[llvm-bugs] [Bug 34226] New: prefetch instruction is not accepted in inline asm, sparc

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34226

            Bug ID: 34226
           Summary: prefetch instruction is not accepted in inline asm,
                    sparc
           Product: new-bugs
           Version: trunk
          Hardware: Sun
                OS: Solaris
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: alexander.kirov at oracle.com
                CC: llvm-bugs at lists.llvm.org

Consider the code sample:

] cat prefetch.cpp 
void _Prefetch_read (void *loc, int interval) {
    __asm__ volatile
      ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
  }

int main() {
        int * i = new int[10];
        _Prefetch_read(i, 5);
        return 0;
}

] clang++ prefetch.cpp             
prefetch.cpp:3:8: error: invalid instruction mnemonic
      ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
       ^
<inline asm>:1:2: note: instantiated into assembly here
        prefetch [%i0+%i1], 0
        ^
1 error generated.

] g++ prefetch.cpp 
] a.out 

] CC prefetch.cpp
] a.out

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