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Thanks, Mats. Actually, it is able to generate the assembly now if I use the follow command: clang++ -O3 -S -mllvm --x86-asm-syntax=intel -mno-sse -o test_nosee.s test.cpp However, when I use g++ -O3 -o test_nosse test_nosse.s -lm to generate the executable, if gives me the following errors: Error: too many memory references for `sub' Error: too many memory references for `mov' Error: too many memory references for `mov' Error: too many me...

Hello, I want to disable LLVM to use any SIMD registers like sse and avx. I tried -mno-sse and -mno-avx on my Core i7 machine. It seems that the generated assembly still uses xmm registers. Is there any way for LLVM to only use scalar registers? Thanks, Zhi -------------- next part -------------- An HTML attachment was scrubbed... URL: