i386.h (EXT_REX_SSE_REG_P): New.
2015-04-27 Ilya Tocar <ilya.tocar@intel.com> * config/i386/i386.h (EXT_REX_SSE_REG_P): New. * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Use "v" constraint. (*movxi_internal_avx512f): Ditto. (define_split): Check for xmm16+, when splitting scalar float_extend. (*extendsfdf2_mixed): Use "v" constraint. (define_split): Check for xmm16+, when splitting scalar float_truncate. (*truncdfsf_fast_sse): Use "v" constraint. (fix_trunc<MODEF:mode><SWI48:mode>_sse): Ditto. (*float<SWI48:mode><MODEF:mode>2_sse): Ditto. (define_peephole2): Check for xmm16+, when converting scalar float_truncate. (define_peephole2): Check for xmm16+, when converting scalar float_extend. (*fop_<mode>_comm_mixed): Use "v" constraint. (*fop_<mode>_comm_sse): Ditto. (*fop_<mode>_1_mixed): Ditto. (*sqrt<mode>2_sse): Ditto. (*ieee_s<ieee_maxmin><mode>3): Ditto. From-SVN: r222470
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