diff options
Diffstat (limited to 'target/loongarch/tcg/insn_trans/trans_fcmp.c.inc')
| -rw-r--r-- | target/loongarch/tcg/insn_trans/trans_fcmp.c.inc | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/target/loongarch/tcg/insn_trans/trans_fcmp.c.inc b/target/loongarch/tcg/insn_trans/trans_fcmp.c.inc index 3babf69e4a..6a2c030a6b 100644 --- a/target/loongarch/tcg/insn_trans/trans_fcmp.c.inc +++ b/target/loongarch/tcg/insn_trans/trans_fcmp.c.inc @@ -4,10 +4,15 @@ */ /* bit0(signaling/quiet) bit1(lt) bit2(eq) bit3(un) bit4(neq) */ -static uint32_t get_fcmp_flags(int cond) +static uint32_t get_fcmp_flags(DisasContext *ctx, int cond) { uint32_t flags = 0; + /*check cond , cond =[0-8,10,12] */ + if ((cond > 8) &&(cond != 10) && (cond != 12)) { + return -1; + } + if (cond & 0x1) { flags |= FCMP_LT; } @@ -26,9 +31,14 @@ static uint32_t get_fcmp_flags(int cond) static bool trans_fcmp_cond_s(DisasContext *ctx, arg_fcmp_cond_s *a) { TCGv var, src1, src2; - uint32_t flags; + uint32_t flags = get_fcmp_flags(ctx, a->fcond >>1); void (*fn)(TCGv, TCGv_env, TCGv, TCGv, TCGv_i32); + if (flags == -1) { + generate_exception(ctx, EXCCODE_INE); + return true; + } + if (!avail_FP_SP(ctx)) { return false; } @@ -39,8 +49,6 @@ static bool trans_fcmp_cond_s(DisasContext *ctx, arg_fcmp_cond_s *a) src1 = get_fpr(ctx, a->fj); src2 = get_fpr(ctx, a->fk); fn = (a->fcond & 1 ? gen_helper_fcmp_s_s : gen_helper_fcmp_c_s); - flags = get_fcmp_flags(a->fcond >> 1); - fn(var, tcg_env, src1, src2, tcg_constant_i32(flags)); tcg_gen_st8_tl(var, tcg_env, offsetof(CPULoongArchState, cf[a->cd])); @@ -50,9 +58,14 @@ static bool trans_fcmp_cond_s(DisasContext *ctx, arg_fcmp_cond_s *a) static bool trans_fcmp_cond_d(DisasContext *ctx, arg_fcmp_cond_d *a) { TCGv var, src1, src2; - uint32_t flags; + uint32_t flags = get_fcmp_flags(ctx, a->fcond >> 1); void (*fn)(TCGv, TCGv_env, TCGv, TCGv, TCGv_i32); + if (flags == -1) { + generate_exception(ctx, EXCCODE_INE); + return true; + } + if (!avail_FP_DP(ctx)) { return false; } @@ -63,8 +76,6 @@ static bool trans_fcmp_cond_d(DisasContext *ctx, arg_fcmp_cond_d *a) src1 = get_fpr(ctx, a->fj); src2 = get_fpr(ctx, a->fk); fn = (a->fcond & 1 ? gen_helper_fcmp_s_d : gen_helper_fcmp_c_d); - flags = get_fcmp_flags(a->fcond >> 1); - fn(var, tcg_env, src1, src2, tcg_constant_i32(flags)); tcg_gen_st8_tl(var, tcg_env, offsetof(CPULoongArchState, cf[a->cd])); |