Displaying 1 result from an estimated 1 matches for "r76726".
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r76729
2009 Jul 23
1
[LLVMdev] Case where VSETCC DAGCombiner hack doesn't work
On Jul 21, 2009, at 11:14 PM, Eli Friedman wrote:
> Testcase (compile with clang >= r76726):
> #include <emmintrin.h>
> __m128i a(__m128 a, __m128 b) { return a==a & b==b; }
>
> CodeGen ends up scalarizing the comparison, which is really bad, and
> AFAIK different from what we did before vsetcc was removed. The ideal
> code is a single cmpordps, although I do...