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/* VSETVL pass def for RISC-V 'V' Extension for GNU compiler.
Copyright (C) 2023-2023 Free Software Foundation, Inc.
Contributed by Juzhe Zhong (juzhe.zhong@rivai.ai), RiVAI Technologies Ltd.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or(at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY, WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* DEF_XXX_RULE (prev_demand, next_demand, fused_demand, compatible_p,
available_p, fuse)
prev_demand: the prev vector insn's sew_lmul_type
next_demand: the next vector insn's sew_lmul_type
fused_demand: if them are compatible, change prev_info demand to the
fused_demand after fuse prev_info and next_info
compatible_p: check if prev_demand and next_demand are compatible
available_p: check if prev_demand is available for next_demand
fuse: if them are compatible, how to modify prev_info */
#ifndef DEF_SEW_LMUL_RULE
#define DEF_SEW_LMUL_RULE(prev_demand, next_demand, fused_demand, \
compatible_p, available_p, fuse)
#endif
#ifndef DEF_POLICY_RULE
#define DEF_POLICY_RULE(prev_demand, next_demand, fused_demand, compatible_p, \
available_p, fuse)
#endif
#ifndef DEF_AVL_RULE
#define DEF_AVL_RULE(prev_demand, next_demand, fused_demand, compatible_p, \
available_p, fuse)
#endif
/* Define SEW and LMUL rules. */
DEF_SEW_LMUL_RULE (sew_lmul, sew_lmul, sew_lmul, sew_lmul_eq_p, sew_lmul_eq_p,
nop)
DEF_SEW_LMUL_RULE (sew_lmul, ratio_only, sew_lmul, ratio_eq_p, ratio_eq_p, nop)
DEF_SEW_LMUL_RULE (sew_lmul, sew_only, sew_lmul, sew_eq_p, sew_eq_p, nop)
DEF_SEW_LMUL_RULE (sew_lmul, ge_sew, sew_lmul,
sew_ge_and_prev_sew_le_next_max_sew_p,
sew_ge_and_prev_sew_le_next_max_sew_p, nop)
DEF_SEW_LMUL_RULE (
sew_lmul, ratio_and_ge_sew, sew_lmul,
sew_ge_and_prev_sew_le_next_max_sew_and_next_ratio_valid_for_prev_sew_p,
sew_ge_and_prev_sew_le_next_max_sew_and_next_ratio_valid_for_prev_sew_p, nop)
DEF_SEW_LMUL_RULE (ratio_only, sew_lmul, sew_lmul, ratio_eq_p, always_false,
use_next_sew_lmul)
/* use_next_sew_lmul for testcase no change. */
DEF_SEW_LMUL_RULE (ratio_only, ratio_only, ratio_only, ratio_eq_p, ratio_eq_p,
use_next_sew_lmul)
DEF_SEW_LMUL_RULE (ratio_only, sew_only, sew_lmul,
prev_ratio_valid_for_next_sew_p, always_false,
use_next_sew_with_prev_ratio)
DEF_SEW_LMUL_RULE (ratio_only, ge_sew, ratio_and_ge_sew,
prev_ratio_valid_for_next_sew_p, always_false,
use_next_sew_with_prev_ratio)
DEF_SEW_LMUL_RULE (ratio_only, ratio_and_ge_sew, ratio_and_ge_sew, ratio_eq_p,
always_false, use_next_sew_lmul)
DEF_SEW_LMUL_RULE (sew_only, sew_lmul, sew_lmul, sew_eq_p, always_false,
use_next_sew_lmul)
DEF_SEW_LMUL_RULE (sew_only, ratio_only, sew_lmul,
next_ratio_valid_for_prev_sew_p, always_false,
modify_lmul_with_next_ratio)
DEF_SEW_LMUL_RULE (sew_only, sew_only, sew_only, sew_eq_p, sew_eq_p, nop)
DEF_SEW_LMUL_RULE (sew_only, ge_sew, sew_only,
sew_ge_and_prev_sew_le_next_max_sew_p, sew_ge_p, nop)
DEF_SEW_LMUL_RULE (
sew_only, ratio_and_ge_sew, sew_lmul,
sew_ge_and_prev_sew_le_next_max_sew_and_next_ratio_valid_for_prev_sew_p,
always_false, modify_lmul_with_next_ratio)
DEF_SEW_LMUL_RULE (ge_sew, sew_lmul, sew_lmul,
sew_le_and_next_sew_le_prev_max_sew_p, always_false,
use_next_sew_lmul)
DEF_SEW_LMUL_RULE (ge_sew, ratio_only, ratio_and_ge_sew,
next_ratio_valid_for_prev_sew_p, always_false,
modify_lmul_with_next_ratio)
DEF_SEW_LMUL_RULE (ge_sew, sew_only, sew_only,
sew_le_and_next_sew_le_prev_max_sew_p, always_false,
use_next_sew)
DEF_SEW_LMUL_RULE (ge_sew, ge_sew, ge_sew, max_sew_overlap_p, sew_ge_p,
use_max_sew)
DEF_SEW_LMUL_RULE (ge_sew, ratio_and_ge_sew, ratio_and_ge_sew,
max_sew_overlap_and_next_ratio_valid_for_prev_sew_p,
always_false, use_max_sew_and_lmul_with_next_ratio)
DEF_SEW_LMUL_RULE (ratio_and_ge_sew, sew_lmul, sew_lmul,
sew_le_and_next_sew_le_prev_max_sew_and_ratio_eq_p,
always_false, use_next_sew_lmul)
DEF_SEW_LMUL_RULE (ratio_and_ge_sew, ratio_only, ratio_and_ge_sew, ratio_eq_p,
ratio_eq_p, use_max_sew_and_lmul_with_prev_ratio)
DEF_SEW_LMUL_RULE (
ratio_and_ge_sew, sew_only, sew_only,
sew_le_and_next_sew_le_prev_max_sew_and_prev_ratio_valid_for_next_sew_p,
always_false, use_next_sew_with_prev_ratio)
DEF_SEW_LMUL_RULE (ratio_and_ge_sew, ge_sew, ratio_and_ge_sew,
max_sew_overlap_and_prev_ratio_valid_for_next_sew_p,
sew_ge_p, use_max_sew_and_lmul_with_prev_ratio)
DEF_SEW_LMUL_RULE (ratio_and_ge_sew, ratio_and_ge_sew, ratio_and_ge_sew,
max_sew_overlap_and_ratio_eq_p, sew_ge_and_ratio_eq_p,
use_max_sew_and_lmul_with_prev_ratio)
/* Define TAIL and MASK compatible and merge rules. */
DEF_POLICY_RULE (tail_mask_policy, tail_mask_policy, tail_mask_policy,
tail_mask_policy_eq_p, tail_mask_policy_eq_p,
use_tail_mask_policy)
DEF_POLICY_RULE (tail_mask_policy, tail_policy_only, tail_mask_policy,
tail_policy_eq_p, tail_policy_eq_p, use_tail_policy)
DEF_POLICY_RULE (tail_mask_policy, mask_policy_only, tail_mask_policy,
mask_policy_eq_p, mask_policy_eq_p, use_mask_policy)
DEF_POLICY_RULE (tail_mask_policy, ignore_policy, tail_mask_policy, always_true,
always_true, nop)
DEF_POLICY_RULE (tail_policy_only, tail_mask_policy, tail_mask_policy,
tail_policy_eq_p, always_false, use_mask_policy)
DEF_POLICY_RULE (tail_policy_only, tail_policy_only, tail_policy_only,
tail_policy_eq_p, tail_policy_eq_p, use_tail_policy)
DEF_POLICY_RULE (tail_policy_only, mask_policy_only, tail_mask_policy,
always_true, always_false, use_mask_policy)
DEF_POLICY_RULE (tail_policy_only, ignore_policy, tail_policy_only, always_true,
always_true, nop)
DEF_POLICY_RULE (mask_policy_only, tail_mask_policy, tail_mask_policy,
mask_policy_eq_p, always_false, use_tail_policy)
DEF_POLICY_RULE (mask_policy_only, tail_policy_only, tail_mask_policy,
always_true, always_false, use_tail_policy)
DEF_POLICY_RULE (mask_policy_only, mask_policy_only, mask_policy_only,
mask_policy_eq_p, mask_policy_eq_p, use_mask_policy)
DEF_POLICY_RULE (mask_policy_only, ignore_policy, mask_policy_only, always_true,
always_true, nop)
DEF_POLICY_RULE (ignore_policy, tail_mask_policy, tail_mask_policy, always_true,
always_false, use_tail_mask_policy)
DEF_POLICY_RULE (ignore_policy, tail_policy_only, tail_policy_only, always_true,
always_false, use_tail_policy)
DEF_POLICY_RULE (ignore_policy, mask_policy_only, mask_policy_only, always_true,
always_false, use_mask_policy)
DEF_POLICY_RULE (ignore_policy, ignore_policy, ignore_policy, always_true,
always_true, nop)
/* Define AVL compatible and merge rules. */
DEF_AVL_RULE (avl, avl, avl, avl_equal_p, avl_equal_p, nop)
DEF_AVL_RULE (avl, non_zero_avl, avl, avl_equal_or_prev_avl_non_zero_p,
avl_equal_or_prev_avl_non_zero_p, nop)
DEF_AVL_RULE (avl, ignore_avl, avl, always_true, always_true, nop)
DEF_AVL_RULE (non_zero_avl, avl, avl,
avl_equal_or_next_avl_non_zero_and_can_use_next_avl_p,
always_false, use_next_avl_when_not_equal)
DEF_AVL_RULE (non_zero_avl, non_zero_avl, non_zero_avl, always_true,
always_true, nop)
DEF_AVL_RULE (non_zero_avl, ignore_avl, non_zero_avl, always_true, always_true,
nop)
DEF_AVL_RULE (ignore_avl, avl, avl, can_use_next_avl_p, always_false,
use_next_avl)
DEF_AVL_RULE (ignore_avl, non_zero_avl, non_zero_avl, can_use_next_avl_p,
always_false, use_next_avl)
DEF_AVL_RULE (ignore_avl, ignore_avl, ignore_avl, always_true, always_true, nop)
#undef DEF_SEW_LMUL_RULE
#undef DEF_POLICY_RULE
#undef DEF_AVL_RULE
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