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authorBastian Koppelmann <kbastian@mail.uni-paderborn.de>2016-03-11 16:03:17 +0100
committerBastian Koppelmann <kbastian@mail.uni-paderborn.de>2016-03-23 09:22:48 +0100
commit0d4c3b8010320a8ebb4061d88510e082b06ed2cc (patch)
treecfa5861fb31475d7941da2325d17ddde70583a2e /target-tricore
parent743cd09dd7775aaffb7f57444bef0d052bed9691 (diff)
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target-tricore: Add ftoi and itof instructions
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-Id: <1457708597-3025-8-git-send-email-kbastian@mail.uni-paderborn.de>
Diffstat (limited to 'target-tricore')
-rw-r--r--target-tricore/fpu_helper.c34
-rw-r--r--target-tricore/helper.h2
-rw-r--r--target-tricore/translate.c6
3 files changed, 42 insertions, 0 deletions
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);
}