[llvm-bugs] [Bug 33004] New: printf with floating point arguments using -mno-sse2 flag is crashing

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33004

            Bug ID: 33004
           Summary: printf with floating point arguments using -mno-sse2
                    flag is crashing
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: ziv.izhar at intel.com
                CC: llvm-bugs at lists.llvm.org

clang crashes while compiling with the flag -mno-sse2 on linux the following
code:

#include <stdio.h> 
int main()
{
    printf("%f", 2.0);
    return 0;
}

clang -mno-sse2 test.c

output:
clang-4.0:
/export/iusers/ziv/llvm2/llvm/lib/Target/X86/X86FloatingPoint.cpp:303: unsigned
int getFPReg(const llvm::MachineOperand&): Assertion `Reg >= X86::FP0 && Reg <=
X86::FP6 && "Expected FP register!"' failed.
and backtrace

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