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various smallish optimizations, cleanups, and bug fixes

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This commit is contained in:
kub 2019-09-17 22:48:32 +02:00
parent fe344bd3d8
commit f53e166cf4
8 changed files with 109 additions and 35 deletions
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24
cpu/sh2/compiler.c
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@ -2920,6 +2920,7 @@ static void REGPARM(2) *sh2_translate(SH2 *sh2, int tcache_id)
// mark memory for overwrite detection
dr_mark_memory(1, block, tcache_id, 0);
block->active = 1;
emith_update_cache();
return block->entryp[0].tcache_ptr;
}
@ -3113,8 +3114,15 @@ static void REGPARM(2) *sh2_translate(SH2 *sh2, int tcache_id)
tmp = rcache_get_tmp_arg(0);
sr = rcache_get_reg(SHR_SR, RC_GR_READ, NULL);
emith_cmp_r_imm(sr, 0);
emith_move_r_imm_c(DCOND_LE, tmp, pc);
emith_jump_cond(DCOND_LE, sh2_drc_exit);
if (emith_jump_cond_inrange(sh2_drc_exit)) {
emith_move_r_imm_c(DCOND_LE, tmp, pc);
emith_jump_cond(DCOND_LE, sh2_drc_exit);
} else {
EMITH_JMP_START(DCOND_GT);
emith_move_r_imm(tmp, pc);
emith_jump(sh2_drc_exit);
EMITH_JMP_END(DCOND_GT);
}
rcache_free_tmp(tmp);
#if (DRC_DEBUG & 32)
@ -3249,7 +3257,7 @@ static void REGPARM(2) *sh2_translate(SH2 *sh2, int tcache_id)
}
}
rcache_set_usage_now(opd[0].source); // current insn
rcache_set_usage_soon(late); // insns 1-3
rcache_set_usage_soon(soon); // insns 1-3
rcache_set_usage_late(late & ~soon); // insns 4-9
rcache_set_usage_discard(write & ~(late|soon) & ~opd[0].source);
@ -4442,12 +4450,16 @@ end_op:
fflush(stdout);
#endif
emith_update_cache();
return block_entry_ptr;
}
static void sh2_generate_utils(void)
{
int arg0, arg1, arg2, arg3, sr, tmp, tmp2;
#if DRC_DEBUG
int hic = host_insn_count; // don't count utils for insn statistics
#endif
host_arg2reg(arg0, 0);
host_arg2reg(arg1, 1);
@ -4794,6 +4806,10 @@ static void sh2_generate_utils(void)
host_dasm_new_symbol(sh2_drc_read16_poll);
host_dasm_new_symbol(sh2_drc_read32_poll);
#endif
#if DRC_DEBUG
host_insn_count = hic;
#endif
}
static void sh2_smc_rm_block_entry(struct block_desc *bd, int tcache_id, u32 nolit, int free)
@ -4847,6 +4863,7 @@ static void sh2_smc_rm_block_entry(struct block_desc *bd, int tcache_id, u32 nol
bd->addr = bd->size = bd->addr_lit = bd->size_lit = 0;
bd->entry_count = 0;
}
emith_update_cache();
}
static void sh2_smc_rm_blocks(u32 a, int tcache_id, u32 shift)
@ -5197,6 +5214,7 @@ int sh2_drc_init(SH2 *sh2)
tcache_ptr = tcache;
sh2_generate_utils();
host_instructions_updated(tcache, tcache_ptr);
emith_update_cache();
tcache_bases[0] = tcache_ptrs[0] = tcache_ptr;
tcache_limit[0] = tcache_bases[0] + tcache_sizes[0] - (tcache_ptr-tcache);