================
@@ -2011,8 +2011,9 @@ const StringMap<bool> sys::getHostCPUFeatures() {
const StringMap<bool> sys::getHostCPUFeatures() {
unsigned long hwcap = getauxval(AT_HWCAP);
bool HasFPU = hwcap & (1UL << 3); // HWCAP_LOONGARCH_FPU
- uint32_t cpucfg2 = 0x2;
+ const uint32_t cpucfg2 = 0x2, cpucfg3 = 0x3;
----------------
dtcxzyw wrote:
I encountered a compilation error with gcc 13.2:
```
[1/371] Building CXX object
lib/TargetParser/CMakeFiles/LLVMTargetParser.dir/Host.cpp.o
FAILED: lib/TargetParser/CMakeFiles/LLVMTargetParser.dir/Host.cpp.o
ccache /usr/bin/g++ -DGTEST_HAS_RTTI=0 -DLLVM_EXPORTS -D_DEBUG
-D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-I/home/dtcxzyw/llvm-build/lib/TargetParser
-I/home/dtcxzyw/llvm-project/llvm/lib/TargetParser
-I/home/dtcxzyw/llvm-build/include -I/home/dtcxzyw/llvm-project/llvm/include
-fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time
-fno-lifetime-dse -w -fdiagnostics-color -ffunction-sections -fdata-sections
-O3 -DNDEBUG -std=c++17 -fPIC -fno-exceptions -funwind-tables -fno-rtti
-UNDEBUG -MD -MT lib/TargetParser/CMakeFiles/LLVMTargetParser.dir/Host.cpp.o
-MF lib/TargetParser/CMakeFiles/LLVMTargetParser.dir/Host.cpp.o.d -o
lib/TargetParser/CMakeFiles/LLVMTargetParser.dir/Host.cpp.o -c
/home/dtcxzyw/llvm-project/llvm/lib/TargetParser/Host.cpp
/home/dtcxzyw/llvm-project/llvm/lib/TargetParser/Host.cpp: In function ‘const
llvm::StringMap<bool, llvm::MallocAllocator> llvm::sys::getHostCPUFeatures()’:
/home/dtcxzyw/llvm-project/llvm/lib/TargetParser/Host.cpp:2015:3: error:
read-only variable ‘cpucfg2’ used as ‘asm’ output
2015 | __asm__("cpucfg %[cpucfg2], %[cpucfg2]\n\t" : [cpucfg2]
"+r"(cpucfg2));
| ^~~~~~~
/home/dtcxzyw/llvm-project/llvm/lib/TargetParser/Host.cpp:2016:3: error:
read-only variable ‘cpucfg3’ used as ‘asm’ output
2016 | __asm__("cpucfg %[cpucfg3], %[cpucfg3]\n\t" : [cpucfg3]
"+r"(cpucfg3));
| ^~~~~~~
ninja: build stopped: subcommand failed.
```
https://github.com/llvm/llvm-project/pull/116762
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