1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Copyright (c) 2021 Loongson Technology Corporation Limited 4 */ 5 6static void gen_sll_w(TCGv dest, TCGv src1, TCGv src2) 7{ 8 TCGv t0 = tcg_temp_new(); 9 tcg_gen_andi_tl(t0, src2, 0x1f); 10 tcg_gen_shl_tl(dest, src1, t0); 11 tcg_temp_free(t0); 12} 13 14static void gen_srl_w(TCGv dest, TCGv src1, TCGv src2) 15{ 16 TCGv t0 = tcg_temp_new(); 17 tcg_gen_andi_tl(t0, src2, 0x1f); 18 tcg_gen_shr_tl(dest, src1, t0); 19 tcg_temp_free(t0); 20} 21 22static void gen_sra_w(TCGv dest, TCGv src1, TCGv src2) 23{ 24 TCGv t0 = tcg_temp_new(); 25 tcg_gen_andi_tl(t0, src2, 0x1f); 26 tcg_gen_sar_tl(dest, src1, t0); 27 tcg_temp_free(t0); 28} 29 30static void gen_sll_d(TCGv dest, TCGv src1, TCGv src2) 31{ 32 TCGv t0 = tcg_temp_new(); 33 tcg_gen_andi_tl(t0, src2, 0x3f); 34 tcg_gen_shl_tl(dest, src1, t0); 35 tcg_temp_free(t0); 36} 37 38static void gen_srl_d(TCGv dest, TCGv src1, TCGv src2) 39{ 40 TCGv t0 = tcg_temp_new(); 41 tcg_gen_andi_tl(t0, src2, 0x3f); 42 tcg_gen_shr_tl(dest, src1, t0); 43 tcg_temp_free(t0); 44} 45 46static void gen_sra_d(TCGv dest, TCGv src1, TCGv src2) 47{ 48 TCGv t0 = tcg_temp_new(); 49 tcg_gen_andi_tl(t0, src2, 0x3f); 50 tcg_gen_sar_tl(dest, src1, t0); 51 tcg_temp_free(t0); 52} 53 54static void gen_rotr_w(TCGv dest, TCGv src1, TCGv src2) 55{ 56 TCGv_i32 t1 = tcg_temp_new_i32(); 57 TCGv_i32 t2 = tcg_temp_new_i32(); 58 TCGv t0 = tcg_temp_new(); 59 60 tcg_gen_andi_tl(t0, src2, 0x1f); 61 62 tcg_gen_trunc_tl_i32(t1, src1); 63 tcg_gen_trunc_tl_i32(t2, t0); 64 65 tcg_gen_rotr_i32(t1, t1, t2); 66 tcg_gen_ext_i32_tl(dest, t1); 67 68 tcg_temp_free_i32(t1); 69 tcg_temp_free_i32(t2); 70 tcg_temp_free(t0); 71} 72 73static void gen_rotr_d(TCGv dest, TCGv src1, TCGv src2) 74{ 75 TCGv t0 = tcg_temp_new(); 76 tcg_gen_andi_tl(t0, src2, 0x3f); 77 tcg_gen_rotr_tl(dest, src1, t0); 78 tcg_temp_free(t0); 79} 80 81static bool trans_srai_w(DisasContext *ctx, arg_srai_w *a) 82{ 83 TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); 84 TCGv src1 = gpr_src(ctx, a->rj, EXT_ZERO); 85 86 tcg_gen_sextract_tl(dest, src1, a->imm, 32 - a->imm); 87 gen_set_gpr(a->rd, dest, EXT_NONE); 88 89 return true; 90} 91 92TRANS(sll_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_sll_w) 93TRANS(srl_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_srl_w) 94TRANS(sra_w, gen_rrr, EXT_SIGN, EXT_NONE, EXT_SIGN, gen_sra_w) 95TRANS(sll_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sll_d) 96TRANS(srl_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_srl_d) 97TRANS(sra_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sra_d) 98TRANS(rotr_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_rotr_w) 99TRANS(rotr_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_rotr_d) 100TRANS(slli_w, gen_rri_c, EXT_NONE, EXT_SIGN, tcg_gen_shli_tl) 101TRANS(slli_d, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shli_tl) 102TRANS(srli_w, gen_rri_c, EXT_ZERO, EXT_SIGN, tcg_gen_shri_tl) 103TRANS(srli_d, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shri_tl) 104TRANS(srai_d, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_sari_tl) 105TRANS(rotri_w, gen_rri_v, EXT_NONE, EXT_NONE, gen_rotr_w) 106TRANS(rotri_d, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_rotri_tl) 107