diff options
Diffstat (limited to 'target-tricore')
-rw-r--r-- | target-tricore/fpu_helper.c | 23 | ||||
-rw-r--r-- | target-tricore/helper.h | 1 | ||||
-rw-r--r-- | target-tricore/translate.c | 3 |
3 files changed, 27 insertions, 0 deletions
diff --git a/target-tricore/fpu_helper.c b/target-tricore/fpu_helper.c index 5ae56e07f6..a60bf29625 100644 --- a/target-tricore/fpu_helper.c +++ b/target-tricore/fpu_helper.c @@ -158,3 +158,26 @@ uint32_t helper_fdiv(CPUTriCoreState *env, uint32_t r1, uint32_t r2) return (uint32_t)f_result; } + +uint32_t helper_fcmp(CPUTriCoreState *env, uint32_t r1, uint32_t r2) +{ + uint32_t result, flags; + float32 arg1 = make_float32(r1); + float32 arg2 = make_float32(r2); + + set_flush_inputs_to_zero(0, &env->fp_status); + + result = 1 << (float32_compare_quiet(arg1, arg2, &env->fp_status) + 1); + result |= f_is_denormal(arg1) << 4; + result |= f_is_denormal(arg2) << 5; + + flags = f_get_excp_flags(env); + if (flags) { + f_update_psw_flags(env, flags); + } else { + env->FPU_FS = 0; + } + + set_flush_inputs_to_zero(1, &env->fp_status); + return result; +} diff --git a/target-tricore/helper.h b/target-tricore/helper.h index f5eff3625a..489530fc6a 100644 --- a/target-tricore/helper.h +++ b/target-tricore/helper.h @@ -109,6 +109,7 @@ DEF_HELPER_3(fadd, i32, env, i32, i32) DEF_HELPER_3(fsub, i32, env, i32, i32) DEF_HELPER_3(fmul, i32, env, i32, i32) DEF_HELPER_3(fdiv, i32, env, i32, i32) +DEF_HELPER_3(fcmp, i32, env, i32, i32) /* dvinit */ DEF_HELPER_3(dvinit_b_13, i64, env, i32, i32) DEF_HELPER_3(dvinit_b_131, i64, env, i32, i32) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index eaa7dd515f..34cae632e5 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -6678,6 +6678,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_DIV_F: gen_helper_fdiv(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]); break; + case OPC2_32_RR_CMP_F: + gen_helper_fcmp(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); } |