diff options
Diffstat (limited to 'target-xtensa/translate.c')
| -rw-r--r-- | target-xtensa/translate.c | 81 |
1 files changed, 80 insertions, 1 deletions
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*/ |