diff options
Diffstat (limited to 'target-sh4/op_helper.c')
| -rw-r--r-- | target-sh4/op_helper.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c index 524d7f67a4..cbc11aeccd 100644 --- a/target-sh4/op_helper.c +++ b/target-sh4/op_helper.c @@ -156,124 +156,6 @@ void helper_ocbi(CPUSH4State *env, uint32_t address) } } -#define T (env->sr_t) -#define Q (env->sr & (1u << SR_Q) ? 1 : 0) -#define M (env->sr & (1u << SR_M) ? 1 : 0) -#define SETT (env->sr_t = 1) -#define CLRT (env->sr_t = 0) -#define SETQ (env->sr |= (1u << SR_Q)) -#define CLRQ (env->sr &= ~(1u << SR_Q)) -#define SETM (env->sr |= (1u << SR_M)) -#define CLRM (env->sr &= ~(1u << SR_M)) - -uint32_t helper_div1(CPUSH4State *env, uint32_t arg0, uint32_t arg1) -{ - uint32_t tmp0, tmp2; - uint8_t old_q, tmp1 = 0xff; - - //printf("div1 arg0=0x%08x arg1=0x%08x M=%d Q=%d T=%d\n", arg0, arg1, M, Q, T); - old_q = Q; - if ((0x80000000 & arg1) != 0) - SETQ; - else - CLRQ; - tmp2 = arg0; - arg1 <<= 1; - arg1 |= T; - switch (old_q) { - case 0: - switch (M) { - case 0: - tmp0 = arg1; - arg1 -= tmp2; - tmp1 = arg1 > tmp0; - switch (Q) { - case 0: - if (tmp1) - SETQ; - else - CLRQ; - break; - case 1: - if (tmp1 == 0) - SETQ; - else - CLRQ; - break; - } - break; - case 1: - tmp0 = arg1; - arg1 += tmp2; - tmp1 = arg1 < tmp0; - switch (Q) { - case 0: - if (tmp1 == 0) - SETQ; - else - CLRQ; - break; - case 1: - if (tmp1) - SETQ; - else - CLRQ; - break; - } - break; - } - break; - case 1: - switch (M) { - case 0: - tmp0 = arg1; - arg1 += tmp2; - tmp1 = arg1 < tmp0; - switch (Q) { - case 0: - if (tmp1) - SETQ; - else - CLRQ; - break; - case 1: - if (tmp1 == 0) - SETQ; - else - CLRQ; - break; - } - break; - case 1: - tmp0 = arg1; - arg1 -= tmp2; - tmp1 = arg1 > tmp0; - switch (Q) { - case 0: - if (tmp1 == 0) - SETQ; - else - CLRQ; - break; - case 1: - if (tmp1) - SETQ; - else - CLRQ; - break; - } - break; - } - break; - } - if (Q == M) - SETT; - else - CLRT; - //printf("Output: arg1=0x%08x M=%d Q=%d T=%d\n", arg1, M, Q, T); - return arg1; -} - void helper_macl(CPUSH4State *env, uint32_t arg0, uint32_t arg1) { int64_t res; |