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f200869abc
2013-10-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/vector.md (vec_realign_load<mode>): Generate vperm
directly to circumvent subtract from splat{31} workaround.
* config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_le): New
prototype.
* config/rs6000/rs6000.c (altivec_expand_vec_perm_le): New.
* config/rs6000/altivec.md (define_c_enum "unspec"): Add
UNSPEC_VPERM_X and UNSPEC_VPERM_UNS_X.
(altivec_vperm_<mode>): Convert to define_insn_and_split to
separate big and little endian logic.
(*altivec_vperm_<mode>_internal): New define_insn.
(altivec_vperm_<mode>_uns): Convert to define_insn_and_split to
separate big and little endian logic.
(*altivec_vperm_<mode>_uns_internal): New define_insn.
(vec_permv16qi): Add little endian logic.
From-SVN: r203457
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