/* Branches (before delay slot) */
static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
+ int insn_bytes,
int rs, int rt, int32_t offset)
{
target_ulong btgt = -1;
gen_load_gpr(t1, rt);
bcond_compute = 1;
}
- btgt = ctx->pc + 4 + offset;
+ btgt = ctx->pc + insn_bytes + offset;
break;
case OPC_BGEZ:
case OPC_BGEZAL:
gen_load_gpr(t0, rs);
bcond_compute = 1;
}
- btgt = ctx->pc + 4 + offset;
+ btgt = ctx->pc + insn_bytes + offset;
break;
case OPC_J:
case OPC_JAL:
/* Jump to immediate */
- btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset;
+ btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
break;
case OPC_JR:
case OPC_JALR:
gen_muldiv(ctx, op1, rs, rt);
break;
case OPC_JR ... OPC_JALR:
- gen_compute_branch(ctx, op1, rs, rd, sa);
+ gen_compute_branch(ctx, op1, 4, rs, rd, sa);
return;
case OPC_TGE ... OPC_TEQ: /* Traps */
case OPC_TNE:
switch (op1) {
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
case OPC_BLTZAL ... OPC_BGEZALL:
- gen_compute_branch(ctx, op1, rs, -1, imm << 2);
+ gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2);
return;
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
case OPC_TNEI:
break;
case OPC_J ... OPC_JAL: /* Jump */
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
- gen_compute_branch(ctx, op, rs, rt, offset);
+ gen_compute_branch(ctx, op, 4, rs, rt, offset);
return;
case OPC_BEQ ... OPC_BGTZ: /* Branch */
case OPC_BEQL ... OPC_BGTZL:
- gen_compute_branch(ctx, op, rs, rt, imm << 2);
+ gen_compute_branch(ctx, op, 4, rs, rt, imm << 2);
return;
case OPC_LB ... OPC_LWR: /* Load and stores */
case OPC_SB ... OPC_SW: