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360139876e
* config/alpha/alpha.c (code_for_builtin): Replace special-case
builtin codes with ctzdi2, clzdi2, popcountdi2.
(struct alpha_builtin_def): Add is_const.
(zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
(alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
(alpha_init_builtins): Init them. Set nothrow and const attributes
on builtins.
(alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
alpha_fold_vector_minmax, alpha_fold_builtin_perr,
alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
(TARGET_FOLD_BUILTIN): New.
* config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
(UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
(ffsdi2): Use ctz.
(cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
From-SVN: r96098
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