diff options
Diffstat (limited to 'target/loongarch/insn_trans/trans_farith.c.inc')
-rw-r--r-- | target/loongarch/insn_trans/trans_farith.c.inc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/loongarch/insn_trans/trans_farith.c.inc b/target/loongarch/insn_trans/trans_farith.c.inc index 7bb3f41aee..e2dec75dfb 100644 --- a/target/loongarch/insn_trans/trans_farith.c.inc +++ b/target/loongarch/insn_trans/trans_farith.c.inc @@ -3,9 +3,22 @@ * 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 false; \ + } \ +} 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; } @@ -13,6 +26,8 @@ static bool gen_fff(DisasContext *ctx, arg_fff *a, 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; } @@ -22,6 +37,9 @@ static bool gen_muladd(DisasContext *ctx, arg_ffff *a, 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; @@ -29,18 +47,24 @@ static bool gen_muladd(DisasContext *ctx, arg_ffff *a, 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; @@ -48,12 +72,16 @@ static bool trans_fabs_s(DisasContext *ctx, arg_fabs_s *a) 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; @@ -61,6 +89,8 @@ static bool trans_fneg_s(DisasContext *ctx, arg_fneg_s *a) 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; } |