[ammarfaizi2-block:google/android/kernel/common/android13-5.10 8455/9999] arch/arm/mach-ep93xx/crunch-bits.S:94:2: error: invalid instruction

From: kernel test robot
Date: Wed Mar 16 2022 - 03:09:14 EST

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tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.10
head: 19507e098be2c5f9b07ed086c94697c694473906
commit: ffff118fe157b534c3244f8b300e655231dbd95c [8455/9999] BACKPORT: scripts/Makefile.clang: default to LLVM_IAS=1
config: arm-ep93xx_defconfig (https://download.01.org/0day-ci/archive/20220316/202203161410.zozX61pm-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/ammarfaizi2/linux-block/commit/ffff118fe157b534c3244f8b300e655231dbd95c
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.10
git checkout ffff118fe157b534c3244f8b300e655231dbd95c
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> arch/arm/mach-ep93xx/crunch-bits.S:94:2: error: invalid instruction
cfstr64 mvdx0, [r1, #0] @ save 64b registers
^
arch/arm/mach-ep93xx/crunch-bits.S:95:2: error: invalid instruction
cfstr64 mvdx1, [r1, #8]
^
arch/arm/mach-ep93xx/crunch-bits.S:96:2: error: invalid instruction
cfstr64 mvdx2, [r1, #16]
^
arch/arm/mach-ep93xx/crunch-bits.S:97:2: error: invalid instruction
cfstr64 mvdx3, [r1, #24]
^
arch/arm/mach-ep93xx/crunch-bits.S:98:2: error: invalid instruction
cfstr64 mvdx4, [r1, #32]
^
arch/arm/mach-ep93xx/crunch-bits.S:99:2: error: invalid instruction
cfstr64 mvdx5, [r1, #40]
^
arch/arm/mach-ep93xx/crunch-bits.S:100:2: error: invalid instruction
cfstr64 mvdx6, [r1, #48]
^
arch/arm/mach-ep93xx/crunch-bits.S:101:2: error: invalid instruction
cfstr64 mvdx7, [r1, #56]
^
arch/arm/mach-ep93xx/crunch-bits.S:102:2: error: invalid instruction
cfstr64 mvdx8, [r1, #64]
^
arch/arm/mach-ep93xx/crunch-bits.S:103:2: error: invalid instruction
cfstr64 mvdx9, [r1, #72]
^
arch/arm/mach-ep93xx/crunch-bits.S:104:2: error: invalid instruction
cfstr64 mvdx10, [r1, #80]
^
arch/arm/mach-ep93xx/crunch-bits.S:105:2: error: invalid instruction
cfstr64 mvdx11, [r1, #88]
^
arch/arm/mach-ep93xx/crunch-bits.S:106:2: error: invalid instruction
cfstr64 mvdx12, [r1, #96]
^
arch/arm/mach-ep93xx/crunch-bits.S:107:2: error: invalid instruction
cfstr64 mvdx13, [r1, #104]
^
arch/arm/mach-ep93xx/crunch-bits.S:108:2: error: invalid instruction
cfstr64 mvdx14, [r1, #112]
^
arch/arm/mach-ep93xx/crunch-bits.S:109:2: error: invalid instruction
cfstr64 mvdx15, [r1, #120]
^
arch/arm/mach-ep93xx/crunch-bits.S:115:2: error: invalid instruction
cfmv32al mvfx0, mvax0 @ save 72b accumulators
^
arch/arm/mach-ep93xx/crunch-bits.S:116:2: error: invalid instruction
cfstr32 mvfx0, [r1, #128]
^
arch/arm/mach-ep93xx/crunch-bits.S:117:2: error: invalid instruction
cfmv32am mvfx0, mvax0
^
arch/arm/mach-ep93xx/crunch-bits.S:118:2: error: invalid instruction
cfstr32 mvfx0, [r1, #132]
^
arch/arm/mach-ep93xx/crunch-bits.S:119:2: error: invalid instruction
cfmv32ah mvfx0, mvax0
^
arch/arm/mach-ep93xx/crunch-bits.S:120:2: error: invalid instruction
cfstr32 mvfx0, [r1, #136]
^
arch/arm/mach-ep93xx/crunch-bits.S:121:2: error: invalid instruction
cfmv32al mvfx0, mvax1
^
arch/arm/mach-ep93xx/crunch-bits.S:122:2: error: invalid instruction
cfstr32 mvfx0, [r1, #140]
^
arch/arm/mach-ep93xx/crunch-bits.S:123:2: error: invalid instruction
cfmv32am mvfx0, mvax1
^
arch/arm/mach-ep93xx/crunch-bits.S:124:2: error: invalid instruction
cfstr32 mvfx0, [r1, #144]
^
arch/arm/mach-ep93xx/crunch-bits.S:125:2: error: invalid instruction
cfmv32ah mvfx0, mvax1
^
arch/arm/mach-ep93xx/crunch-bits.S:126:2: error: invalid instruction
cfstr32 mvfx0, [r1, #148]
^
arch/arm/mach-ep93xx/crunch-bits.S:127:2: error: invalid instruction
cfmv32al mvfx0, mvax2
^
arch/arm/mach-ep93xx/crunch-bits.S:128:2: error: invalid instruction
cfstr32 mvfx0, [r1, #152]
^
arch/arm/mach-ep93xx/crunch-bits.S:129:2: error: invalid instruction
cfmv32am mvfx0, mvax2
^
arch/arm/mach-ep93xx/crunch-bits.S:130:2: error: invalid instruction
cfstr32 mvfx0, [r1, #156]
^
arch/arm/mach-ep93xx/crunch-bits.S:131:2: error: invalid instruction
cfmv32ah mvfx0, mvax2
^
arch/arm/mach-ep93xx/crunch-bits.S:132:2: error: invalid instruction
cfstr32 mvfx0, [r1, #160]

vim +94 arch/arm/mach-ep93xx/crunch-bits.S

c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 53
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 54 .text
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 55
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 56 /*
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 57 * Lazy switching of crunch coprocessor context
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 58 *
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 59 * r10 = struct thread_info pointer
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 60 * r9 = ret_from_exception
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 61 * lr = undefined instr exit
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 62 *
1417a6b8dc4db7 arch/arm/mach-ep93xx/crunch-bits.S Catalin Marinas 2014-04-22 63 * called from prefetch exception handler with interrupts enabled
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 64 */
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 65 ENTRY(crunch_task_enable)
bc94081c6ac823 arch/arm/mach-ep93xx/crunch-bits.S Catalin Marinas 2014-04-22 66 inc_preempt_count r10, r3
bc94081c6ac823 arch/arm/mach-ep93xx/crunch-bits.S Catalin Marinas 2014-04-22 67
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 68 ldr r8, =(EP93XX_APB_VIRT_BASE + 0x00130000) @ syscon addr
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 69
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 70 ldr r1, [r8, #0x80]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 71 tst r1, #0x00800000 @ access to crunch enabled?
bc94081c6ac823 arch/arm/mach-ep93xx/crunch-bits.S Catalin Marinas 2014-04-22 72 bne 2f @ if so no business here
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 73 mov r3, #0xaa @ unlock syscon swlock
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 74 str r3, [r8, #0xc0]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 75 orr r1, r1, #0x00800000 @ enable access to crunch
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 76 str r1, [r8, #0x80]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 77
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 78 ldr r3, =crunch_owner
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 79 add r0, r10, #TI_CRUNCH_STATE @ get task crunch save area
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 80 ldr r2, [sp, #60] @ current task pc value
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 81 ldr r1, [r3] @ get current crunch owner
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 82 str r0, [r3] @ this task now owns crunch
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 83 sub r2, r2, #4 @ adjust pc back
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 84 str r2, [sp, #60]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 85
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 86 ldr r2, [r8, #0x80]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 87 mov r2, r2 @ flush out enable (@@@)
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 88
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 89 teq r1, #0 @ test for last ownership
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 90 mov lr, r9 @ normal exit from exception
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 91 beq crunch_load @ no owner, skip save
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 92
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 93 crunch_save:
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 @94 cfstr64 mvdx0, [r1, #CRUNCH_MVDX0] @ save 64b registers
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 95 cfstr64 mvdx1, [r1, #CRUNCH_MVDX1]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 96 cfstr64 mvdx2, [r1, #CRUNCH_MVDX2]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 97 cfstr64 mvdx3, [r1, #CRUNCH_MVDX3]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 98 cfstr64 mvdx4, [r1, #CRUNCH_MVDX4]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 99 cfstr64 mvdx5, [r1, #CRUNCH_MVDX5]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 100 cfstr64 mvdx6, [r1, #CRUNCH_MVDX6]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 101 cfstr64 mvdx7, [r1, #CRUNCH_MVDX7]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 102 cfstr64 mvdx8, [r1, #CRUNCH_MVDX8]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 103 cfstr64 mvdx9, [r1, #CRUNCH_MVDX9]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 104 cfstr64 mvdx10, [r1, #CRUNCH_MVDX10]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 105 cfstr64 mvdx11, [r1, #CRUNCH_MVDX11]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 106 cfstr64 mvdx12, [r1, #CRUNCH_MVDX12]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 107 cfstr64 mvdx13, [r1, #CRUNCH_MVDX13]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 108 cfstr64 mvdx14, [r1, #CRUNCH_MVDX14]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 109 cfstr64 mvdx15, [r1, #CRUNCH_MVDX15]
c17fad11f3105c arch/arm/kernel/crunch-bits.S Lennert Buytenhek 2006-06-27 110

:::::: The code at line 94 was first introduced by commit
:::::: c17fad11f3105ca4d5bbb2686725aad208f5ead4 [ARM] 3370/2: ep93xx: add crunch support

:::::: TO: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
:::::: CC: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>

---
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Next message: Ian Rogers: "[PATCH] perf evlist: Avoid iteration for empty evlist."
Previous message: Vignesh Raghavendra: "Re: [PATCH v2 0/6] spi-mem: Allow specifying the byte order in DTR mode"
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