diff options
Diffstat (limited to 'target-sh4/op_helper.c')
| -rw-r--r-- | target-sh4/op_helper.c | 148 |
1 files changed, 6 insertions, 142 deletions
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c index 74a5c4ea77..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 & SR_T) -#define Q (env->sr & SR_Q ? 1 : 0) -#define M (env->sr & SR_M ? 1 : 0) -#define SETT env->sr |= SR_T -#define CLRT env->sr &= ~SR_T -#define SETQ env->sr |= SR_Q -#define CLRQ env->sr &= ~SR_Q -#define SETM env->sr |= SR_M -#define CLRM env->sr &= ~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; @@ -282,7 +164,7 @@ void helper_macl(CPUSH4State *env, uint32_t arg0, uint32_t arg1) res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1; env->mach = (res >> 32) & 0xffffffff; env->macl = res & 0xffffffff; - if (env->sr & SR_S) { + if (env->sr & (1u << SR_S)) { if (res < 0) env->mach |= 0xffff0000; else @@ -298,7 +180,7 @@ void helper_macw(CPUSH4State *env, uint32_t arg0, uint32_t arg1) res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1; env->mach = (res >> 32) & 0xffffffff; env->macl = res & 0xffffffff; - if (env->sr & SR_S) { + if (env->sr & (1u << SR_S)) { if (res < -0x80000000) { env->mach = 1; env->macl = 0x80000000; @@ -309,16 +191,6 @@ void helper_macw(CPUSH4State *env, uint32_t arg0, uint32_t arg1) } } -static inline void set_t(CPUSH4State *env) -{ - env->sr |= SR_T; -} - -static inline void clr_t(CPUSH4State *env) -{ - env->sr &= ~SR_T; -} - void helper_ld_fpscr(CPUSH4State *env, uint32_t val) { env->fpscr = val & FPSCR_MASK; @@ -403,10 +275,8 @@ void helper_fcmp_eq_FT(CPUSH4State *env, float32 t0, float32 t1) relation = float32_compare(t0, t1, &env->fp_status); if (unlikely(relation == float_relation_unordered)) { update_fpscr(env, GETPC()); - } else if (relation == float_relation_equal) { - set_t(env); } else { - clr_t(env); + env->sr_t = (relation == float_relation_equal); } } @@ -418,10 +288,8 @@ void helper_fcmp_eq_DT(CPUSH4State *env, float64 t0, float64 t1) relation = float64_compare(t0, t1, &env->fp_status); if (unlikely(relation == float_relation_unordered)) { update_fpscr(env, GETPC()); - } else if (relation == float_relation_equal) { - set_t(env); } else { - clr_t(env); + env->sr_t = (relation == float_relation_equal); } } @@ -433,10 +301,8 @@ void helper_fcmp_gt_FT(CPUSH4State *env, float32 t0, float32 t1) relation = float32_compare(t0, t1, &env->fp_status); if (unlikely(relation == float_relation_unordered)) { update_fpscr(env, GETPC()); - } else if (relation == float_relation_greater) { - set_t(env); } else { - clr_t(env); + env->sr_t = (relation == float_relation_greater); } } @@ -448,10 +314,8 @@ void helper_fcmp_gt_DT(CPUSH4State *env, float64 t0, float64 t1) relation = float64_compare(t0, t1, &env->fp_status); if (unlikely(relation == float_relation_unordered)) { update_fpscr(env, GETPC()); - } else if (relation == float_relation_greater) { - set_t(env); } else { - clr_t(env); + env->sr_t = (relation == float_relation_greater); } } |