diff options
Diffstat (limited to 'target/openrisc')
| -rw-r--r-- | target/openrisc/insns.decode | 15 | ||||
| -rw-r--r-- | target/openrisc/translate.c | 120 |
2 files changed, 73 insertions, 62 deletions
diff --git a/target/openrisc/insns.decode b/target/openrisc/insns.decode index 84f71c13b3..29d28ff5be 100644 --- a/target/openrisc/insns.decode +++ b/target/openrisc/insns.decode @@ -139,3 +139,18 @@ l_slli 101110 d:5 a:5 -------- 00 l:6 l_srli 101110 d:5 a:5 -------- 01 l:6 l_srai 101110 d:5 a:5 -------- 10 l:6 l_rori 101110 d:5 a:5 -------- 11 l:6 + +#### +# Compare Instructions +#### + +l_sfeq 111001 00000 a:5 b:5 ----------- +l_sfne 111001 00001 a:5 b:5 ----------- +l_sfgtu 111001 00010 a:5 b:5 ----------- +l_sfgeu 111001 00011 a:5 b:5 ----------- +l_sfltu 111001 00100 a:5 b:5 ----------- +l_sfleu 111001 00101 a:5 b:5 ----------- +l_sfgts 111001 01010 a:5 b:5 ----------- +l_sfges 111001 01011 a:5 b:5 ----------- +l_sflts 111001 01100 a:5 b:5 ----------- +l_sfles 111001 01101 a:5 b:5 ----------- diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c index bdd4626c02..8743b5e96e 100644 --- a/target/openrisc/translate.c +++ b/target/openrisc/translate.c @@ -1047,74 +1047,74 @@ static bool trans_l_macrc(DisasContext *dc, arg_l_macrc *a, uint32_t insn) return true; } -static void dec_comp(DisasContext *dc, uint32_t insn) +static bool trans_l_sfeq(DisasContext *dc, arg_ab *a, TCGCond cond) { - uint32_t op0; - uint32_t ra, rb; - - op0 = extract32(insn, 21, 5); - ra = extract32(insn, 16, 5); - rb = extract32(insn, 11, 5); - - /* unsigned integers */ - tcg_gen_ext32u_tl(cpu_R[ra], cpu_R[ra]); - tcg_gen_ext32u_tl(cpu_R[rb], cpu_R[rb]); - - switch (op0) { - case 0x0: /* l.sfeq */ - LOG_DIS("l.sfeq r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_EQ, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; - - case 0x1: /* l.sfne */ - LOG_DIS("l.sfne r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_NE, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; + LOG_DIS("l.sfeq r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_EQ, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0x2: /* l.sfgtu */ - LOG_DIS("l.sfgtu r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_GTU, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfne(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfne r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_NE, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0x3: /* l.sfgeu */ - LOG_DIS("l.sfgeu r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_GEU, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfgtu(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfgtu r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_GTU, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0x4: /* l.sfltu */ - LOG_DIS("l.sfltu r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_LTU, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfgeu(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfgeu r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_GEU, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0x5: /* l.sfleu */ - LOG_DIS("l.sfleu r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_LEU, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfltu(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfltu r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_LTU, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0xa: /* l.sfgts */ - LOG_DIS("l.sfgts r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_GT, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfleu(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfleu r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_LEU, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0xb: /* l.sfges */ - LOG_DIS("l.sfges r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_GE, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfgts(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfgts r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_GT, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0xc: /* l.sflts */ - LOG_DIS("l.sflts r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_LT, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sfges(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfges r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_GE, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - case 0xd: /* l.sfles */ - LOG_DIS("l.sfles r%d, r%d\n", ra, rb); - tcg_gen_setcond_tl(TCG_COND_LE, cpu_sr_f, cpu_R[ra], cpu_R[rb]); - break; +static bool trans_l_sflts(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sflts r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_LT, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; +} - default: - gen_illegal_exception(dc); - break; - } +static bool trans_l_sfles(DisasContext *dc, arg_ab *a, TCGCond cond) +{ + LOG_DIS("l.sfles r%d, r%d\n", a->a, a->b); + tcg_gen_setcond_tl(TCG_COND_LE, cpu_sr_f, cpu_R[a->a], cpu_R[a->b]); + return true; } static void dec_compi(DisasContext *dc, uint32_t insn) @@ -1477,10 +1477,6 @@ static void disas_openrisc_insn(DisasContext *dc, OpenRISCCPU *cpu) dec_float(dc, insn); break; - case 0x39: - dec_comp(dc, insn); - break; - default: gen_illegal_exception(dc); break; |