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tricore: add FTOIZ instruction

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Signed-off-by: Andreas Konopik <andreas.konopik@efs-auto.de>
Signed-off-by: David Brenken <david.brenken@efs-auto.de>
Signed-off-by: Georg Hofstetter <georg.hofstetter@efs-auto.de>
Signed-off-by: Robert Rasche <robert.rasche@efs-auto.de>
Signed-off-by: Lars Biermanski <lars.biermanski@efs-auto.de>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20190624070339.4408-2-david.brenken@efs-auto.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
This commit is contained in:
David Brenken 2019-06-24 09:03:35 +02:00 committed by Bastian Koppelmann
parent 474f3938d7
commit 1fa79fb02d
3 changed files with 29 additions and 0 deletions
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25
target/tricore/fpu_helper.c
View File

@ -303,6 +303,31 @@ uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg)
return (uint32_t)f_result; return (uint32_t)f_result;
} }
uint32_t helper_ftoiz(CPUTriCoreState *env, uint32_t arg)
{
float32 f_arg = make_float32(arg);
uint32_t result;
int32_t flags;
result = float32_to_int32_round_to_zero(f_arg, &env->fp_status);
flags = f_get_excp_flags(env);
if (flags & float_flag_invalid) {
flags &= ~float_flag_inexact;
if (float32_is_any_nan(f_arg)) {
result = 0;
}
}
if (flags) {
f_update_psw_flags(env, flags);
} else {
env->FPU_FS = 0;
}
return result;
}
uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg)
{ {
float32 f_arg = make_float32(arg); float32 f_arg = make_float32(arg);

1
target/tricore/helper.h
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@ -111,6 +111,7 @@ DEF_HELPER_4(fmsub, i32, env, i32, i32, i32)
DEF_HELPER_3(fcmp, i32, env, i32, i32) DEF_HELPER_3(fcmp, i32, env, i32, i32)
DEF_HELPER_2(ftoi, i32, env, i32) DEF_HELPER_2(ftoi, i32, env, i32)
DEF_HELPER_2(itof, i32, env, i32) DEF_HELPER_2(itof, i32, env, i32)
DEF_HELPER_2(ftoiz, i32, env, i32)
DEF_HELPER_2(ftouz, i32, env, i32) DEF_HELPER_2(ftouz, i32, env, i32)
DEF_HELPER_2(updfl, void, env, i32) DEF_HELPER_2(updfl, void, env, i32)
/* dvinit */ /* dvinit */

3
target/tricore/translate.c
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@ -6747,6 +6747,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
case OPC2_32_RR_UPDFL: case OPC2_32_RR_UPDFL:
gen_helper_updfl(cpu_env, cpu_gpr_d[r1]); gen_helper_updfl(cpu_env, cpu_gpr_d[r1]);
break; break;
case OPC2_32_RR_FTOIZ:
gen_helper_ftoiz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]);
break;
default: default:
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
} }