target-ppc: rename CRF_* defines as CRF_*_BIT
Add _BIT to CRF_[GT,LT,EQ_SO] and introduce CRF_[GT,LT,EQ,SO] for usage without shifts in the code. This would simplify the code. Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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985e3023f7
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efa7319619
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@ -1301,14 +1301,19 @@ static inline int cpu_mmu_index (CPUPPCState *env, bool ifetch)
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/*****************************************************************************/
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/*****************************************************************************/
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/* CRF definitions */
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/* CRF definitions */
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#define CRF_LT 3
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#define CRF_LT_BIT 3
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#define CRF_GT 2
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#define CRF_GT_BIT 2
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#define CRF_EQ 1
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#define CRF_EQ_BIT 1
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#define CRF_SO 0
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#define CRF_SO_BIT 0
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#define CRF_CH (1 << CRF_LT)
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#define CRF_LT (1 << CRF_LT_BIT)
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#define CRF_CL (1 << CRF_GT)
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#define CRF_GT (1 << CRF_GT_BIT)
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#define CRF_CH_OR_CL (1 << CRF_EQ)
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#define CRF_EQ (1 << CRF_EQ_BIT)
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#define CRF_CH_AND_CL (1 << CRF_SO)
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#define CRF_SO (1 << CRF_SO_BIT)
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/* For SPE extensions */
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#define CRF_CH (1 << CRF_LT_BIT)
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#define CRF_CL (1 << CRF_GT_BIT)
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#define CRF_CH_OR_CL (1 << CRF_EQ_BIT)
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#define CRF_CH_AND_CL (1 << CRF_SO_BIT)
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/* XER definitions */
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/* XER definitions */
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#define XER_SO 31
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#define XER_SO 31
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@ -157,7 +157,7 @@ uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe)
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uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb)
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uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb)
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{
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{
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return hasvalue(rb, ra) ? 1 << CRF_GT : 0;
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return hasvalue(rb, ra) ? CRF_GT : 0;
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}
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}
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#undef pattern
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#undef pattern
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@ -2531,9 +2531,9 @@ static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n)
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static int bcd_cmp_zero(ppc_avr_t *bcd)
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static int bcd_cmp_zero(ppc_avr_t *bcd)
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{
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{
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if (bcd->u64[HI_IDX] == 0 && (bcd->u64[LO_IDX] >> 4) == 0) {
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if (bcd->u64[HI_IDX] == 0 && (bcd->u64[LO_IDX] >> 4) == 0) {
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return 1 << CRF_EQ;
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return CRF_EQ;
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} else {
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} else {
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return (bcd_get_sgn(bcd) == 1) ? 1 << CRF_GT : 1 << CRF_LT;
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return (bcd_get_sgn(bcd) == 1) ? CRF_GT : CRF_LT;
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}
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}
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}
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}
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@ -2645,25 +2645,25 @@ uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
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if (sgna == sgnb) {
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if (sgna == sgnb) {
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
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zero = bcd_add_mag(&result, a, b, &invalid, &overflow);
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zero = bcd_add_mag(&result, a, b, &invalid, &overflow);
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cr = (sgna > 0) ? 1 << CRF_GT : 1 << CRF_LT;
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cr = (sgna > 0) ? CRF_GT : CRF_LT;
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} else if (bcd_cmp_mag(a, b) > 0) {
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} else if (bcd_cmp_mag(a, b) > 0) {
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
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zero = bcd_sub_mag(&result, a, b, &invalid, &overflow);
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zero = bcd_sub_mag(&result, a, b, &invalid, &overflow);
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cr = (sgna > 0) ? 1 << CRF_GT : 1 << CRF_LT;
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cr = (sgna > 0) ? CRF_GT : CRF_LT;
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} else {
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} else {
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps);
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result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps);
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zero = bcd_sub_mag(&result, b, a, &invalid, &overflow);
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zero = bcd_sub_mag(&result, b, a, &invalid, &overflow);
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cr = (sgnb > 0) ? 1 << CRF_GT : 1 << CRF_LT;
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cr = (sgnb > 0) ? CRF_GT : CRF_LT;
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}
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}
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}
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}
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if (unlikely(invalid)) {
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if (unlikely(invalid)) {
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result.u64[HI_IDX] = result.u64[LO_IDX] = -1;
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result.u64[HI_IDX] = result.u64[LO_IDX] = -1;
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cr = 1 << CRF_SO;
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cr = CRF_SO;
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} else if (overflow) {
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} else if (overflow) {
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cr |= 1 << CRF_SO;
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cr |= CRF_SO;
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} else if (zero) {
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} else if (zero) {
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cr = 1 << CRF_EQ;
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cr = CRF_EQ;
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}
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}
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*r = result;
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*r = result;
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@ -2713,7 +2713,7 @@ uint32_t helper_bcdcfn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
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cr = bcd_cmp_zero(&ret);
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cr = bcd_cmp_zero(&ret);
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if (unlikely(invalid)) {
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if (unlikely(invalid)) {
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cr = 1 << CRF_SO;
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cr = CRF_SO;
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}
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}
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*r = ret;
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*r = ret;
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@ -2743,11 +2743,11 @@ uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
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cr = bcd_cmp_zero(b);
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cr = bcd_cmp_zero(b);
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if (ox_flag) {
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if (ox_flag) {
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cr |= 1 << CRF_SO;
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cr |= CRF_SO;
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}
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}
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if (unlikely(invalid)) {
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if (unlikely(invalid)) {
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cr = 1 << CRF_SO;
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cr = CRF_SO;
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}
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}
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*r = ret;
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*r = ret;
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@ -2791,7 +2791,7 @@ uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
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cr = bcd_cmp_zero(&ret);
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cr = bcd_cmp_zero(&ret);
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if (unlikely(invalid)) {
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if (unlikely(invalid)) {
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cr = 1 << CRF_SO;
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cr = CRF_SO;
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}
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}
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*r = ret;
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*r = ret;
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@ -2830,11 +2830,11 @@ uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
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cr = bcd_cmp_zero(b);
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cr = bcd_cmp_zero(b);
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if (ox_flag) {
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if (ox_flag) {
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cr |= 1 << CRF_SO;
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cr |= CRF_SO;
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}
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}
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if (unlikely(invalid)) {
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if (unlikely(invalid)) {
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cr = 1 << CRF_SO;
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cr = CRF_SO;
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}
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}
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*r = ret;
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*r = ret;
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@ -612,17 +612,17 @@ static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
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tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
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tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_shli_i32(t1, t1, CRF_LT);
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tcg_gen_shli_i32(t1, t1, CRF_LT_BIT);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
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tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_shli_i32(t1, t1, CRF_GT);
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tcg_gen_shli_i32(t1, t1, CRF_GT_BIT);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
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tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_trunc_tl_i32(t1, t0);
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tcg_gen_shli_i32(t1, t1, CRF_EQ);
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tcg_gen_shli_i32(t1, t1, CRF_EQ_BIT);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);
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tcg_temp_free(t0);
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tcg_temp_free(t0);
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@ -748,7 +748,7 @@ static void gen_cmprb(DisasContext *ctx)
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tcg_gen_and_i32(src2lo, src2lo, src2hi);
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tcg_gen_and_i32(src2lo, src2lo, src2hi);
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tcg_gen_or_i32(crf, crf, src2lo);
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tcg_gen_or_i32(crf, crf, src2lo);
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}
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}
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tcg_gen_shli_i32(crf, crf, CRF_GT);
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tcg_gen_shli_i32(crf, crf, CRF_GT_BIT);
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tcg_temp_free_i32(src1);
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tcg_temp_free_i32(src1);
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tcg_temp_free_i32(src2);
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tcg_temp_free_i32(src2);
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tcg_temp_free_i32(src2lo);
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tcg_temp_free_i32(src2lo);
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@ -2997,7 +2997,7 @@ static void gen_conditional_store(DisasContext *ctx, TCGv EA,
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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l1 = gen_new_label();
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l1 = gen_new_label();
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tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
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tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
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tcg_gen_qemu_st_tl(cpu_gpr[reg], EA, ctx->mem_idx, memop);
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tcg_gen_qemu_st_tl(cpu_gpr[reg], EA, ctx->mem_idx, memop);
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gen_set_label(l1);
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gen_set_label(l1);
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tcg_gen_movi_tl(cpu_reserve, -1);
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tcg_gen_movi_tl(cpu_reserve, -1);
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@ -3091,7 +3091,7 @@ static void gen_stqcx_(DisasContext *ctx)
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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l1 = gen_new_label();
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l1 = gen_new_label();
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tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
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tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
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if (unlikely(ctx->le_mode)) {
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if (unlikely(ctx->le_mode)) {
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gpr1 = cpu_gpr[reg + 1];
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gpr1 = cpu_gpr[reg + 1];
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@ -4272,7 +4272,7 @@ static void gen_slbfee_(DisasContext *ctx)
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l2 = gen_new_label();
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l2 = gen_new_label();
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
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tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
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tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
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tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], CRF_EQ);
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tcg_gen_br(l2);
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tcg_gen_br(l2);
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gen_set_label(l1);
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gen_set_label(l1);
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tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
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tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
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