aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--target/sh4/helper.h2
-rw-r--r--target/sh4/op_helper.c10
-rw-r--r--target/sh4/translate.c15
3 files changed, 3 insertions, 24 deletions
diff --git a/target/sh4/helper.h b/target/sh4/helper.h
index dce859caea..f715224822 100644
--- a/target/sh4/helper.h
+++ b/target/sh4/helper.h
@@ -16,8 +16,6 @@ DEF_HELPER_3(macw, void, env, i32, i32)
DEF_HELPER_2(ld_fpscr, void, env, i32)
-DEF_HELPER_FLAGS_1(fabs_FT, TCG_CALL_NO_RWG_SE, f32, f32)
-DEF_HELPER_FLAGS_1(fabs_DT, TCG_CALL_NO_RWG_SE, f64, f64)
DEF_HELPER_FLAGS_3(fadd_FT, TCG_CALL_NO_WG, f32, env, f32, f32)
DEF_HELPER_FLAGS_3(fadd_DT, TCG_CALL_NO_WG, f64, env, f64, f64)
DEF_HELPER_FLAGS_2(fcnvsd_FT_DT, TCG_CALL_NO_WG, f64, env, f32)
diff --git a/target/sh4/op_helper.c b/target/sh4/op_helper.c
index 528a40ac1d..5e3a3ba68c 100644
--- a/target/sh4/op_helper.c
+++ b/target/sh4/op_helper.c
@@ -252,16 +252,6 @@ static void update_fpscr(CPUSH4State *env, uintptr_t retaddr)
}
}
-float32 helper_fabs_FT(float32 t0)
-{
- return float32_abs(t0);
-}
-
-float64 helper_fabs_DT(float64 t0)
-{
- return float64_abs(t0);
-}
-
float32 helper_fadd_FT(CPUSH4State *env, float32 t0, float32 t1)
{
set_float_exception_flags(0, &env->fp_status);
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 8bc132b27b..bff212a78e 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -1695,19 +1695,10 @@ static void _decode_opc(DisasContext * ctx)
gen_helper_fneg_T(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
}
return;
- case 0xf05d: /* fabs FRn/DRn */
+ case 0xf05d: /* fabs FRn/DRn - FPCSR: Nothing */
CHECK_FPU_ENABLED
- if (ctx->tbflags & FPSCR_PR) {
- if (ctx->opcode & 0x0100)
- break; /* illegal instruction */
- TCGv_i64 fp = tcg_temp_new_i64();
- gen_load_fpr64(fp, DREG(B11_8));
- gen_helper_fabs_DT(fp, fp);
- gen_store_fpr64(fp, DREG(B11_8));
- tcg_temp_free_i64(fp);
- } else {
- gen_helper_fabs_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
- }
+ tcg_gen_andi_i32(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)],
+ 0x7fffffff);
return;
case 0xf06d: /* fsqrt FRn */
CHECK_FPU_ENABLED