/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2021 Loongson Technology Corporation Limited */ static bool gen_rr(DisasContext *ctx, arg_rr *a, DisasExtend src_ext, DisasExtend dst_ext, void (*func)(TCGv, TCGv)) { TCGv dest = gpr_dst(ctx, a->rd, dst_ext); TCGv src1 = gpr_src(ctx, a->rj, src_ext); func(dest, src1); gen_set_gpr(a->rd, dest, dst_ext); return true; } static void gen_bytepick_w(TCGv dest, TCGv src1, TCGv src2, target_long sa) { tcg_gen_concat_tl_i64(dest, src1, src2); tcg_gen_sextract_i64(dest, dest, (32 - sa * 8), 32); } static void gen_bytepick_d(TCGv dest, TCGv src1, TCGv src2, target_long sa) { tcg_gen_extract2_i64(dest, src1, src2, (64 - sa * 8)); } static bool gen_bstrins(DisasContext *ctx, arg_rr_ms_ls *a, DisasExtend dst_ext) { TCGv src1 = gpr_src(ctx, a->rd, EXT_NONE); TCGv src2 = gpr_src(ctx, a->rj, EXT_NONE); TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); if (a->ls > a->ms) { return false; } tcg_gen_deposit_tl(dest, src1, src2, a->ls, a->ms - a->ls + 1); gen_set_gpr(a->rd, dest, dst_ext); return true; } static bool gen_bstrpick(DisasContext *ctx, arg_rr_ms_ls *a, DisasExtend dst_ext) { TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); if (a->ls > a->ms) { return false; } tcg_gen_extract_tl(dest, src1, a->ls, a->ms - a->ls + 1); gen_set_gpr(a->rd, dest, dst_ext); return true; } static void gen_clz_w(TCGv dest, TCGv src1) { tcg_gen_clzi_tl(dest, src1, TARGET_LONG_BITS); tcg_gen_subi_tl(dest, dest, TARGET_LONG_BITS - 32); } static void gen_clo_w(TCGv dest, TCGv src1) { tcg_gen_not_tl(dest, src1); tcg_gen_ext32u_tl(dest, dest); gen_clz_w(dest, dest); } static void gen_ctz_w(TCGv dest, TCGv src1) { tcg_gen_ori_tl(dest, src1, (target_ulong)MAKE_64BIT_MASK(32, 32)); tcg_gen_ctzi_tl(dest, dest, TARGET_LONG_BITS); } static void gen_cto_w(TCGv dest, TCGv src1) { tcg_gen_not_tl(dest, src1); gen_ctz_w(dest, dest); } static void gen_clz_d(TCGv dest, TCGv src1) { tcg_gen_clzi_i64(dest, src1, TARGET_LONG_BITS); } static void gen_clo_d(TCGv dest, TCGv src1) { tcg_gen_not_tl(dest, src1); gen_clz_d(dest, dest); } static void gen_ctz_d(TCGv dest, TCGv src1) { tcg_gen_ctzi_tl(dest, src1, TARGET_LONG_BITS); } static void gen_cto_d(TCGv dest, TCGv src1) { tcg_gen_not_tl(dest, src1); gen_ctz_d(dest, dest); } static void gen_revb_2w(TCGv dest, TCGv src1) { tcg_gen_bswap64_i64(dest, src1); tcg_gen_rotri_i64(dest, dest, 32); } static void gen_revb_2h(TCGv dest, TCGv src1) { TCGv mask = tcg_constant_tl(0x00FF00FF); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, src1, 8); tcg_gen_and_tl(t0, t0, mask); tcg_gen_and_tl(t1, src1, mask); tcg_gen_shli_tl(t1, t1, 8); tcg_gen_or_tl(dest, t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); } static void gen_revb_4h(TCGv dest, TCGv src1) { TCGv mask = tcg_constant_tl(0x00FF00FF00FF00FFULL); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, src1, 8); tcg_gen_and_tl(t0, t0, mask); tcg_gen_and_tl(t1, src1, mask); tcg_gen_shli_tl(t1, t1, 8); tcg_gen_or_tl(dest, t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); } static void gen_revh_2w(TCGv dest, TCGv src1) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv_i64 mask = tcg_constant_i64(0x0000ffff0000ffffull); tcg_gen_shri_i64(t0, src1, 16); tcg_gen_and_i64(t1, src1, mask); tcg_gen_and_i64(t0, t0, mask); tcg_gen_shli_i64(t1, t1, 16); tcg_gen_or_i64(dest, t1, t0); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); } static void gen_revh_d(TCGv dest, TCGv src1) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv mask = tcg_constant_tl(0x0000FFFF0000FFFFULL); tcg_gen_shri_tl(t1, src1, 16); tcg_gen_and_tl(t1, t1, mask); tcg_gen_and_tl(t0, src1, mask); tcg_gen_shli_tl(t0, t0, 16); tcg_gen_or_tl(t0, t0, t1); tcg_gen_rotri_tl(dest, t0, 32); tcg_temp_free(t0); tcg_temp_free(t1); } static void gen_maskeqz(TCGv dest, TCGv src1, TCGv src2) { TCGv zero = tcg_constant_tl(0); tcg_gen_movcond_tl(TCG_COND_EQ, dest, src2, zero, zero, src1); } static void gen_masknez(TCGv dest, TCGv src1, TCGv src2) { TCGv zero = tcg_constant_tl(0); tcg_gen_movcond_tl(TCG_COND_NE, dest, src2, zero, zero, src1); } TRANS(ext_w_h, gen_rr, EXT_NONE, EXT_NONE, tcg_gen_ext16s_tl) TRANS(ext_w_b, gen_rr, EXT_NONE, EXT_NONE, tcg_gen_ext8s_tl) TRANS(clo_w, gen_rr, EXT_NONE, EXT_NONE, gen_clo_w) TRANS(clz_w, gen_rr, EXT_ZERO, EXT_NONE, gen_clz_w) TRANS(cto_w, gen_rr, EXT_NONE, EXT_NONE, gen_cto_w) TRANS(ctz_w, gen_rr, EXT_NONE, EXT_NONE, gen_ctz_w) TRANS(clo_d, gen_rr, EXT_NONE, EXT_NONE, gen_clo_d) TRANS(clz_d, gen_rr, EXT_NONE, EXT_NONE, gen_clz_d) TRANS(cto_d, gen_rr, EXT_NONE, EXT_NONE, gen_cto_d) TRANS(ctz_d, gen_rr, EXT_NONE, EXT_NONE, gen_ctz_d) TRANS(revb_2h, gen_rr, EXT_NONE, EXT_SIGN, gen_revb_2h) TRANS(revb_4h, gen_rr, EXT_NONE, EXT_NONE, gen_revb_4h) TRANS(revb_2w, gen_rr, EXT_NONE, EXT_NONE, gen_revb_2w) TRANS(revb_d, gen_rr, EXT_NONE, EXT_NONE, tcg_gen_bswap64_i64) TRANS(revh_2w, gen_rr, EXT_NONE, EXT_NONE, gen_revh_2w) TRANS(revh_d, gen_rr, EXT_NONE, EXT_NONE, gen_revh_d) TRANS(bitrev_4b, gen_rr, EXT_ZERO, EXT_SIGN, gen_helper_bitswap) TRANS(bitrev_8b, gen_rr, EXT_NONE, EXT_NONE, gen_helper_bitswap) TRANS(bitrev_w, gen_rr, EXT_NONE, EXT_SIGN, gen_helper_bitrev_w) TRANS(bitrev_d, gen_rr, EXT_NONE, EXT_NONE, gen_helper_bitrev_d) TRANS(maskeqz, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_maskeqz) TRANS(masknez, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_masknez) TRANS(bytepick_w, gen_rrr_sa, EXT_NONE, EXT_NONE, gen_bytepick_w) TRANS(bytepick_d, gen_rrr_sa, EXT_NONE, EXT_NONE, gen_bytepick_d) TRANS(bstrins_w, gen_bstrins, EXT_SIGN) TRANS(bstrins_d, gen_bstrins, EXT_NONE) TRANS(bstrpick_w, gen_bstrpick, EXT_SIGN) TRANS(bstrpick_d, gen_bstrpick, EXT_NONE)