PR target/59316
* config/sparc/sparc.h (SPARC_LOW_FE_EXCEPT_VALUES): Define.
* config/sparc/sol2.h (SPARC_LOW_FE_EXCEPT_VALUES): Redefine.
* config/sparc/sparc.c (TARGET_INIT_BUILTINS): Move around.
(TARGET_BUILTIN_DECL): Define.
(TARGET_ATOMIC_ASSIGN_EXPAND_FENV): Likewise.
(sparc32_initialize_trampoline): Adjust call to gen_flush.
(enum sparc_builtins): New enumeral type.
(sparc_builtins): New static array.
(sparc_builtins_icode): Likewise.
(def_builtin): Accept a separate icode and save the result.
(def_builtin_const): Likewise.
(sparc_fpu_init_builtins): New function.
(sparc_vis_init_builtins): Pass the builtin code.
(sparc_init_builtins): Call it if TARGET_FPU.
(sparc_builtin_decl): New function.
(sparc_expand_builtin): Deal with SPARC_BUILTIN_{LD,ST}FSR.
(sparc_handle_vis_mul8x16): Use the builtin code.
(sparc_fold_builtin): Likewise. Deal with SPARC_BUILTIN_{LD,ST}FSR
and SPARC_BUILTIN_PDISTN.
(compound_expr): New helper function.
(sparc_atomic_assign_expand_fenv): New function.
* config/sparc/sparc.md (unspecv): Reorder values, add UNSPECV_LDFSR
and UNSPECV_STFSR.
(flush, flushdi): Merge into single pattern.
(ldfsr): New instruction.
(stfsr): Likewise.
From-SVN: r205735
