The desire is to start re-using some of the fold_* functions while lowering or simplifying operations during tcg_optmize.
Many of these fold_* functions set z_mask, s_mask, and a_mask, which hang around until the end of the tcg_optmize loop and are applied by finish_folding. This disconnect between set and apply is a problem -- we would no longer be applying the masks to the correct opcode. Fix this by making the masks local variables, passed down to be applied immediately to the opcode being processed. r~ Richard Henderson (46): tcg/optimize: Split out finish_bb, finish_ebb tcg/optimize: Copy mask writeback to fold_masks tcg/optimize: Add fold_masks_zsa, fold_masks_zs, fold_masks_z tcg/optimize: Use finish_folding in fold_add, fold_add_vec tcg/optimize: Use finish_folding in fold_addsub2 tcg/optimize: Use fold_masks_zsa in fold_and tcg/optimize: Use fold_masks_zsa in fold_andc tcg/optimize: Use fold_masks_zs in fold_bswap tcg/optimize: Use fold_masks_z in fold_count_zeros tcg/optimize: Use fold_masks_z in fold_ctpop tcg/optimize: Use fold_and and fold_masks_z in fold_deposit tcg/optimize: Use finish_folding in fold_divide tcg/optimize: Use finish_folding in fold_dup, fold_dup2 tcg/optimize: Use fold_masks_zs in fold_eqv tcg/optimize: Use fold_masks_zsa in fold_extract tcg/optimize: Use finish_folding in fold_extract2 tcg/optimize: Use fold_masks_zsa in fold_exts tcg/optimize: Use fold_masks_zsa in fold_extu tcg/optimize: Use fold_masks_zs in fold_movcond tcg/optimize: Use finish_folding in fold_mul* tcg/optimize: Use fold_masks_zs in fold_nand tcg/optimize: Use fold_masks_z in fold_neg_no_const tcg/optimize: Use fold_masks_zs in fold_nor tcg/optimize: Use fold_masks_zs in fold_not tcg/optimize: Use fold_masks_zs in fold_or tcg/optimize: Use fold_masks_zs in fold_orc tcg/optimize: Use fold_masks_zs in fold_qemu_ld tcg/optimize: Return true from fold_qemu_st, fold_tcg_st tcg/optimize: Use finish_folding in fold_remainder tcg/optimize: Distinguish simplification in fold_setcond_zmask tcg/optimize: Use fold_masks_z in fold_setcond tcg/optimize: Use fold_masks_zs in fold_negsetcond tcg/optimize: Use fold_masks_z in fold_setcond2 tcg/optimize: Use finish_folding in fold_cmp_vec tcg/optimize: Use finish_folding in fold_cmpsel_vec tcg/optimize: Use fold_masks_zsa in fold_sextract tcg/optimize: Use fold_masks_zs in fold_shift tcg/optimize: Use finish_folding in fold_sub, fold_sub_vec tcg/optimize: Use fold_masks_zs in fold_tcg_ld tcg/optimize: Use finish_folding in fold_tcg_ld_memcopy tcg/optimize: Use fold_masks_zs in fold_xor tcg/optimize: Use finish_folding in fold_bitsel_vec tcg/optimize: Use finish_folding as default in tcg_optimize tcg/optimize: Remove [zsa]_mask from OptContext tcg/optimize: Move fold_bitsel_vec into alphabetic sort tcg/optimize: Move fold_cmp_vec, fold_cmpsel_vec into alphabetic sort tcg/optimize.c | 597 ++++++++++++++++++++++++++----------------------- 1 file changed, 315 insertions(+), 282 deletions(-) -- 2.43.0
