diff options
Diffstat (limited to 'target-tricore')
| -rw-r--r-- | target-tricore/op_helper.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c index dcc65b1385..254135ed9e 100644 --- a/target-tricore/op_helper.c +++ b/target-tricore/op_helper.c @@ -80,29 +80,40 @@ static uint32_t ssov32(CPUTriCoreState *env, int64_t arg) return ret; } -static uint32_t suov32(CPUTriCoreState *env, int64_t arg) +static uint32_t suov32_pos(CPUTriCoreState *env, uint64_t arg) { uint32_t ret; - int64_t max_pos = UINT32_MAX; + uint64_t max_pos = UINT32_MAX; if (arg > max_pos) { env->PSW_USB_V = (1 << 31); env->PSW_USB_SV = (1 << 31); ret = (target_ulong)max_pos; } else { - if (arg < 0) { - env->PSW_USB_V = (1 << 31); - env->PSW_USB_SV = (1 << 31); - ret = 0; - } else { - env->PSW_USB_V = 0; - ret = (target_ulong)arg; - } + env->PSW_USB_V = 0; + ret = (target_ulong)arg; } env->PSW_USB_AV = arg ^ arg * 2u; env->PSW_USB_SAV |= env->PSW_USB_AV; return ret; } +static uint32_t suov32_neg(CPUTriCoreState *env, int64_t arg) +{ + uint32_t ret; + + if (arg < 0) { + env->PSW_USB_V = (1 << 31); + env->PSW_USB_SV = (1 << 31); + ret = 0; + } else { + env->PSW_USB_V = 0; + ret = (target_ulong)arg; + } + env->PSW_USB_AV = arg ^ arg * 2u; + env->PSW_USB_SAV |= env->PSW_USB_AV; + return ret; +} + static uint32_t ssov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1) { int32_t max_pos = INT16_MAX; @@ -189,7 +200,7 @@ target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1, int64_t t1 = extract64(r1, 0, 32); int64_t t2 = extract64(r2, 0, 32); int64_t result = t1 + t2; - return suov32(env, result); + return suov32_pos(env, result); } target_ulong helper_add_h_suov(CPUTriCoreState *env, target_ulong r1, @@ -227,7 +238,7 @@ target_ulong helper_sub_suov(CPUTriCoreState *env, target_ulong r1, int64_t t1 = extract64(r1, 0, 32); int64_t t2 = extract64(r2, 0, 32); int64_t result = t1 - t2; - return suov32(env, result); + return suov32_neg(env, result); } target_ulong helper_sub_h_suov(CPUTriCoreState *env, target_ulong r1, @@ -256,7 +267,7 @@ target_ulong helper_mul_suov(CPUTriCoreState *env, target_ulong r1, int64_t t2 = extract64(r2, 0, 32); int64_t result = t1 * t2; - return suov32(env, result); + return suov32_pos(env, result); } target_ulong helper_sha_ssov(CPUTriCoreState *env, target_ulong r1, @@ -356,7 +367,7 @@ target_ulong helper_madd32_suov(CPUTriCoreState *env, target_ulong r1, int64_t result; result = t2 + (t1 * t3); - return suov32(env, result); + return suov32_pos(env, result); } uint64_t helper_madd64_ssov(CPUTriCoreState *env, target_ulong r1, @@ -438,7 +449,7 @@ target_ulong helper_msub32_suov(CPUTriCoreState *env, target_ulong r1, int64_t result; result = t2 - (t1 * t3); - return suov32(env, result); + return suov32_neg(env, result); } uint64_t helper_msub64_ssov(CPUTriCoreState *env, target_ulong r1, |