http://llvm.org/bugs/show_bug.cgi?id=8946
Summary: SSE2 : valid reg-to-reg MOVDQU rejected by the x86
backend
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=5977)
--> (http://llvm.org/bugs/attachment.cgi?id=5977)
test case
Attached code is valid and compiles fine with gcc but with clang, I get
[...@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" : );
^
<inline asm>:1:2: note: instantiated into assembly here
movdqu %xmm0, %xmm1
^
1 error generated.
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