target/cris: Plug leakage of TCG temporaries
Add and fix deallocation of temporary TCG registers in CRIS code generation. Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Change-Id: I17fce5d95bdc4418337ba885d53ba97afb1bafcc Signed-off-by: Stefan Sandström <stefans@axis.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210219124416.28178-1-stefans@axis.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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@ -172,14 +172,20 @@ static int preg_sizes[] = {
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tcg_gen_ld_tl(tn, cpu_env, offsetof(CPUCRISState, member))
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#define t_gen_mov_env_TN(member, tn) \
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tcg_gen_st_tl(tn, cpu_env, offsetof(CPUCRISState, member))
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#define t_gen_movi_env_TN(member, c) \
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do { \
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TCGv tc = tcg_const_tl(c); \
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t_gen_mov_env_TN(member, tc); \
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tcg_temp_free(tc); \
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} while (0)
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static inline void t_gen_mov_TN_preg(TCGv tn, int r)
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{
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assert(r >= 0 && r <= 15);
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if (r == PR_BZ || r == PR_WZ || r == PR_DZ) {
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tcg_gen_mov_tl(tn, tcg_const_tl(0));
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tcg_gen_movi_tl(tn, 0);
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} else if (r == PR_VR) {
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tcg_gen_mov_tl(tn, tcg_const_tl(32));
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tcg_gen_movi_tl(tn, 32);
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} else {
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tcg_gen_mov_tl(tn, cpu_PR[r]);
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}
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@ -256,7 +262,7 @@ static int cris_fetch(CPUCRISState *env, DisasContext *dc, uint32_t addr,
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static void cris_lock_irq(DisasContext *dc)
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{
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dc->clear_locked_irq = 0;
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t_gen_mov_env_TN(locked_irq, tcg_const_tl(1));
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t_gen_movi_env_TN(locked_irq, 1);
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}
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static inline void t_gen_raise_exception(uint32_t index)
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@ -885,8 +891,7 @@ static void gen_tst_cc (DisasContext *dc, TCGv cc, int cond)
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case CC_EQ:
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if ((arith_opt || move_opt)
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&& dc->cc_x_uptodate != (2 | X_FLAG)) {
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tcg_gen_setcond_tl(TCG_COND_EQ, cc,
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cc_result, tcg_const_tl(0));
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tcg_gen_setcondi_tl(TCG_COND_EQ, cc, cc_result, 0);
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} else {
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cris_evaluate_flags(dc);
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tcg_gen_andi_tl(cc,
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@ -1330,14 +1335,17 @@ static int dec_addoq(CPUCRISState *env, DisasContext *dc)
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}
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static int dec_addq(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c;
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LOG_DIS("addq %u, $r%u\n", dc->op1, dc->op2);
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
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cris_cc_mask(dc, CC_MASK_NZVC);
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c = tcg_const_tl(dc->op1);
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cris_alu(dc, CC_OP_ADD,
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cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
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cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
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tcg_temp_free(c);
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return 2;
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}
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static int dec_moveq(CPUCRISState *env, DisasContext *dc)
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@ -1353,62 +1361,77 @@ static int dec_moveq(CPUCRISState *env, DisasContext *dc)
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}
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static int dec_subq(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c;
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
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LOG_DIS("subq %u, $r%u\n", dc->op1, dc->op2);
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cris_cc_mask(dc, CC_MASK_NZVC);
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c = tcg_const_tl(dc->op1);
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cris_alu(dc, CC_OP_SUB,
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cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
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cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
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tcg_temp_free(c);
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return 2;
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}
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static int dec_cmpq(CPUCRISState *env, DisasContext *dc)
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{
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uint32_t imm;
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TCGv c;
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
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imm = sign_extend(dc->op1, 5);
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LOG_DIS("cmpq %d, $r%d\n", imm, dc->op2);
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cris_cc_mask(dc, CC_MASK_NZVC);
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c = tcg_const_tl(imm);
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cris_alu(dc, CC_OP_CMP,
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cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
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cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
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tcg_temp_free(c);
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return 2;
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}
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static int dec_andq(CPUCRISState *env, DisasContext *dc)
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{
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uint32_t imm;
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TCGv c;
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
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imm = sign_extend(dc->op1, 5);
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LOG_DIS("andq %d, $r%d\n", imm, dc->op2);
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cris_cc_mask(dc, CC_MASK_NZ);
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c = tcg_const_tl(imm);
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cris_alu(dc, CC_OP_AND,
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cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
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cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
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tcg_temp_free(c);
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return 2;
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}
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static int dec_orq(CPUCRISState *env, DisasContext *dc)
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{
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uint32_t imm;
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TCGv c;
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
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imm = sign_extend(dc->op1, 5);
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LOG_DIS("orq %d, $r%d\n", imm, dc->op2);
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cris_cc_mask(dc, CC_MASK_NZ);
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c = tcg_const_tl(imm);
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cris_alu(dc, CC_OP_OR,
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cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
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cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
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tcg_temp_free(c);
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return 2;
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}
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static int dec_btstq(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c;
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dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4);
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LOG_DIS("btstq %u, $r%d\n", dc->op1, dc->op2);
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cris_cc_mask(dc, CC_MASK_NZ);
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c = tcg_const_tl(dc->op1);
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cris_evaluate_flags(dc);
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gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2],
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tcg_const_tl(dc->op1), cpu_PR[PR_CCS]);
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gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2],
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c, cpu_PR[PR_CCS]);
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tcg_temp_free(c);
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cris_alu(dc, CC_OP_MOVE,
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cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4);
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cris_update_cc_op(dc, CC_OP_FLAGS, 4);
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@ -1558,7 +1581,7 @@ static int dec_lsl_r(CPUCRISState *env, DisasContext *dc)
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dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
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tcg_gen_andi_tl(t[1], t[1], 63);
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cris_alu(dc, CC_OP_LSL, cpu_R[dc->op2], t[0], t[1], size);
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cris_alu_alloc_temps(dc, size, t);
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cris_alu_free_temps(dc, size, t);
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return 2;
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}
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@ -1624,7 +1647,7 @@ static int dec_mulu_r(CPUCRISState *env, DisasContext *dc)
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dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
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cris_alu(dc, CC_OP_MULU, cpu_R[dc->op2], t[0], t[1], 4);
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cris_alu_alloc_temps(dc, size, t);
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cris_alu_free_temps(dc, size, t);
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return 2;
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}
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@ -1806,7 +1829,7 @@ static int dec_addi_r(CPUCRISState *env, DisasContext *dc)
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memsize_char(memsize_zz(dc)), dc->op2, dc->op1);
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cris_cc_mask(dc, 0);
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t0 = tcg_temp_new();
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tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
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tcg_gen_shli_tl(t0, cpu_R[dc->op2], dc->zzsize);
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tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], t0);
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tcg_temp_free(t0);
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return 2;
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@ -1819,7 +1842,7 @@ static int dec_addi_acr(CPUCRISState *env, DisasContext *dc)
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memsize_char(memsize_zz(dc)), dc->op2, dc->op1);
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cris_cc_mask(dc, 0);
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t0 = tcg_temp_new();
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tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
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tcg_gen_shli_tl(t0, cpu_R[dc->op2], dc->zzsize);
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tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], t0);
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tcg_temp_free(t0);
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return 2;
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@ -2051,18 +2074,26 @@ static int dec_setclrf(CPUCRISState *env, DisasContext *dc)
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static int dec_move_rs(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c2, c1;
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LOG_DIS("move $r%u, $s%u\n", dc->op1, dc->op2);
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c1 = tcg_const_tl(dc->op1);
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c2 = tcg_const_tl(dc->op2);
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cris_cc_mask(dc, 0);
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gen_helper_movl_sreg_reg(cpu_env, tcg_const_tl(dc->op2),
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tcg_const_tl(dc->op1));
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gen_helper_movl_sreg_reg(cpu_env, c2, c1);
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tcg_temp_free(c1);
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tcg_temp_free(c2);
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return 2;
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}
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static int dec_move_sr(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c2, c1;
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LOG_DIS("move $s%u, $r%u\n", dc->op2, dc->op1);
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c1 = tcg_const_tl(dc->op1);
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c2 = tcg_const_tl(dc->op2);
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cris_cc_mask(dc, 0);
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gen_helper_movl_reg_sreg(cpu_env, tcg_const_tl(dc->op1),
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tcg_const_tl(dc->op2));
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gen_helper_movl_reg_sreg(cpu_env, c1, c2);
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tcg_temp_free(c1);
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tcg_temp_free(c2);
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return 2;
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}
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@ -2345,7 +2376,7 @@ static int dec_cmp_m(CPUCRISState *env, DisasContext *dc)
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static int dec_test_m(CPUCRISState *env, DisasContext *dc)
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{
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TCGv t[2];
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TCGv t[2], c;
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int memsize = memsize_zz(dc);
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int insn_len;
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LOG_DIS("test.%c [$r%u%s] op2=%x\n",
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@ -2360,8 +2391,10 @@ static int dec_test_m(CPUCRISState *env, DisasContext *dc)
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cris_cc_mask(dc, CC_MASK_NZ);
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tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3);
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c = tcg_const_tl(0);
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cris_alu(dc, CC_OP_CMP,
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cpu_R[dc->op2], t[1], tcg_const_tl(0), memsize_zz(dc));
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cpu_R[dc->op2], t[1], c, memsize_zz(dc));
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tcg_temp_free(c);
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do_postinc(dc, memsize);
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cris_alu_m_free_temps(t);
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return insn_len;
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@ -2713,6 +2746,7 @@ static int dec_jump_p(CPUCRISState *env, DisasContext *dc)
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/* Jump and save. */
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static int dec_jas_r(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c;
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LOG_DIS("jas $r%u, $p%u\n", dc->op1, dc->op2);
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cris_cc_mask(dc, 0);
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/* Store the return address in Pd. */
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@ -2720,7 +2754,9 @@ static int dec_jas_r(CPUCRISState *env, DisasContext *dc)
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if (dc->op2 > 15) {
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abort();
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}
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4));
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c = tcg_const_tl(dc->pc + 4);
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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cris_prepare_jmp(dc, JMP_INDIRECT);
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return 2;
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@ -2729,13 +2765,16 @@ static int dec_jas_r(CPUCRISState *env, DisasContext *dc)
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static int dec_jas_im(CPUCRISState *env, DisasContext *dc)
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{
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uint32_t imm;
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TCGv c;
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imm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
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LOG_DIS("jas 0x%x\n", imm);
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cris_cc_mask(dc, 0);
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c = tcg_const_tl(dc->pc + 8);
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/* Store the return address in Pd. */
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8));
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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dc->jmp_pc = imm;
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cris_prepare_jmp(dc, JMP_DIRECT);
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@ -2745,13 +2784,16 @@ static int dec_jas_im(CPUCRISState *env, DisasContext *dc)
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static int dec_jasc_im(CPUCRISState *env, DisasContext *dc)
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{
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uint32_t imm;
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TCGv c;
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imm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
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LOG_DIS("jasc 0x%x\n", imm);
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cris_cc_mask(dc, 0);
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c = tcg_const_tl(dc->pc + 8 + 4);
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/* Store the return address in Pd. */
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8 + 4));
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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dc->jmp_pc = imm;
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cris_prepare_jmp(dc, JMP_DIRECT);
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@ -2760,11 +2802,14 @@ static int dec_jasc_im(CPUCRISState *env, DisasContext *dc)
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static int dec_jasc_r(CPUCRISState *env, DisasContext *dc)
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{
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TCGv c;
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LOG_DIS("jasc_r $r%u, $p%u\n", dc->op1, dc->op2);
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cris_cc_mask(dc, 0);
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/* Store the return address in Pd. */
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tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]);
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4 + 4));
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c = tcg_const_tl(dc->pc + 4 + 4);
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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cris_prepare_jmp(dc, JMP_INDIRECT);
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return 2;
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}
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@ -2789,13 +2834,16 @@ static int dec_bcc_im(CPUCRISState *env, DisasContext *dc)
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static int dec_bas_im(CPUCRISState *env, DisasContext *dc)
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{
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int32_t simm;
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TCGv c;
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simm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
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LOG_DIS("bas 0x%x, $p%u\n", dc->pc + simm, dc->op2);
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cris_cc_mask(dc, 0);
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c = tcg_const_tl(dc->pc + 8);
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/* Store the return address in Pd. */
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8));
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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dc->jmp_pc = dc->pc + simm;
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cris_prepare_jmp(dc, JMP_DIRECT);
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@ -2805,12 +2853,15 @@ static int dec_bas_im(CPUCRISState *env, DisasContext *dc)
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static int dec_basc_im(CPUCRISState *env, DisasContext *dc)
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{
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int32_t simm;
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TCGv c;
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simm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
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LOG_DIS("basc 0x%x, $p%u\n", dc->pc + simm, dc->op2);
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cris_cc_mask(dc, 0);
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c = tcg_const_tl(dc->pc + 12);
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/* Store the return address in Pd. */
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t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 12));
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t_gen_mov_preg_TN(dc, dc->op2, c);
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tcg_temp_free(c);
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dc->jmp_pc = dc->pc + simm;
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cris_prepare_jmp(dc, JMP_DIRECT);
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@ -2851,8 +2902,7 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc)
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tcg_gen_movi_tl(env_pc, dc->pc + 2);
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/* Breaks start at 16 in the exception vector. */
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t_gen_mov_env_TN(trap_vector,
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tcg_const_tl(dc->op1 + 16));
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t_gen_movi_env_TN(trap_vector, dc->op1 + 16);
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t_gen_raise_exception(EXCP_BREAK);
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dc->is_jmp = DISAS_UPDATE;
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break;
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@ -3026,7 +3076,7 @@ static unsigned int crisv32_decoder(CPUCRISState *env, DisasContext *dc)
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tcg_gen_brcondi_tl(TCG_COND_NE, cpu_PR[PR_SPC], dc->pc, l1);
|
||||
/* We treat SPC as a break with an odd trap vector. */
|
||||
cris_evaluate_flags(dc);
|
||||
t_gen_mov_env_TN(trap_vector, tcg_const_tl(3));
|
||||
t_gen_movi_env_TN(trap_vector, 3);
|
||||
tcg_gen_movi_tl(env_pc, dc->pc + insn_len);
|
||||
tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len);
|
||||
t_gen_raise_exception(EXCP_BREAK);
|
||||
@ -3170,7 +3220,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
|
||||
dc->delayed_branch--;
|
||||
if (dc->delayed_branch == 0) {
|
||||
if (tb->flags & 7) {
|
||||
t_gen_mov_env_TN(dslot, tcg_const_tl(0));
|
||||
t_gen_movi_env_TN(dslot, 0);
|
||||
}
|
||||
if (dc->cpustate_changed || !dc->flagx_known
|
||||
|| (dc->flags_x != (tb->flags & X_FLAG))) {
|
||||
@ -3179,7 +3229,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
|
||||
|
||||
if (dc->clear_locked_irq) {
|
||||
dc->clear_locked_irq = 0;
|
||||
t_gen_mov_env_TN(locked_irq, tcg_const_tl(0));
|
||||
t_gen_movi_env_TN(locked_irq, 0);
|
||||
}
|
||||
|
||||
if (dc->jmp == JMP_DIRECT_CC) {
|
||||
@ -3200,7 +3250,9 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
|
||||
dc->is_jmp = DISAS_TB_JUMP;
|
||||
dc->jmp = JMP_NOJMP;
|
||||
} else {
|
||||
t_gen_cc_jmp(env_btarget, tcg_const_tl(dc->pc));
|
||||
TCGv c = tcg_const_tl(dc->pc);
|
||||
t_gen_cc_jmp(env_btarget, c);
|
||||
tcg_temp_free(c);
|
||||
dc->is_jmp = DISAS_JUMP;
|
||||
}
|
||||
break;
|
||||
@ -3219,7 +3271,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
|
||||
&& num_insns < max_insns);
|
||||
|
||||
if (dc->clear_locked_irq) {
|
||||
t_gen_mov_env_TN(locked_irq, tcg_const_tl(0));
|
||||
t_gen_movi_env_TN(locked_irq, 0);
|
||||
}
|
||||
|
||||
npc = dc->pc;
|
||||
@ -3234,7 +3286,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
|
||||
/* Broken branch+delayslot sequence. */
|
||||
if (dc->delayed_branch == 1) {
|
||||
/* Set env->dslot to the size of the branch insn. */
|
||||
t_gen_mov_env_TN(dslot, tcg_const_tl(dc->pc - dc->ppc));
|
||||
t_gen_movi_env_TN(dslot, dc->pc - dc->ppc);
|
||||
cris_store_direct_jmp(dc);
|
||||
}
|
||||
|
||||
|
@ -228,6 +228,7 @@ static unsigned int dec10_quick_imm(DisasContext *dc)
|
||||
{
|
||||
int32_t imm, simm;
|
||||
int op;
|
||||
TCGv c;
|
||||
|
||||
/* sign extend. */
|
||||
imm = dc->ir & ((1 << 6) - 1);
|
||||
@ -254,29 +255,37 @@ static unsigned int dec10_quick_imm(DisasContext *dc)
|
||||
LOG_DIS("moveq %d, $r%d\n", simm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(simm);
|
||||
cris_alu(dc, CC_OP_MOVE, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(simm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_CMPQ:
|
||||
LOG_DIS("cmpq %d, $r%d\n", simm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(simm);
|
||||
cris_alu(dc, CC_OP_CMP, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(simm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_ADDQ:
|
||||
LOG_DIS("addq %d, $r%d\n", imm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(imm);
|
||||
cris_alu(dc, CC_OP_ADD, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(imm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_ANDQ:
|
||||
LOG_DIS("andq %d, $r%d\n", simm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(simm);
|
||||
cris_alu(dc, CC_OP_AND, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(simm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_ASHQ:
|
||||
LOG_DIS("ashq %d, $r%d\n", simm, dc->dst);
|
||||
@ -284,15 +293,17 @@ static unsigned int dec10_quick_imm(DisasContext *dc)
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
op = imm & (1 << 5);
|
||||
imm &= 0x1f;
|
||||
c = tcg_const_tl(imm);
|
||||
if (op) {
|
||||
cris_alu(dc, CC_OP_ASR, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(imm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
} else {
|
||||
/* BTST */
|
||||
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
|
||||
gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->dst],
|
||||
tcg_const_tl(imm), cpu_PR[PR_CCS]);
|
||||
c, cpu_PR[PR_CCS]);
|
||||
}
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_LSHQ:
|
||||
LOG_DIS("lshq %d, $r%d\n", simm, dc->dst);
|
||||
@ -303,22 +314,28 @@ static unsigned int dec10_quick_imm(DisasContext *dc)
|
||||
}
|
||||
imm &= 0x1f;
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(imm);
|
||||
cris_alu(dc, op, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(imm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_SUBQ:
|
||||
LOG_DIS("subq %d, $r%d\n", imm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(imm);
|
||||
cris_alu(dc, CC_OP_SUB, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(imm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
case CRISV10_QIMM_ORQ:
|
||||
LOG_DIS("andq %d, $r%d\n", simm, dc->dst);
|
||||
|
||||
cris_cc_mask(dc, CC_MASK_NZVC);
|
||||
c = tcg_const_tl(simm);
|
||||
cris_alu(dc, CC_OP_OR, cpu_R[dc->dst],
|
||||
cpu_R[dc->dst], tcg_const_tl(simm), 4);
|
||||
cpu_R[dc->dst], c, 4);
|
||||
tcg_temp_free(c);
|
||||
break;
|
||||
|
||||
case CRISV10_QIMM_BCC_R0:
|
||||
@ -760,7 +777,6 @@ static unsigned int dec10_ind_move_m_r(CPUCRISState *env, DisasContext *dc,
|
||||
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
|
||||
cris_prepare_jmp(dc, JMP_INDIRECT);
|
||||
dc->delayed_branch = 1;
|
||||
return insn_len;
|
||||
}
|
||||
|
||||
tcg_temp_free(t);
|
||||
@ -777,6 +793,7 @@ static unsigned int dec10_ind_move_r_m(DisasContext *dc, unsigned int size)
|
||||
crisv10_prepare_memaddr(dc, addr, size);
|
||||
gen_store_v10(dc, addr, cpu_R[dc->dst], size);
|
||||
insn_len += crisv10_post_memaddr(dc, size);
|
||||
tcg_temp_free(addr);
|
||||
|
||||
return insn_len;
|
||||
}
|
||||
@ -796,11 +813,10 @@ static unsigned int dec10_ind_move_m_pr(CPUCRISState *env, DisasContext *dc)
|
||||
tcg_gen_mov_tl(env_btarget, t);
|
||||
cris_prepare_jmp(dc, JMP_INDIRECT);
|
||||
dc->delayed_branch = 1;
|
||||
return insn_len;
|
||||
} else {
|
||||
tcg_gen_mov_tl(cpu_PR[rd], t);
|
||||
dc->cpustate_changed = 1;
|
||||
}
|
||||
|
||||
tcg_gen_mov_tl(cpu_PR[rd], t);
|
||||
dc->cpustate_changed = 1;
|
||||
tcg_temp_free(addr);
|
||||
tcg_temp_free(t);
|
||||
return insn_len;
|
||||
@ -824,8 +840,8 @@ static unsigned int dec10_ind_move_pr_m(DisasContext *dc)
|
||||
} else {
|
||||
gen_store_v10(dc, addr, cpu_PR[dc->dst], size);
|
||||
}
|
||||
t0 = tcg_temp_new();
|
||||
insn_len += crisv10_post_memaddr(dc, size);
|
||||
tcg_temp_free(addr);
|
||||
cris_lock_irq(dc);
|
||||
|
||||
return insn_len;
|
||||
@ -927,7 +943,6 @@ static int dec10_ind_bound(CPUCRISState *env, DisasContext *dc,
|
||||
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
|
||||
cris_prepare_jmp(dc, JMP_INDIRECT);
|
||||
dc->delayed_branch = 1;
|
||||
return insn_len;
|
||||
}
|
||||
|
||||
tcg_temp_free(t);
|
||||
@ -953,7 +968,6 @@ static int dec10_alux_m(CPUCRISState *env, DisasContext *dc, int op)
|
||||
tcg_gen_mov_tl(env_btarget, cpu_R[dc->dst]);
|
||||
cris_prepare_jmp(dc, JMP_INDIRECT);
|
||||
dc->delayed_branch = 1;
|
||||
return insn_len;
|
||||
}
|
||||
|
||||
tcg_temp_free(t);
|
||||
@ -1020,7 +1034,7 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
unsigned int size = dec10_size(dc->size);
|
||||
uint32_t imm;
|
||||
int32_t simm;
|
||||
TCGv t[2];
|
||||
TCGv t[2], c;
|
||||
|
||||
if (dc->size != 3) {
|
||||
switch (dc->opcode) {
|
||||
@ -1041,8 +1055,10 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
cris_alu_m_alloc_temps(t);
|
||||
insn_len += dec10_prep_move_m(env, dc, 0, size, t[0]);
|
||||
tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3);
|
||||
c = tcg_const_tl(0);
|
||||
cris_alu(dc, CC_OP_CMP, cpu_R[dc->dst],
|
||||
t[0], tcg_const_tl(0), size);
|
||||
t[0], c, size);
|
||||
tcg_temp_free(c);
|
||||
cris_alu_m_free_temps(t);
|
||||
break;
|
||||
case CRISV10_IND_ADD:
|
||||
@ -1138,7 +1154,9 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
if (dc->mode == CRISV10_MODE_AUTOINC)
|
||||
insn_len += size;
|
||||
|
||||
t_gen_mov_preg_TN(dc, dc->dst, tcg_const_tl(dc->pc + insn_len));
|
||||
c = tcg_const_tl(dc->pc + insn_len);
|
||||
t_gen_mov_preg_TN(dc, dc->dst, c);
|
||||
tcg_temp_free(c);
|
||||
dc->jmp_pc = imm;
|
||||
cris_prepare_jmp(dc, JMP_DIRECT);
|
||||
dc->delayed_branch--; /* v10 has no dslot here. */
|
||||
@ -1147,7 +1165,9 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
LOG_DIS("break %d\n", dc->src);
|
||||
cris_evaluate_flags(dc);
|
||||
tcg_gen_movi_tl(env_pc, dc->pc + 2);
|
||||
t_gen_mov_env_TN(trap_vector, tcg_const_tl(dc->src + 2));
|
||||
c = tcg_const_tl(dc->src + 2);
|
||||
t_gen_mov_env_TN(trap_vector, c);
|
||||
tcg_temp_free(c);
|
||||
t_gen_raise_exception(EXCP_BREAK);
|
||||
dc->is_jmp = DISAS_UPDATE;
|
||||
return insn_len;
|
||||
@ -1155,7 +1175,9 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
LOG_DIS("%d: jump.%d %d r%d r%d\n", __LINE__, size,
|
||||
dc->opcode, dc->src, dc->dst);
|
||||
t[0] = tcg_temp_new();
|
||||
t_gen_mov_preg_TN(dc, dc->dst, tcg_const_tl(dc->pc + insn_len));
|
||||
c = tcg_const_tl(dc->pc + insn_len);
|
||||
t_gen_mov_preg_TN(dc, dc->dst, c);
|
||||
tcg_temp_free(c);
|
||||
crisv10_prepare_memaddr(dc, t[0], size);
|
||||
gen_load(dc, env_btarget, t[0], 4, 0);
|
||||
insn_len += crisv10_post_memaddr(dc, size);
|
||||
@ -1178,7 +1200,9 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
|
||||
LOG_DIS("jmp pc=%x opcode=%d r%d r%d\n",
|
||||
dc->pc, dc->opcode, dc->dst, dc->src);
|
||||
tcg_gen_mov_tl(env_btarget, cpu_R[dc->src]);
|
||||
t_gen_mov_preg_TN(dc, dc->dst, tcg_const_tl(dc->pc + insn_len));
|
||||
c = tcg_const_tl(dc->pc + insn_len);
|
||||
t_gen_mov_preg_TN(dc, dc->dst, c);
|
||||
tcg_temp_free(c);
|
||||
cris_prepare_jmp(dc, JMP_INDIRECT);
|
||||
dc->delayed_branch--; /* v10 has no dslot here. */
|
||||
break;
|
||||
|
Loading…
Reference in New Issue
Block a user