diff options
| -rw-r--r-- | libpcsxcore/new_dynarec/assem_arm.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c index 6853e9e..708c8ae 100644 --- a/libpcsxcore/new_dynarec/assem_arm.c +++ b/libpcsxcore/new_dynarec/assem_arm.c @@ -1167,18 +1167,30 @@ void emit_addimm(u_int rs,int imm,u_int rt) }else if(genimm(-imm,&armval)) { assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],-imm); output_w32(0xe2400000|rd_rn_rm(rt,rs,0)|armval); - }else if(imm<0) { - assert(imm>-65536); + #ifdef HAVE_ARMV7 + }else if(rt!=rs&&(u_int)imm<65536) { + emit_movw(imm&0x0000ffff,rt); + emit_add(rs,rt,rt); + }else if(rt!=rs&&(u_int)-imm<65536) { + emit_movw(-imm&0x0000ffff,rt); + emit_sub(rs,rt,rt); + #endif + }else if((u_int)-imm<65536) { assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rs],(-imm)&0xFF00); assem_debug("sub %s,%s,#%d\n",regname[rt],regname[rt],(-imm)&0xFF); output_w32(0xe2400000|rd_rn_imm_shift(rt,rs,(-imm)>>8,8)); output_w32(0xe2400000|rd_rn_imm_shift(rt,rt,(-imm)&0xff,0)); - }else{ - assert(imm<65536); - assem_debug("add %s,%s,#%d\n",regname[rt],regname[rs],imm&0xFF00); - assem_debug("add %s,%s,#%d\n",regname[rt],regname[rt],imm&0xFF); - output_w32(0xe2800000|rd_rn_imm_shift(rt,rs,imm>>8,8)); - output_w32(0xe2800000|rd_rn_imm_shift(rt,rt,imm&0xff,0)); + }else { + do { + int shift = (ffs(imm) - 1) & ~1; + int imm8 = imm & (0xff << shift); + genimm_checked(imm8,&armval); + assem_debug("add %s,%s,#0x%x\n",regname[rt],regname[rs],imm8); + output_w32(0xe2800000|rd_rn_rm(rt,rs,0)|armval); + rs = rt; + imm &= ~imm8; + } + while (imm != 0); } } else if(rs!=rt) emit_mov(rs,rt); |