re PR target/36992 (Very stange code for _mm_move_epi64)
PR target/36992
* config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
alternative 0 of operand 1.
(*vec_concatv2di_rex64_sse): Ditto.
(*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
of operand 1.
(*sse2_storeq_rex64): Penalize allocation of "r" registers.
* config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
(*movv2sf_internal_rex64): Ditto.
testsuite/ChangeLog:
PR target/36992
* gcc.target/i386/pr36992-1.c: New test.
* gcc.target/i386/pr36992-2.c: Ditto.
From-SVN: r138564