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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-10 fails to compile C-embedded assembly with SSE and AVX instructions"
href="https://bugs.llvm.org/show_bug.cgi?id=48197">48197</a>
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<th>Summary</th>
<td>clang-10 fails to compile C-embedded assembly with SSE and AVX instructions
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>10.0
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>FreeBSD
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>yuri@tsoft.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>The attached testcases test_sse.cpp and test_avx.cpp fail on FreeBSD 12.2 with
clang-10:
<span class="quote">> [yuri@yv /tmp/llvm-asm-failure]$ c++ -O2 -fPIC -o test_sse.gcc.o -msse -c test_sse.cpp
> test_sse.cpp:9:39: error: expected relocatable expression
> "movups 0x00 + %[xs], %%xmm0\n\t"
> ^
> <inline asm>:2:2: note: instantiated into assembly here
> movups %xmm0, 0x00 + (%rax)
> ^
> 1 error generated.
> [yuri@yv /tmp/llvm-asm-failure]$ c++ -O2 -fPIC -o test_sse.gcc.o -msse -c test_avx.cpp
> test_avx.cpp:9:40: error: expected relocatable expression
> "vmovups 0x00 + %[xs], %%ymm0\n\t"
> ^
> <inline asm>:2:2: note: instantiated into assembly here
> vmovups %ymm0, 0x00 + (%rax)
> ^
> 1 error generated.</span >
Originally spotted by the author of LSP-plugins Vladimir Sadovnikov:
<a href="https://github.com/sadko4u/lsp-plugins/issues/154#issuecomment-728394467">https://github.com/sadko4u/lsp-plugins/issues/154#issuecomment-728394467</a></pre>
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