[MC] SSE2 : valid reg-to-reg MOVDQU rejected by the x86 backend

[llvmbot]

Bugzilla Link	8946
Resolution	FIXED
Resolved on	Jan 11, 2011 11:05
Version	trunk
OS	Linux
Attachments	test case, x86 backend hack
Reporter	LLVM Bugzilla Contributor

Extended Description

Attached code is valid and compiles fine with gcc but with clang, I get

[jai@outrax tmp]$ ~/llvm-build/Debug+Asserts/bin/clang -msse2 -c sse2_test.c
sse2_test.c:3:13: error: invalid operand for instruction
asm("movdqu %%xmm0, %%xmm1\n" : );
^
:1:2: note: instantiated into assembly here
movdqu %xmm0, %xmm1
^
1 error generated.

[lattner]

Nice catch, fixed in r123242, thanks!