re PR target/19530 (MMX load intrinsic produces SSE superfluous instructions (movlps))

re PR target/19530 (MMX load intrinsic produces SSE superfluous instructions (movlps))

        PR target/19530
        * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
        __builtin_ia32_vec_init_v2si.
        (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
        * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
        (ix86_init_mmx_sse_builtins): Create it.
        (ix86_expand_builtin): Expand it.
        (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
        * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
        (vec_extractv2si_0, vec_extractv2si_1): New.

From-SVN: r93972