linux-kernel - arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_ovf

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Date:	Tue, 19 Apr 2016 21:41:29 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Chris Zankel <chris@...kel.net>,
	Max Filippov <jcmvbkbc@...il.com>
Subject: arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
 name 'rur.ae_ovf_sar'

Hi,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   12566cc35d0e68308bde7aad615743d560cb097b
commit: 9da8320bb97768e35f2e64fa7642015271d672eb xtensa: add test_kc705_hifi variant
date:   5 weeks ago
config: xtensa-audio_kc705_defconfig (attached as .config)
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 9da8320bb97768e35f2e64fa7642015271d672eb
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   arch/xtensa/kernel/coprocessor.S: Assembler messages:
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_ovf_sar'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_bithead'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_ts_fts_bu_bp'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_cw_sd_no'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_cbegin0'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'rur.ae_cend0'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'
>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format name 'ae_s64.i'

vim +93 arch/xtensa/kernel/coprocessor.S

c658eac6 Chris Zankel 2008-02-12   87  	.else;								\
c658eac6 Chris Zankel 2008-02-12   88  		.long 0;						\
c658eac6 Chris Zankel 2008-02-12   89  	.endif;								\
c658eac6 Chris Zankel 2008-02-12   90  	.long THREAD_XTREGS_CP##x
5a0015d6 Chris Zankel 2005-06-23   91  
c658eac6 Chris Zankel 2008-02-12   92  	SAVE_CP_REGS(0)
c658eac6 Chris Zankel 2008-02-12  @93  	SAVE_CP_REGS(1)
c658eac6 Chris Zankel 2008-02-12   94  	SAVE_CP_REGS(2)
c658eac6 Chris Zankel 2008-02-12   95  	SAVE_CP_REGS(3)
c658eac6 Chris Zankel 2008-02-12   96  	SAVE_CP_REGS(4)
c658eac6 Chris Zankel 2008-02-12   97  	SAVE_CP_REGS(5)
c658eac6 Chris Zankel 2008-02-12   98  	SAVE_CP_REGS(6)
c658eac6 Chris Zankel 2008-02-12   99  	SAVE_CP_REGS(7)
5a0015d6 Chris Zankel 2005-06-23  100  
c658eac6 Chris Zankel 2008-02-12  101  	LOAD_CP_REGS(0)
c658eac6 Chris Zankel 2008-02-12 @102  	LOAD_CP_REGS(1)
c658eac6 Chris Zankel 2008-02-12  103  	LOAD_CP_REGS(2)
c658eac6 Chris Zankel 2008-02-12  104  	LOAD_CP_REGS(3)
c658eac6 Chris Zankel 2008-02-12  105  	LOAD_CP_REGS(4)

:::::: The code at line 93 was first introduced by commit
:::::: c658eac628aa8df040dfe614556d95e6da3a9ffb [XTENSA] Add support for configurable registers and coprocessors

:::::: TO: Chris Zankel <chris@...kel.net>
:::::: CC: Chris Zankel <chris@...kel.net>

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