diff options
Diffstat (limited to 'target-sparc/op.c')
| -rw-r--r-- | target-sparc/op.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/target-sparc/op.c b/target-sparc/op.c index 9e16a29a43..5c6e5391d9 100644 --- a/target-sparc/op.c +++ b/target-sparc/op.c @@ -472,6 +472,96 @@ void OPPROTO op_addx_T1_T0_cc(void) FORCE_RET(); } +void OPPROTO op_tadd_T1_T0_cc(void) +{ + target_ulong src1; + + src1 = T0; + T0 += T1; + env->psr = 0; +#ifdef TARGET_SPARC64 + if (!(T0 & 0xffffffff)) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if ((T0 & 0xffffffff) < (src1 & 0xffffffff)) + env->psr |= PSR_CARRY; + if ((((src1 & 0xffffffff) ^ (T1 & 0xffffffff) ^ -1) & + ((src1 & 0xffffffff) ^ (T0 & 0xffffffff))) & (1 << 31)) + env->psr |= PSR_OVF; + if ((src1 & 0x03) || (T1 & 0x03)) + env->psr |= PSR_OVF; + + env->xcc = 0; + if (!T0) + env->xcc |= PSR_ZERO; + if ((int64_t) T0 < 0) + env->xcc |= PSR_NEG; + if (T0 < src1) + env->xcc |= PSR_CARRY; + if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1ULL << 63)) + env->xcc |= PSR_OVF; +#else + if (!T0) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if (T0 < src1) + env->psr |= PSR_CARRY; + if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31)) + env->psr |= PSR_OVF; + if ((src1 & 0x03) || (T1 & 0x03)) + env->psr |= PSR_OVF; +#endif + FORCE_RET(); +} + +void OPPROTO op_tadd_T1_T0_ccTV(void) +{ + target_ulong src1; + + if ((T0 & 0x03) || (T1 & 0x03)) + raise_exception(TT_TOVF); + + src1 = T0; + T0 += T1; + +#ifdef TARGET_SPARC64 + if ((((src1 & 0xffffffff) ^ (T1 & 0xffffffff) ^ -1) & + ((src1 & 0xffffffff) ^ (T0 & 0xffffffff))) & (1 << 31)) + raise_exception(TT_TOVF); +#else + if ((src1 & 0x03) || (T1 & 0x03)) + raise_exception(TT_TOVF); +#endif + + env->psr = 0; +#ifdef TARGET_SPARC64 + if (!(T0 & 0xffffffff)) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if ((T0 & 0xffffffff) < (src1 & 0xffffffff)) + env->psr |= PSR_CARRY; + + env->xcc = 0; + if (!T0) + env->xcc |= PSR_ZERO; + if ((int64_t) T0 < 0) + env->xcc |= PSR_NEG; + if (T0 < src1) + env->xcc |= PSR_CARRY; +#else + if (!T0) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if (T0 < src1) + env->psr |= PSR_CARRY; +#endif + FORCE_RET(); +} + void OPPROTO op_sub_T1_T0(void) { T0 -= T1; @@ -582,6 +672,96 @@ void OPPROTO op_subx_T1_T0_cc(void) FORCE_RET(); } +void OPPROTO op_tsub_T1_T0_cc(void) +{ + target_ulong src1; + + src1 = T0; + T0 -= T1; + env->psr = 0; +#ifdef TARGET_SPARC64 + if (!(T0 & 0xffffffff)) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if ((src1 & 0xffffffff) < (T1 & 0xffffffff)) + env->psr |= PSR_CARRY; + if ((((src1 & 0xffffffff) ^ (T1 & 0xffffffff)) & + ((src1 & 0xffffffff) ^ (T0 & 0xffffffff))) & (1 << 31)) + env->psr |= PSR_OVF; + if ((src1 & 0x03) || (T1 & 0x03)) + env->psr |= PSR_OVF; + + env->xcc = 0; + if (!T0) + env->xcc |= PSR_ZERO; + if ((int64_t) T0 < 0) + env->xcc |= PSR_NEG; + if (src1 < T1) + env->xcc |= PSR_CARRY; + if (((src1 ^ T1) & (src1 ^ T0)) & (1ULL << 63)) + env->xcc |= PSR_OVF; +#else + if (!T0) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if (src1 < T1) + env->psr |= PSR_CARRY; + if (((src1 ^ T1) & (src1 ^ T0)) & (1 << 31)) + env->psr |= PSR_OVF; + if ((src1 & 0x03) || (T1 & 0x03)) + env->psr |= PSR_OVF; +#endif + FORCE_RET(); +} + +void OPPROTO op_tsub_T1_T0_ccTV(void) +{ + target_ulong src1; + + if ((T0 & 0x03) || (T1 & 0x03)) + raise_exception(TT_TOVF); + + src1 = T0; + T0 -= T1; + +#ifdef TARGET_SPARC64 + if ((((src1 & 0xffffffff) ^ (T1 & 0xffffffff)) & + ((src1 & 0xffffffff) ^ (T0 & 0xffffffff))) & (1 << 31)) + raise_exception(TT_TOVF); +#else + if (((src1 ^ T1) & (src1 ^ T0)) & (1 << 31)) + raise_exception(TT_TOVF); +#endif + + env->psr = 0; +#ifdef TARGET_SPARC64 + if (!(T0 & 0xffffffff)) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if ((src1 & 0xffffffff) < (T1 & 0xffffffff)) + env->psr |= PSR_CARRY; + + env->xcc = 0; + if (!T0) + env->xcc |= PSR_ZERO; + if ((int64_t) T0 < 0) + env->xcc |= PSR_NEG; + if (src1 < T1) + env->xcc |= PSR_CARRY; +#else + if (!T0) + env->psr |= PSR_ZERO; + if ((int32_t) T0 < 0) + env->psr |= PSR_NEG; + if (src1 < T1) + env->psr |= PSR_CARRY; +#endif + FORCE_RET(); +} + void OPPROTO op_and_T1_T0(void) { T0 &= T1; |