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(HELO 53e96f405c61) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 11 Sep 2024 13:10:17 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1soTfI-00045m-0u; Wed, 11 Sep 2024 20:10:12 +0000 Date: Thu, 12 Sep 2024 04:09:27 +0800 From: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, llvm@lists.linux.dev Subject: drivers/gpu/drm/sti/sti_awg_utils.o: warning: objtool: awg_generate_instr+0xac: unreachable instruction Message-ID: <202409120406.3Khlzere-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit CC: linux-kernel@vger.kernel.org TO: "Ville Syrjälä" tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 77f587896757708780a7e8792efe62939f25a5ab commit: 74bde7581df3e18061119e1b27b63d0a9ea57b7a drm/sti: Allow build with COMPILE_TEST=y date: 4 months ago config: x86_64-buildonly-randconfig-002-20240912 (https://download.01.org/0day-ci/archive/20240912/202409120406.3Khlzere-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240912/202409120406.3Khlzere-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202409120406.3Khlzere-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/sti/sti_awg_utils.o: warning: objtool: awg_generate_instr+0xac: unreachable instruction objdump-func vmlinux.o awg_generate_instr: 0000 0000000002df0330 : 0000 2df0330: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 2df0331: R_X86_64_NONE __fentry__-0x4 0005 2df0335: 55 push %rbp 0006 2df0336: 48 89 e5 mov %rsp,%rbp 0009 2df0339: 41 57 push %r15 000b 2df033b: 41 56 push %r14 000d 2df033d: 41 55 push %r13 000f 2df033f: 41 54 push %r12 0011 2df0341: 53 push %rbx 0012 2df0342: 48 8d 64 24 d8 lea -0x28(%rsp),%rsp 0017 2df0347: 48 89 cb mov %rcx,%rbx 001a 2df034a: 49 89 d5 mov %rdx,%r13 001d 2df034d: 49 89 f6 mov %rsi,%r14 0020 2df0350: 41 89 fc mov %edi,%r12d 0023 2df0353: e8 00 00 00 00 call 2df0358 2df0354: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 0028 2df0358: 4d 85 f6 test %r14,%r14 002b 2df035b: 0f 8e 7e 01 00 00 jle 2df04df 0031 2df0361: 4c 8d 7b 08 lea 0x8(%rbx),%r15 0035 2df0365: 48 b9 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rcx 003f 2df036f: 41 83 e5 01 and $0x1,%r13d 0043 2df0373: 4c 89 f8 mov %r15,%rax 0046 2df0376: 48 c1 e8 03 shr $0x3,%rax 004a 2df037a: 48 89 45 c0 mov %rax,-0x40(%rbp) 004e 2df037e: 8a 04 08 mov (%rax,%rcx,1),%al 0051 2df0381: 84 c0 test %al,%al 0053 2df0383: 0f 85 8d 01 00 00 jne 2df0516 0059 2df0389: 41 c1 e5 09 shl $0x9,%r13d 005d 2df038d: 48 89 5d b0 mov %rbx,-0x50(%rbp) 0061 2df0391: 48 c1 eb 03 shr $0x3,%rbx 0065 2df0395: 4c 89 7d b8 mov %r15,-0x48(%rbp) 0069 2df0399: 4c 89 6d d0 mov %r13,-0x30(%rbp) 006d 2df039d: 45 8a 2f mov (%r15),%r13b 0070 2df03a0: 48 89 5d c8 mov %rbx,-0x38(%rbp) 0074 2df03a4: 41 80 fd 40 cmp $0x40,%r13b 0078 2df03a8: 49 bf 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r15 0082 2df03b2: 0f 83 2e 01 00 00 jae 2df04e6 0088 2df03b8: 67 41 8d 04 24 lea (%r12d),%eax 008d 2df03bd: ff 24 c5 00 00 00 00 jmp *0x0(,%rax,8) 2df03c0: R_X86_64_32S .rodata+0x12625e0 0094 2df03c4: cc int3 0095 2df03c5: e8 00 00 00 00 call 2df03ca 2df03c6: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 009a 2df03ca: eb 37 jmp 2df0403 009c 2df03cc: e8 00 00 00 00 call 2df03d1 2df03cd: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00a1 2df03d1: 31 db xor %ebx,%ebx 00a3 2df03d3: eb 4f jmp 2df0424 00a5 2df03d5: e8 00 00 00 00 call 2df03da 2df03d6: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00aa 2df03da: eb 27 jmp 2df0403 00ac 2df03dc: e8 00 00 00 00 call 2df03e1 2df03dd: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00b1 2df03e1: eb 20 jmp 2df0403 00b3 2df03e3: 49 ff ce dec %r14 00b6 2df03e6: 0f 84 b6 00 00 00 je 2df04a2 00bc 2df03ec: e8 00 00 00 00 call 2df03f1 2df03ed: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00c1 2df03f1: 44 89 f3 mov %r14d,%ebx 00c4 2df03f4: 31 c0 xor %eax,%eax 00c6 2df03f6: 41 bc 03 00 00 00 mov $0x3,%r12d 00cc 2df03fc: eb 1c jmp 2df041a 00ce 2df03fe: e8 00 00 00 00 call 2df0403 2df03ff: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00d3 2df0403: 41 0f b6 de movzbl %r14b,%ebx 00d7 2df0407: eb 1b jmp 2df0424 00d9 2df0409: e8 00 00 00 00 call 2df040e 2df040a: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00de 2df040e: eb 05 jmp 2df0415 00e0 2df0410: e8 00 00 00 00 call 2df0415 2df0411: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 00e5 2df0415: 44 89 f3 mov %r14d,%ebx 00e8 2df0418: 31 c0 xor %eax,%eax 00ea 2df041a: 81 e3 ff 03 00 00 and $0x3ff,%ebx 00f0 2df0420: 48 89 45 d0 mov %rax,-0x30(%rbp) 00f4 2df0424: 48 8b 45 c8 mov -0x38(%rbp),%rax 00f8 2df0428: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 00fd 2df042d: 4c 8b 7d b0 mov -0x50(%rbp),%r15 0101 2df0431: 74 08 je 2df043b 0103 2df0433: 4c 89 ff mov %r15,%rdi 0106 2df0436: e8 00 00 00 00 call 2df043b 2df0437: R_X86_64_PLT32 __asan_report_load8_noabort-0x4 010b 2df043b: 45 0f b6 ed movzbl %r13b,%r13d 010f 2df043f: 41 c1 e5 02 shl $0x2,%r13d 0113 2df0443: 4d 03 2f add (%r15),%r13 0116 2df0446: 49 bf 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r15 0120 2df0450: 4c 89 e8 mov %r13,%rax 0123 2df0453: 48 c1 e8 03 shr $0x3,%rax 0127 2df0457: 42 8a 04 38 mov (%rax,%r15,1),%al 012b 2df045b: 84 c0 test %al,%al 012d 2df045d: 75 55 jne 2df04b4 012f 2df045f: 44 89 e0 mov %r12d,%eax 0132 2df0462: 48 8b 4d d0 mov -0x30(%rbp),%rcx 0136 2df0466: c1 e0 0a shl $0xa,%eax 0139 2df0469: 01 d9 add %ebx,%ecx 013b 2df046b: 09 c1 or %eax,%ecx 013d 2df046d: 48 8b 45 c0 mov -0x40(%rbp),%rax 0141 2df0471: 81 e1 ff 3f 00 00 and $0x3fff,%ecx 0147 2df0477: 41 89 4d 00 mov %ecx,0x0(%r13) 014b 2df047b: 42 8a 04 38 mov (%rax,%r15,1),%al 014f 2df047f: 4c 8b 7d b8 mov -0x48(%rbp),%r15 0153 2df0483: 84 c0 test %al,%al 0155 2df0485: 75 44 jne 2df04cb 0157 2df0487: 45 8a 2f mov (%r15),%r13b 015a 2df048a: 49 29 de sub %rbx,%r14 015d 2df048d: 41 fe c5 inc %r13b 0160 2df0490: 4d 85 f6 test %r14,%r14 0163 2df0493: 45 88 2f mov %r13b,(%r15) 0166 2df0496: 7e 66 jle 2df04fe 0168 2df0498: e8 00 00 00 00 call 2df049d 2df0499: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 016d 2df049d: e9 02 ff ff ff jmp 2df03a4 0172 2df04a2: e8 00 00 00 00 call 2df04a7 2df04a3: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 0177 2df04a7: 31 db xor %ebx,%ebx 0179 2df04a9: 45 31 e4 xor %r12d,%r12d 017c 2df04ac: 45 31 f6 xor %r14d,%r14d 017f 2df04af: e9 70 ff ff ff jmp 2df0424 0184 2df04b4: 44 89 e9 mov %r13d,%ecx 0187 2df04b7: 80 e1 07 and $0x7,%cl 018a 2df04ba: 80 c1 03 add $0x3,%cl 018d 2df04bd: 38 c1 cmp %al,%cl 018f 2df04bf: 7c 9e jl 2df045f 0191 2df04c1: 4c 89 ef mov %r13,%rdi 0194 2df04c4: e8 00 00 00 00 call 2df04c9 2df04c5: R_X86_64_PLT32 __asan_report_store4_noabort-0x4 0199 2df04c9: eb 94 jmp 2df045f 019b 2df04cb: 44 89 f9 mov %r15d,%ecx 019e 2df04ce: 80 e1 07 and $0x7,%cl 01a1 2df04d1: 38 c1 cmp %al,%cl 01a3 2df04d3: 7c b2 jl 2df0487 01a5 2df04d5: 4c 89 ff mov %r15,%rdi 01a8 2df04d8: e8 00 00 00 00 call 2df04dd 2df04d9: R_X86_64_PLT32 __asan_report_load1_noabort-0x4 01ad 2df04dd: eb a8 jmp 2df0487 01af 2df04df: e8 00 00 00 00 call 2df04e4 2df04e0: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 01b4 2df04e4: eb 1d jmp 2df0503 01b6 2df04e6: e8 00 00 00 00 call 2df04eb 2df04e7: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 01bb 2df04eb: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 2df04ee: R_X86_64_32S .rodata+0x1262640 01c2 2df04f2: e8 00 00 00 00 call 2df04f7 2df04f3: R_X86_64_PLT32 __drm_err-0x4 01c7 2df04f7: b8 ea ff ff ff mov $0xffffffea,%eax 01cc 2df04fc: eb 07 jmp 2df0505 01ce 2df04fe: e8 00 00 00 00 call 2df0503 2df04ff: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4 01d3 2df0503: 31 c0 xor %eax,%eax 01d5 2df0505: 48 8d 64 24 28 lea 0x28(%rsp),%rsp 01da 2df050a: 5b pop %rbx 01db 2df050b: 41 5c pop %r12 01dd 2df050d: 41 5d pop %r13 01df 2df050f: 41 5e pop %r14 01e1 2df0511: 41 5f pop %r15 01e3 2df0513: 5d pop %rbp 01e4 2df0514: c3 ret 01e5 2df0515: cc int3 01e6 2df0516: 44 89 f9 mov %r15d,%ecx 01e9 2df0519: 80 e1 07 and $0x7,%cl 01ec 2df051c: 38 c1 cmp %al,%cl 01ee 2df051e: 0f 8c 65 fe ff ff jl 2df0389 01f4 2df0524: 4c 89 ff mov %r15,%rdi 01f7 2df0527: e8 00 00 00 00 call 2df052c 2df0528: R_X86_64_PLT32 __asan_report_load1_noabort-0x4 01fc 2df052c: e9 58 fe ff ff jmp 2df0389 0201 2df0531: cc int3 0202 2df0532: cc int3 0203 2df0533: cc int3 0204 2df0534: cc int3 0205 2df0535: cc int3 0206 2df0536: cc int3 0207 2df0537: cc int3 0208 2df0538: cc int3 0209 2df0539: cc int3 020a 2df053a: cc int3 020b 2df053b: cc int3 020c 2df053c: cc int3 020d 2df053d: cc int3 020e 2df053e: cc int3 020f 2df053f: cc int3 -- 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