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...2siq' vcvttsd2siq %xmm0, %rax ^~~~~~~~~~~ clang can assemble many other .s files with avx instructions. I tried the default clang, clang+llvm 3.1 binary and svn checked out llvm/clang. All same. Have you any idea? Thank you so much! Nobu Nobu Katayama nobu.katayama at ipmu.jp foo.c void foo(int *a, double *b, int n){ int i; for (i=0; i<8*n; i++){ a[i] = b[i]; } } foo_long.c void foo(long *a, double *b, int n){ int i; for (i=0; i<8*n; i++){ a[i] = b[i]; } } diff foo.s foo_long.s 17c17 < leaq 0(,%rax,4), %rdx --- > leaq...

Hi all, Thanks for response. Will this be fixed sometime soon? Is there anything I can do to make it work in my copy of the latest llvm source? Best, Nobu 2012/7/17 jj <h59213 at rtrtr.com>: > 片山 伸彦 <nobu.katayama <at> ipmu.jp> writes: > >> >> Dear llvm developers, >> >> I am trying to run clang assembler to use avx instructions on Mac. >> >> I use gcc 4.7.1 to generate .s files from .c files. I can assemble foo.s by >> >> clang -c -x assembler foo.s >> >...

片山 伸彦 <nobu.katayama <at> ipmu.jp> writes: > > Dear llvm developers, > > I am trying to run clang assembler to use avx instructions on Mac. > > I use gcc 4.7.1 to generate .s files from .c files. I can assemble foo.s by > > clang -c -x assembler foo.s > > to get foo.o but > > clang...

...hing I can do to make it work in my copy of the latest llvm source? Are you sure that vcvttsd2siq %xmm0, %rax is correct and this isn't a gcc bug? Ciao, Duncan. > > Best, > Nobu > > 2012/7/17 jj <h59213 at rtrtr.com>: >> 片山 伸彦 <nobu.katayama <at> ipmu.jp> writes: >> >>> >>> Dear llvm developers, >>> >>> I am trying to run clang assembler to use avx instructions on Mac. >>> >>> I use gcc 4.7.1 to generate .s files from .c files. I can assemble foo.s by >>> >>> clang...