static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, int32_t cc, int32_t offset) { target_ulong btarget; const char *opn = "cp1 cond branch"; TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); TCGv t1 = tcg_temp_local_new(TCG_TYPE_TL); if (cc != 0) check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); btarget = ctx->pc + 4 + offset; switch (op) { case OPC_BC1F: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_not_tl(t0, t0); tcg_gen_movi_tl(t1, 0x1 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1f"; goto not_likely; case OPC_BC1FL: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_not_tl(t0, t0); tcg_gen_movi_tl(t1, 0x1 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1fl"; goto likely; case OPC_BC1T: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_movi_tl(t1, 0x1 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1t"; goto not_likely; case OPC_BC1TL: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_movi_tl(t1, 0x1 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1tl"; likely: ctx->hflags |= MIPS_HFLAG_BL; tcg_gen_trunc_tl_i32(bcond, t0); break; case OPC_BC1FANY2: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_not_tl(t0, t0); tcg_gen_movi_tl(t1, 0x3 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1any2f"; goto not_likely; case OPC_BC1TANY2: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_movi_tl(t1, 0x3 << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1any2t"; goto not_likely; case OPC_BC1FANY4: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_not_tl(t0, t0); tcg_gen_movi_tl(t1, 0xf << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1any4f"; goto not_likely; case OPC_BC1TANY4: { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I32); get_fp_cond(r_tmp1); tcg_gen_ext_i32_tl(t0, r_tmp1); tcg_temp_free(r_tmp1); tcg_gen_movi_tl(t1, 0xf << cc); tcg_gen_and_tl(t0, t0, t1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); tcg_gen_movi_tl(t0, 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(t0, 1); gen_set_label(l2); } opn = "bc1any4t"; not_likely: ctx->hflags |= MIPS_HFLAG_BC; tcg_gen_trunc_tl_i32(bcond, t0); break; default: MIPS_INVAL(opn); generate_exception (ctx, EXCP_RI); goto out; } MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn, ctx->hflags, btarget); ctx->btarget = btarget; out: tcg_temp_free(t0); tcg_temp_free(t1); }