/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2021 Loongson Technology Corporation Limited */ #ifndef CONFIG_USER_ONLY #define CHECK_FPE do { \ if ((ctx->base.tb->flags & HW_FLAGS_EUEN_FPE) == 0) { \ generate_exception(ctx, EXCCODE_FPD); \ return true; \ } \ } while (0) #else #define CHECK_FPE #endif static bool gen_fff(DisasContext *ctx, arg_fff *a, void (*func)(TCGv, TCGv_env, TCGv, TCGv)) { CHECK_FPE; func(cpu_fpr[a->fd], cpu_env, cpu_fpr[a->fj], cpu_fpr[a->fk]); return true; } static bool gen_ff(DisasContext *ctx, arg_ff *a, void (*func)(TCGv, TCGv_env, TCGv)) { CHECK_FPE; func(cpu_fpr[a->fd], cpu_env, cpu_fpr[a->fj]); return true; } static bool gen_muladd(DisasContext *ctx, arg_ffff *a, void (*func)(TCGv, TCGv_env, TCGv, TCGv, TCGv, TCGv_i32), int flag) { TCGv_i32 tflag = tcg_constant_i32(flag); CHECK_FPE; func(cpu_fpr[a->fd], cpu_env, cpu_fpr[a->fj], cpu_fpr[a->fk], cpu_fpr[a->fa], tflag); return true; } static bool trans_fcopysign_s(DisasContext *ctx, arg_fcopysign_s *a) { CHECK_FPE; tcg_gen_deposit_i64(cpu_fpr[a->fd], cpu_fpr[a->fk], cpu_fpr[a->fj], 0, 31); return true; } static bool trans_fcopysign_d(DisasContext *ctx, arg_fcopysign_d *a) { CHECK_FPE; tcg_gen_deposit_i64(cpu_fpr[a->fd], cpu_fpr[a->fk], cpu_fpr[a->fj], 0, 63); return true; } static bool trans_fabs_s(DisasContext *ctx, arg_fabs_s *a) { CHECK_FPE; tcg_gen_andi_i64(cpu_fpr[a->fd], cpu_fpr[a->fj], MAKE_64BIT_MASK(0, 31)); gen_nanbox_s(cpu_fpr[a->fd], cpu_fpr[a->fd]); return true; } static bool trans_fabs_d(DisasContext *ctx, arg_fabs_d *a) { CHECK_FPE; tcg_gen_andi_i64(cpu_fpr[a->fd], cpu_fpr[a->fj], MAKE_64BIT_MASK(0, 63)); return true; } static bool trans_fneg_s(DisasContext *ctx, arg_fneg_s *a) { CHECK_FPE; tcg_gen_xori_i64(cpu_fpr[a->fd], cpu_fpr[a->fj], 0x80000000); gen_nanbox_s(cpu_fpr[a->fd], cpu_fpr[a->fd]); return true; } static bool trans_fneg_d(DisasContext *ctx, arg_fneg_d *a) { CHECK_FPE; tcg_gen_xori_i64(cpu_fpr[a->fd], cpu_fpr[a->fj], 0x8000000000000000LL); return true; } TRANS(fadd_s, gen_fff, gen_helper_fadd_s) TRANS(fadd_d, gen_fff, gen_helper_fadd_d) TRANS(fsub_s, gen_fff, gen_helper_fsub_s) TRANS(fsub_d, gen_fff, gen_helper_fsub_d) TRANS(fmul_s, gen_fff, gen_helper_fmul_s) TRANS(fmul_d, gen_fff, gen_helper_fmul_d) TRANS(fdiv_s, gen_fff, gen_helper_fdiv_s) TRANS(fdiv_d, gen_fff, gen_helper_fdiv_d) TRANS(fmax_s, gen_fff, gen_helper_fmax_s) TRANS(fmax_d, gen_fff, gen_helper_fmax_d) TRANS(fmin_s, gen_fff, gen_helper_fmin_s) TRANS(fmin_d, gen_fff, gen_helper_fmin_d) TRANS(fmaxa_s, gen_fff, gen_helper_fmaxa_s) TRANS(fmaxa_d, gen_fff, gen_helper_fmaxa_d) TRANS(fmina_s, gen_fff, gen_helper_fmina_s) TRANS(fmina_d, gen_fff, gen_helper_fmina_d) TRANS(fscaleb_s, gen_fff, gen_helper_fscaleb_s) TRANS(fscaleb_d, gen_fff, gen_helper_fscaleb_d) TRANS(fsqrt_s, gen_ff, gen_helper_fsqrt_s) TRANS(fsqrt_d, gen_ff, gen_helper_fsqrt_d) TRANS(frecip_s, gen_ff, gen_helper_frecip_s) TRANS(frecip_d, gen_ff, gen_helper_frecip_d) TRANS(frsqrt_s, gen_ff, gen_helper_frsqrt_s) TRANS(frsqrt_d, gen_ff, gen_helper_frsqrt_d) TRANS(flogb_s, gen_ff, gen_helper_flogb_s) TRANS(flogb_d, gen_ff, gen_helper_flogb_d) TRANS(fclass_s, gen_ff, gen_helper_fclass_s) TRANS(fclass_d, gen_ff, gen_helper_fclass_d) TRANS(fmadd_s, gen_muladd, gen_helper_fmuladd_s, 0) TRANS(fmadd_d, gen_muladd, gen_helper_fmuladd_d, 0) TRANS(fmsub_s, gen_muladd, gen_helper_fmuladd_s, float_muladd_negate_c) TRANS(fmsub_d, gen_muladd, gen_helper_fmuladd_d, float_muladd_negate_c) TRANS(fnmadd_s, gen_muladd, gen_helper_fmuladd_s, float_muladd_negate_result) TRANS(fnmadd_d, gen_muladd, gen_helper_fmuladd_d, float_muladd_negate_result) TRANS(fnmsub_s, gen_muladd, gen_helper_fmuladd_s, float_muladd_negate_c | float_muladd_negate_result) TRANS(fnmsub_d, gen_muladd, gen_helper_fmuladd_d, float_muladd_negate_c | float_muladd_negate_result)