* builtins.c (expand_builtin_copysign): New.
(expand_builtin): Call it.
* genopinit.c (optabs): Add copysign_optab.
* optabs.c (init_optabs): Initialize it.
(expand_copysign): New.
* optabs.h (OTI_copysign, copysign_optab): New.
(expand_copysign): Declare.
* config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
(copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
* config/i386/i386.c (ix86_build_signbit_mask): Split from ...
(ix86_expand_fp_absneg_operator): ... here.
(ix86_split_copysign): New.
* config/i386/i386-protos.h: Update.
* config/i386/i386.md (UNSPEC_COPYSIGN): New.
(copysignsf3, copysigndf3): New.
* config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
(copysignsf3, ncopysignsf3): New.
(copysigndf3, ncopysigndf3): New.
(copysignxf3, ncopysignxf3): New.
* config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94357
138bc75d-0d04-0410-961f-
82ee72b054a4