<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - printf with floating point arguments using -mno-sse2 flag is crashing"
href="https://bugs.llvm.org/show_bug.cgi?id=33004">33004</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>printf with floating point arguments using -mno-sse2 flag is crashing
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ziv.izhar@intel.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>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</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>