* [linux-next:master 2099/2429] fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
@ 2023-11-22 18:08 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-11-22 18:08 UTC (permalink / raw)
To: Kent Overstreet; +Cc: llvm, oe-kbuild-all, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 288736c822de7fd3b69be317c11eaa8dfb78bf6f
commit: 2163db2aabf55033fca1637ff633f9c1f5fc8b31 [2099/2429] bcachefs: Inline btree write buffer sort
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231123/202311230137.gpCHK9z4-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231123/202311230137.gpCHK9z4-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311230137.gpCHK9z4-lkp@intel.com/
All errors (new ones prefixed by >>):
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:35: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:51: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:67: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:87: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:107: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:128: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%rdx];sub rax, [%rcx];mov rax, [%rdx + 8];sbb rax, [%rcx + 8];mov rax, [%rdx + 16];sbb rax, [%rcx + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:35: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:51: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:67: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:87: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:107: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
>> fs/bcachefs/btree_write_buffer.c:32:6: error: unknown token in expression
asm(".intel_syntax noprefix;"
^
<inline asm>:1:128: note: instantiated into assembly here
.intel_syntax noprefix;mov rax, [%r14];sub rax, [%r15];mov rax, [%r14 + 8];sbb rax, [%r15 + 8];mov rax, [%r14 + 16];sbb rax, [%r15 + 16];.att_syntax prefix;
^
12 errors generated.
vim +32 fs/bcachefs/btree_write_buffer.c
26
27 static inline bool wb_key_cmp(const struct wb_key_ref *l, const struct wb_key_ref *r)
28 {
29 #ifdef CONFIG_X86_64
30 int cmp;
31
> 32 asm(".intel_syntax noprefix;"
33 "mov rax, [%[l]];"
34 "sub rax, [%[r]];"
35 "mov rax, [%[l] + 8];"
36 "sbb rax, [%[r] + 8];"
37 "mov rax, [%[l] + 16];"
38 "sbb rax, [%[r] + 16];"
39 ".att_syntax prefix;"
40 : "=@ccae" (cmp)
41 : [l] "r" (l), [r] "r" (r)
42 : "rax", "cc");
43
44 EBUG_ON(cmp != __wb_key_cmp(l, r));
45 return cmp;
46 #else
47 return __wb_key_cmp(l, r);
48 #endif
49 }
50
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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