-ID: 201610301358.OxiB93q2%fengguang.wu () intel ! com
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Hi Will,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a909d3e636995ba7c349e2ca5dbb528154d4ac30
commit: da48d094ce5d7c7dcdad9011648a81c42fd1c2ef Kconfig: remove \
                HAVE_LATENCYTOP_SUPPORT
date:   10 months ago
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross \
-O ~/bin/make.cross  chmod +x ~/bin/make.cross
        git checkout da48d094ce5d7c7dcdad9011648a81c42fd1c2ef
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   arch/ia64/kernel/entry.S: Assembler messages:
> > arch/ia64/kernel/entry.S:621: Error: Operand 2 of `adds' should be a 14-bit \
> > integer (-8192-8191)
   arch/ia64/kernel/entry.S:728: Error: Operand 2 of `adds' should be a 14-bit \
integer (-8192-8191)  arch/ia64/kernel/entry.S:859: Error: Operand 2 of `adds' should \
                be a 14-bit integer (-8192-8191)
--
   arch/ia64/kernel/fsys.S: Assembler messages:
> > arch/ia64/kernel/fsys.S:67: Error: Operand 3 of `add' should be a general \
> > register r0-r3
   arch/ia64/kernel/fsys.S:97: Error: Operand 3 of `add' should be a general register \
r0-r3  arch/ia64/kernel/fsys.S:193: Error: Operand 3 of `add' should be a general \
register r0-r3  arch/ia64/kernel/fsys.S:336: Error: Operand 3 of `add' should be a \
general register r0-r3  arch/ia64/kernel/fsys.S:338: Error: Operand 3 of `add' should \
                be a general register r0-r3
--
   arch/ia64/kernel/ivt.S: Assembler messages:
> > arch/ia64/kernel/ivt.S:759: Error: Operand 3 of `add' should be a general \
> > register r0-r3

vim +621 arch/ia64/kernel/entry.S

^1da177e Linus Torvalds 2005-04-16  605  	PT_REGS_UNWIND_INFO(0)
^1da177e Linus Torvalds 2005-04-16  606  {	/*
^1da177e Linus Torvalds 2005-04-16  607  	 * Some versions of gas generate bad unwind \
info if the first instruction of a ^1da177e Linus Torvalds 2005-04-16  608  	 * \
procedure doesn't go into the first slot of a bundle.  This is a workaround. ^1da177e \
Linus Torvalds 2005-04-16  609  	 */ ^1da177e Linus Torvalds 2005-04-16  610  	nop.m \
0 ^1da177e Linus Torvalds 2005-04-16  611  	nop.i 0
^1da177e Linus Torvalds 2005-04-16  612  	/*
^1da177e Linus Torvalds 2005-04-16  613  	 * We need to call schedule_tail() to \
complete the scheduling process. ^1da177e Linus Torvalds 2005-04-16  614  	 * Called \
by ia64_switch_to() after do_fork()->copy_thread().  r8 contains the ^1da177e Linus \
Torvalds 2005-04-16  615  	 * address of the previously executing task. ^1da177e \
Linus Torvalds 2005-04-16  616  	 */ ^1da177e Linus Torvalds 2005-04-16  617  \
br.call.sptk.many rp=ia64_invoke_schedule_tail ^1da177e Linus Torvalds 2005-04-16  \
618  } ^1da177e Linus Torvalds 2005-04-16  619  .ret8:
54d496c3 Al Viro        2012-10-14  620  (pKStk)	br.call.sptk.many rp=call_payload
^1da177e Linus Torvalds 2005-04-16 @621  	adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
^1da177e Linus Torvalds 2005-04-16  622  	;;
^1da177e Linus Torvalds 2005-04-16  623  	ld4 r2=[r2]
^1da177e Linus Torvalds 2005-04-16  624  	;;
^1da177e Linus Torvalds 2005-04-16  625  	mov r8=0
^1da177e Linus Torvalds 2005-04-16  626  	and r2=_TIF_SYSCALL_TRACEAUDIT,r2
^1da177e Linus Torvalds 2005-04-16  627  	;;
^1da177e Linus Torvalds 2005-04-16  628  	cmp.ne p6,p0=r2,r0
^1da177e Linus Torvalds 2005-04-16  629  (p6)	br.cond.spnt .strace_check_retval

> > > > > > The code at line 621 was first introduced by commit
> > > > > > 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

> > > > > > TO: Linus Torvalds <torvalds@ppc970.osdl.org>
> > > > > > CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation


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