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From: kbuild test robot <lkp@intel.com>
To: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org, kbuild-all@lists.01.org
Subject: [arc:topic-zol-remove 49/49] arch/arc/kernel/entry-arcv2.S:212: Error: bad expression
Date: Thu, 21 May 2020 15:31:34 +0800	[thread overview]
Message-ID: <202005211530.JOAyMIEq%lkp@intel.com> (raw)

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Hi Vineet,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git topic-zol-remove
head:   3138fa6a1832fdb830784a9781e63d739c0fdef7
commit: 3138fa6a1832fdb830784a9781e63d739c0fdef7 [49/49] ARC: entry: assembler macros to emulate pseudo instructions
config: arc-randconfig-r021-20200520 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 3138fa6a1832fdb830784a9781e63d739c0fdef7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

arch/arc/kernel/entry-arcv2.S: Assembler messages:
>> arch/arc/kernel/entry-arcv2.S:212: Error: bad expression
>> arch/arc/kernel/entry-arcv2.S:212: Error: Brackets in operand field incorrect
>> arch/arc/kernel/entry-arcv2.S:212: Error: syntax error
>> arch/arc/kernel/entry-arcv2.S:212: Error: bad expression
>> arch/arc/kernel/entry-arcv2.S:212: Error: Brackets in operand field incorrect
>> arch/arc/kernel/entry-arcv2.S:212: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error
arch/arc/kernel/entry-arcv2.S:220: Error: bad expression
arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect
arch/arc/kernel/entry-arcv2.S:220: Error: syntax error

vim +212 arch/arc/kernel/entry-arcv2.S

75370ad44075e8 Vineet Gupta 2019-05-22  194  
1f6ccfff631467 Vineet Gupta 2013-05-13  195  debug_marker_l1:
e494239a007e60 Vineet Gupta 2018-06-06  196  	; bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot
e494239a007e60 Vineet Gupta 2018-06-06  197  	btst	r0, STATUS_DE_BIT		; Z flag set if bit clear
e494239a007e60 Vineet Gupta 2018-06-06  198  	bnz	.Lintr_ret_to_delay_slot	; branch if STATUS_DE_BIT set
4255b07f2c9c43 Vineet Gupta 2014-09-22  199  
1f6ccfff631467 Vineet Gupta 2013-05-13  200  	; Handle special case #1: (Entry via Exception, Return via IRQ)
1f6ccfff631467 Vineet Gupta 2013-05-13  201  	;
1f6ccfff631467 Vineet Gupta 2013-05-13  202  	; Exception in U mode, preempted in kernel, Intr taken (K mode), orig
1f6ccfff631467 Vineet Gupta 2013-05-13  203  	; task now returning to U mode (riding the Intr)
1f6ccfff631467 Vineet Gupta 2013-05-13  204  	; AUX_IRQ_ACTIVE won't have U bit set (since intr in K mode), hence SP
1f6ccfff631467 Vineet Gupta 2013-05-13  205  	; won't be switched to correct U mode value (from AUX_SP)
1f6ccfff631467 Vineet Gupta 2013-05-13  206  	; So force AUX_IRQ_ACT.U for such a case
1f6ccfff631467 Vineet Gupta 2013-05-13  207  
1f6ccfff631467 Vineet Gupta 2013-05-13  208  	btst	r0, STATUS_U_BIT		; Z flag set if K (Z clear for U)
1f6ccfff631467 Vineet Gupta 2013-05-13  209  	bset.nz	r11, r11, AUX_IRQ_ACT_BIT_U	; NZ means U
1f6ccfff631467 Vineet Gupta 2013-05-13  210  	sr	r11, [AUX_IRQ_ACT]
1f6ccfff631467 Vineet Gupta 2013-05-13  211  
a4880801a72ecc Vineet Gupta 2019-05-15 @212  	INTERRUPT_EPILOGUE
1f6ccfff631467 Vineet Gupta 2013-05-13  213  	rtie
1f6ccfff631467 Vineet Gupta 2013-05-13  214  

:::::: The code at line 212 was first introduced by commit
:::::: a4880801a72ecc2dcdfa432f81a754f3e7438567 ARCv2: entry: rewrite to enable use of double load/stores LDD/STD

:::::: TO: Vineet Gupta <vgupta@synopsys.com>
:::::: CC: Vineet Gupta <vgupta@synopsys.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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                 reply	other threads:[~2020-05-21  7:32 UTC|newest]

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