From 0d4c3b8010320a8ebb4061d88510e082b06ed2cc Mon Sep 17 00:00:00 2001 From: Bastian Koppelmann Date: Fri, 11 Mar 2016 16:03:17 +0100 Subject: target-tricore: Add ftoi and itof instructions Reviewed-by: Richard Henderson Signed-off-by: Bastian Koppelmann Message-Id: <1457708597-3025-8-git-send-email-kbastian@mail.uni-paderborn.de> --- target-tricore/fpu_helper.c | 34 ++++++++++++++++++++++++++++++++++ target-tricore/helper.h | 2 ++ target-tricore/translate.c | 6 ++++++ 3 files changed, 42 insertions(+) (limited to 'target-tricore') diff --git a/target-tricore/fpu_helper.c b/target-tricore/fpu_helper.c index a60bf29..98fe947 100644 --- a/target-tricore/fpu_helper.c +++ b/target-tricore/fpu_helper.c @@ -181,3 +181,37 @@ uint32_t helper_fcmp(CPUTriCoreState *env, uint32_t r1, uint32_t r2) set_flush_inputs_to_zero(1, &env->fp_status); return result; } + +uint32_t helper_ftoi(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_arg = make_float32(arg); + int32_t result, flags; + + result = float32_to_int32(f_arg, &env->fp_status); + + flags = f_get_excp_flags(env); + if (flags) { + if (float32_is_any_nan(f_arg)) { + result = 0; + } + f_update_psw_flags(env, flags); + } else { + env->FPU_FS = 0; + } + return (uint32_t)result; +} + +uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_result; + uint32_t flags; + f_result = int32_to_float32(arg, &env->fp_status); + + flags = f_get_excp_flags(env); + if (flags) { + f_update_psw_flags(env, flags); + } else { + env->FPU_FS = 0; + } + return (uint32_t)f_result; +} diff --git a/target-tricore/helper.h b/target-tricore/helper.h index 489530f..9333e16 100644 --- a/target-tricore/helper.h +++ b/target-tricore/helper.h @@ -110,6 +110,8 @@ 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) +DEF_HELPER_2(ftoi, i32, env, i32) +DEF_HELPER_2(itof, i32, env, 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 34cae63..912bf22 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -6681,6 +6681,12 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_CMP_F: gen_helper_fcmp(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]); break; + case OPC2_32_RR_FTOI: + gen_helper_ftoi(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; + case OPC2_32_RR_ITOF: + gen_helper_itof(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); } -- cgit v1.1