diff options
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/helper.h | 8 | ||||
| -rw-r--r-- | target-xtensa/op_helper.c | 47 | ||||
| -rw-r--r-- | target-xtensa/translate.c | 81 |
3 files changed, 135 insertions, 1 deletions
diff --git a/target-xtensa/helper.h b/target-xtensa/helper.h index 9557347f1b..4cc0088c36 100644 --- a/target-xtensa/helper.h +++ b/target-xtensa/helper.h @@ -49,4 +49,12 @@ DEF_HELPER_FLAGS_3(ftoui, TCG_CALL_CONST | TCG_CALL_PURE, i32, f32, i32, i32) DEF_HELPER_3(itof, f32, env, i32, i32) DEF_HELPER_3(uitof, f32, env, i32, i32) +DEF_HELPER_4(un_s, void, env, i32, f32, f32) +DEF_HELPER_4(oeq_s, void, env, i32, f32, f32) +DEF_HELPER_4(ueq_s, void, env, i32, f32, f32) +DEF_HELPER_4(olt_s, void, env, i32, f32, f32) +DEF_HELPER_4(ult_s, void, env, i32, f32, f32) +DEF_HELPER_4(ole_s, void, env, i32, f32, f32) +DEF_HELPER_4(ule_s, void, env, i32, f32, f32) + #include "def-helper.h" diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c index 5cf9c02e05..ae0c09977b 100644 --- a/target-xtensa/op_helper.c +++ b/target-xtensa/op_helper.c @@ -858,3 +858,50 @@ float32 HELPER(uitof)(CPUXtensaState *env, uint32_t v, uint32_t scale) return float32_scalbn(uint32_to_float32(v, &env->fp_status), (int32_t)scale, &env->fp_status); } + +static inline void set_br(CPUXtensaState *env, bool v, uint32_t br) +{ + if (v) { + env->sregs[BR] |= br; + } else { + env->sregs[BR] &= ~br; + } +} + +void HELPER(un_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + set_br(env, float32_unordered_quiet(a, b, &env->fp_status), br); +} + +void HELPER(oeq_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + set_br(env, float32_eq_quiet(a, b, &env->fp_status), br); +} + +void HELPER(ueq_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + int v = float32_compare_quiet(a, b, &env->fp_status); + set_br(env, v == float_relation_equal || v == float_relation_unordered, br); +} + +void HELPER(olt_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + set_br(env, float32_lt_quiet(a, b, &env->fp_status), br); +} + +void HELPER(ult_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + int v = float32_compare_quiet(a, b, &env->fp_status); + set_br(env, v == float_relation_less || v == float_relation_unordered, br); +} + +void HELPER(ole_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + set_br(env, float32_le_quiet(a, b, &env->fp_status), br); +} + +void HELPER(ule_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b) +{ + int v = float32_compare_quiet(a, b, &env->fp_status); + set_br(env, v != float_relation_greater, br); +} diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 1627ad0dbf..9308cdfbaa 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -2019,7 +2019,86 @@ static void disas_xtensa_insn(DisasContext *dc) case 11: /*FP1*/ HAS_OPTION(XTENSA_OPTION_FP_COPROCESSOR); - TBD(); + +#define gen_compare(rel, br, a, b) \ + do { \ + TCGv_i32 bit = tcg_const_i32(1 << br); \ + \ + gen_helper_##rel(cpu_env, bit, cpu_FR[a], cpu_FR[b]); \ + tcg_temp_free(bit); \ + } while (0) + + switch (OP2) { + case 1: /*UN.Sf*/ + gen_compare(un_s, RRR_R, RRR_S, RRR_T); + break; + + case 2: /*OEQ.Sf*/ + gen_compare(oeq_s, RRR_R, RRR_S, RRR_T); + break; + + case 3: /*UEQ.Sf*/ + gen_compare(ueq_s, RRR_R, RRR_S, RRR_T); + break; + + case 4: /*OLT.Sf*/ + gen_compare(olt_s, RRR_R, RRR_S, RRR_T); + break; + + case 5: /*ULT.Sf*/ + gen_compare(ult_s, RRR_R, RRR_S, RRR_T); + break; + + case 6: /*OLE.Sf*/ + gen_compare(ole_s, RRR_R, RRR_S, RRR_T); + break; + + case 7: /*ULE.Sf*/ + gen_compare(ule_s, RRR_R, RRR_S, RRR_T); + break; + +#undef gen_compare + + case 8: /*MOVEQZ.Sf*/ + case 9: /*MOVNEZ.Sf*/ + case 10: /*MOVLTZ.Sf*/ + case 11: /*MOVGEZ.Sf*/ + gen_window_check1(dc, RRR_T); + { + static const TCGCond cond[] = { + TCG_COND_NE, + TCG_COND_EQ, + TCG_COND_GE, + TCG_COND_LT + }; + int label = gen_new_label(); + tcg_gen_brcondi_i32(cond[OP2 - 8], cpu_R[RRR_T], 0, label); + tcg_gen_mov_i32(cpu_FR[RRR_R], cpu_FR[RRR_S]); + gen_set_label(label); + } + break; + + case 12: /*MOVF.Sf*/ + case 13: /*MOVT.Sf*/ + HAS_OPTION(XTENSA_OPTION_BOOLEAN); + { + int label = gen_new_label(); + TCGv_i32 tmp = tcg_temp_new_i32(); + + tcg_gen_andi_i32(tmp, cpu_SR[BR], 1 << RRR_T); + tcg_gen_brcondi_i32( + OP2 & 1 ? TCG_COND_EQ : TCG_COND_NE, + tmp, 0, label); + tcg_gen_mov_i32(cpu_FR[RRR_R], cpu_FR[RRR_S]); + gen_set_label(label); + tcg_temp_free(tmp); + } + break; + + default: /*reserved*/ + RESERVED(); + break; + } break; default: /*reserved*/ |