[LLVMdev] Help with gcc SSE intrinsics
David Greene
dag at cray.com
Fri Oct 9 13:26:52 PDT 2009
Ok, I've been looking at this for hours and can't figure it out. I know I'm
missing something obvious.
I've been spending the past few days beefing up the vector support in the C
Backend. This should help us debug vector code that's miscompiled. But
gcc doesn't like this fragment:
((double *)(&llvm_cbe_r1147))[0u] =
(((llvm_cbe_r1146__BITCAST_TEMPORARY.Int64 = 4ull,
llvm_cbe_r1146__BITCAST_TEMPORARY .Double)));
llvm_cbe_r1148 = __builtin_ia32_movddup(llvm_cbe_r1147);
prog.linked.c:10393: error: incompatible types when assigning to type 'double
__vector__'
from type 'int'
double __attribute__((vector_size(16 ))) llvm_cbe_r1147;
double __attribute__((vector_size(16 ))) llvm_cbe_r1148;
Any ideas what gcc is complaining about? I'm running gcc with -msse3.
-Dave
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