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Re: [PATCH] Correct CRIS TCG register lifetime management
From: |
Edgar E. Iglesias |
Subject: |
Re: [PATCH] Correct CRIS TCG register lifetime management |
Date: |
Thu, 18 Feb 2021 11:24:00 +0100 |
On Thu, Feb 18, 2021 at 08:56:43AM +0000, Stefan Sandström wrote:
> From: Stefan Sandstrom <stefans@axis.com>
>
> Add and fix deallocation of temporary TCG registers in CRIS code
> generation.
Thanks Stefan,
Unfortunately, this patch does not apply. I'm not sure why.
Perhaps it got corrupted by the email systems along the way.
git am -s ~/Mail/stefan.sandstrom
Applying: Correct CRIS TCG register lifetime management
error: corrupt patch at line 11
Patch failed at 0001 Correct CRIS TCG register lifetime management
hint: Use 'git am --show-current-patch' to see the failed patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-mailer: Apple Mail (2.3654.40.0.2.32)
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
How did you send out the patch? Can you try git-send-email?
Best regards,
Edgar
>
> Change-Id: I17fce5d95bdc4418337ba885d53ba97afb1bafcc
> Signed-off-by: Stefan Sandstrom <stefans@axis.com>
> ---
> target/cris/translate.c | 146 ++++++++++++++++++++++++++++++----------
> target/cris/translate_v10.c.inc | 70 ++++++++++++-------
> 2 files changed, 156 insertions(+), 60 deletions(-)
>
> diff --git a/target/cris/translate.c b/target/cris/translate.c
> index c893f87..ae903a5 100644
> --- a/target/cris/translate.c
> +++ b/target/cris/translate.c
> @@ -177,9 +177,13 @@ static inline void t_gen_mov_TN_preg(TCGv tn, int r)
> {
> assert(r >= 0 && r <= 15);
> if (r == PR_BZ || r == PR_WZ || r == PR_DZ) {
> - tcg_gen_mov_tl(tn, tcg_const_tl(0));
> + TCGv c0 = tcg_const_tl(0);
> + tcg_gen_mov_tl(tn, c0);
> + tcg_temp_free(c0);
> } else if (r == PR_VR) {
> - tcg_gen_mov_tl(tn, tcg_const_tl(32));
> + TCGv c32 = tcg_const_tl(32);
> + tcg_gen_mov_tl(tn, c32);
> + tcg_temp_free(c32);
> } else {
> tcg_gen_mov_tl(tn, cpu_PR[r]);
> }
> @@ -255,8 +259,10 @@ static int cris_fetch(CPUCRISState *env, DisasContext
> *dc, uint32_t addr,
>
> static void cris_lock_irq(DisasContext *dc)
> {
> + TCGv c1 = tcg_const_tl(1);
> dc->clear_locked_irq = 0;
> - t_gen_mov_env_TN(locked_irq, tcg_const_tl(1));
> + t_gen_mov_env_TN(locked_irq, c1);
> + tcg_temp_free(c1);
> }
>
> static inline void t_gen_raise_exception(uint32_t index)
> @@ -885,8 +891,10 @@ static void gen_tst_cc (DisasContext *dc, TCGv cc, int
> cond)
> case CC_EQ:
> if ((arith_opt || move_opt)
> && dc->cc_x_uptodate != (2 | X_FLAG)) {
> + TCGv c0 = tcg_const_tl(0);
> tcg_gen_setcond_tl(TCG_COND_EQ, cc,
> - cc_result, tcg_const_tl(0));
> + cc_result, c0);
> + tcg_temp_free(c0);
> } else {
> cris_evaluate_flags(dc);
> tcg_gen_andi_tl(cc,
> @@ -1330,14 +1338,17 @@ static int dec_addoq(CPUCRISState *env, DisasContext
> *dc)
> }
> static int dec_addq(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> LOG_DIS("addq %u, $r%u\n", dc->op1, dc->op2);
>
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
>
> cris_cc_mask(dc, CC_MASK_NZVC);
>
> + c = tcg_const_tl(dc->op1);
> cris_alu(dc, CC_OP_ADD,
> - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
> + cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
> + tcg_temp_free(c);
> return 2;
> }
> static int dec_moveq(CPUCRISState *env, DisasContext *dc)
> @@ -1353,62 +1364,77 @@ static int dec_moveq(CPUCRISState *env, DisasContext
> *dc)
> }
> static int dec_subq(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
>
> LOG_DIS("subq %u, $r%u\n", dc->op1, dc->op2);
>
> cris_cc_mask(dc, CC_MASK_NZVC);
> + c = tcg_const_tl(dc->op1);
> cris_alu(dc, CC_OP_SUB,
> - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
> + cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
> + tcg_temp_free(c);
> return 2;
> }
> static int dec_cmpq(CPUCRISState *env, DisasContext *dc)
> {
> uint32_t imm;
> + TCGv c;
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
> imm = sign_extend(dc->op1, 5);
>
> LOG_DIS("cmpq %d, $r%d\n", imm, dc->op2);
> cris_cc_mask(dc, CC_MASK_NZVC);
>
> + c = tcg_const_tl(imm);
> cris_alu(dc, CC_OP_CMP,
> - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
> + cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
> + tcg_temp_free(c);
> return 2;
> }
> static int dec_andq(CPUCRISState *env, DisasContext *dc)
> {
> uint32_t imm;
> + TCGv c;
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
> imm = sign_extend(dc->op1, 5);
>
> LOG_DIS("andq %d, $r%d\n", imm, dc->op2);
> cris_cc_mask(dc, CC_MASK_NZ);
>
> + c = tcg_const_tl(imm);
> cris_alu(dc, CC_OP_AND,
> - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
> + cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
> + tcg_temp_free(c);
> return 2;
> }
> static int dec_orq(CPUCRISState *env, DisasContext *dc)
> {
> uint32_t imm;
> + TCGv c;
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5);
> imm = sign_extend(dc->op1, 5);
> LOG_DIS("orq %d, $r%d\n", imm, dc->op2);
> cris_cc_mask(dc, CC_MASK_NZ);
>
> + c = tcg_const_tl(imm);
> cris_alu(dc, CC_OP_OR,
> - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4);
> + cpu_R[dc->op2], cpu_R[dc->op2], c, 4);
> + tcg_temp_free(c);
> return 2;
> }
> static int dec_btstq(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4);
> LOG_DIS("btstq %u, $r%d\n", dc->op1, dc->op2);
>
> cris_cc_mask(dc, CC_MASK_NZ);
> + c = tcg_const_tl(dc->op1);
> cris_evaluate_flags(dc);
> - gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2],
> - tcg_const_tl(dc->op1), cpu_PR[PR_CCS]);
> + gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2],
> + c, cpu_PR[PR_CCS]);
> + tcg_temp_free(c);
> cris_alu(dc, CC_OP_MOVE,
> cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4);
> cris_update_cc_op(dc, CC_OP_FLAGS, 4);
> @@ -1558,7 +1584,7 @@ static int dec_lsl_r(CPUCRISState *env, DisasContext
> *dc)
> dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
> tcg_gen_andi_tl(t[1], t[1], 63);
> cris_alu(dc, CC_OP_LSL, cpu_R[dc->op2], t[0], t[1], size);
> - cris_alu_alloc_temps(dc, size, t);
> + cris_alu_free_temps(dc, size, t);
> return 2;
> }
>
> @@ -1624,7 +1650,7 @@ static int dec_mulu_r(CPUCRISState *env, DisasContext
> *dc)
> dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
>
> cris_alu(dc, CC_OP_MULU, cpu_R[dc->op2], t[0], t[1], 4);
> - cris_alu_alloc_temps(dc, size, t);
> + cris_alu_free_temps(dc, size, t);
> return 2;
> }
>
> @@ -1801,27 +1827,31 @@ static int dec_or_r(CPUCRISState *env, DisasContext
> *dc)
>
> static int dec_addi_r(CPUCRISState *env, DisasContext *dc)
> {
> - TCGv t0;
> + TCGv t0, c;
> LOG_DIS("addi.%c $r%u, $r%u\n",
> memsize_char(memsize_zz(dc)), dc->op2, dc->op1);
> cris_cc_mask(dc, 0);
> t0 = tcg_temp_new();
> - tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
> + c = tcg_const_tl(dc->zzsize);
> + tcg_gen_shl_tl(t0, cpu_R[dc->op2], c);
> tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], t0);
> tcg_temp_free(t0);
> + tcg_temp_free(c);
> return 2;
> }
>
> static int dec_addi_acr(CPUCRISState *env, DisasContext *dc)
> {
> - TCGv t0;
> + TCGv t0, c;
> LOG_DIS("addi.%c $r%u, $r%u, $acr\n",
> memsize_char(memsize_zz(dc)), dc->op2, dc->op1);
> cris_cc_mask(dc, 0);
> t0 = tcg_temp_new();
> - tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
> + c = tcg_const_tl(dc->zzsize);
> + tcg_gen_shl_tl(t0, cpu_R[dc->op2], c);
> tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], t0);
> tcg_temp_free(t0);
> + tcg_temp_free(c);
> return 2;
> }
>
> @@ -2051,18 +2081,26 @@ static int dec_setclrf(CPUCRISState *env,
> DisasContext *dc)
>
> static int dec_move_rs(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c2, c1;
> LOG_DIS("move $r%u, $s%u\n", dc->op1, dc->op2);
> + c1 = tcg_const_tl(dc->op1);
> + c2 = tcg_const_tl(dc->op2);
> cris_cc_mask(dc, 0);
> - gen_helper_movl_sreg_reg(cpu_env, tcg_const_tl(dc->op2),
> - tcg_const_tl(dc->op1));
> + gen_helper_movl_sreg_reg(cpu_env, c2, c1);
> + tcg_temp_free(c1);
> + tcg_temp_free(c2);
> return 2;
> }
> static int dec_move_sr(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c2, c1;
> LOG_DIS("move $s%u, $r%u\n", dc->op2, dc->op1);
> + c1 = tcg_const_tl(dc->op1);
> + c2 = tcg_const_tl(dc->op2);
> cris_cc_mask(dc, 0);
> - gen_helper_movl_reg_sreg(cpu_env, tcg_const_tl(dc->op1),
> - tcg_const_tl(dc->op2));
> + gen_helper_movl_reg_sreg(cpu_env, c1, c2);
> + tcg_temp_free(c1);
> + tcg_temp_free(c2);
> return 2;
> }
>
> @@ -2345,7 +2383,7 @@ static int dec_cmp_m(CPUCRISState *env, DisasContext
> *dc)
>
> static int dec_test_m(CPUCRISState *env, DisasContext *dc)
> {
> - TCGv t[2];
> + TCGv t[2], c;
> int memsize = memsize_zz(dc);
> int insn_len;
> LOG_DIS("test.%c [$r%u%s] op2=%x\n",
> @@ -2360,8 +2398,10 @@ static int dec_test_m(CPUCRISState *env, DisasContext
> *dc)
> cris_cc_mask(dc, CC_MASK_NZ);
> 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->op2], t[1], tcg_const_tl(0), memsize_zz(dc));
> + cpu_R[dc->op2], t[1], c, memsize_zz(dc));
> + tcg_temp_free(c);
> do_postinc(dc, memsize);
> cris_alu_m_free_temps(t);
> return insn_len;
> @@ -2713,6 +2753,7 @@ static int dec_jump_p(CPUCRISState *env, DisasContext
> *dc)
> /* Jump and save. */
> static int dec_jas_r(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> LOG_DIS("jas $r%u, $p%u\n", dc->op1, dc->op2);
> cris_cc_mask(dc, 0);
> /* Store the return address in Pd. */
> @@ -2720,7 +2761,9 @@ static int dec_jas_r(CPUCRISState *env, DisasContext
> *dc)
> if (dc->op2 > 15) {
> abort();
> }
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4));
> + c = tcg_const_tl(dc->pc + 4);
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
>
> cris_prepare_jmp(dc, JMP_INDIRECT);
> return 2;
> @@ -2729,13 +2772,16 @@ static int dec_jas_r(CPUCRISState *env, DisasContext
> *dc)
> static int dec_jas_im(CPUCRISState *env, DisasContext *dc)
> {
> uint32_t imm;
> + TCGv c;
>
> imm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
>
> LOG_DIS("jas 0x%x\n", imm);
> cris_cc_mask(dc, 0);
> + c = tcg_const_tl(dc->pc + 8);
> /* Store the return address in Pd. */
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8));
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
>
> dc->jmp_pc = imm;
> cris_prepare_jmp(dc, JMP_DIRECT);
> @@ -2745,13 +2791,16 @@ static int dec_jas_im(CPUCRISState *env, DisasContext
> *dc)
> static int dec_jasc_im(CPUCRISState *env, DisasContext *dc)
> {
> uint32_t imm;
> + TCGv c;
>
> imm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
>
> LOG_DIS("jasc 0x%x\n", imm);
> cris_cc_mask(dc, 0);
> + c = tcg_const_tl(dc->pc + 8 + 4);
> /* Store the return address in Pd. */
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8 + 4));
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
>
> dc->jmp_pc = imm;
> cris_prepare_jmp(dc, JMP_DIRECT);
> @@ -2760,11 +2809,14 @@ static int dec_jasc_im(CPUCRISState *env,
> DisasContext *dc)
>
> static int dec_jasc_r(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> LOG_DIS("jasc_r $r%u, $p%u\n", dc->op1, dc->op2);
> cris_cc_mask(dc, 0);
> /* Store the return address in Pd. */
> tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]);
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4 + 4));
> + c = tcg_const_tl(dc->pc + 4 + 4);
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
> cris_prepare_jmp(dc, JMP_INDIRECT);
> return 2;
> }
> @@ -2789,13 +2841,16 @@ static int dec_bcc_im(CPUCRISState *env, DisasContext
> *dc)
> static int dec_bas_im(CPUCRISState *env, DisasContext *dc)
> {
> int32_t simm;
> + TCGv c;
>
> simm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
>
> LOG_DIS("bas 0x%x, $p%u\n", dc->pc + simm, dc->op2);
> cris_cc_mask(dc, 0);
> + c = tcg_const_tl(dc->pc + 8);
> /* Store the return address in Pd. */
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8));
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
>
> dc->jmp_pc = dc->pc + simm;
> cris_prepare_jmp(dc, JMP_DIRECT);
> @@ -2805,12 +2860,15 @@ static int dec_bas_im(CPUCRISState *env, DisasContext
> *dc)
> static int dec_basc_im(CPUCRISState *env, DisasContext *dc)
> {
> int32_t simm;
> + TCGv c;
> simm = cris_fetch(env, dc, dc->pc + 2, 4, 0);
>
> LOG_DIS("basc 0x%x, $p%u\n", dc->pc + simm, dc->op2);
> cris_cc_mask(dc, 0);
> + c = tcg_const_tl(dc->pc + 12);
> /* Store the return address in Pd. */
> - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 12));
> + t_gen_mov_preg_TN(dc, dc->op2, c);
> + tcg_temp_free(c);
>
> dc->jmp_pc = dc->pc + simm;
> cris_prepare_jmp(dc, JMP_DIRECT);
> @@ -2819,6 +2877,7 @@ static int dec_basc_im(CPUCRISState *env, DisasContext
> *dc)
>
> static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc)
> {
> + TCGv c;
> cris_cc_mask(dc, 0);
>
> if (dc->op2 == 15) {
> @@ -2851,8 +2910,9 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext
> *dc)
> tcg_gen_movi_tl(env_pc, dc->pc + 2);
>
> /* Breaks start at 16 in the exception vector. */
> - t_gen_mov_env_TN(trap_vector,
> - tcg_const_tl(dc->op1 + 16));
> + c = tcg_const_tl(dc->op1 + 16);
> + t_gen_mov_env_TN(trap_vector, c);
> + tcg_temp_free(c);
> t_gen_raise_exception(EXCP_BREAK);
> dc->is_jmp = DISAS_UPDATE;
> break;
> @@ -3023,14 +3083,16 @@ static unsigned int crisv32_decoder(CPUCRISState
> *env, DisasContext *dc)
> /* Single-stepping ? */
> if (dc->tb_flags & S_FLAG) {
> TCGLabel *l1 = gen_new_label();
> + TCGv c = tcg_const_tl(3);
> 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_mov_env_TN(trap_vector, c);
> 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);
> gen_set_label(l1);
> + tcg_temp_free(c);
> }
> #endif
> return insn_len;
> @@ -3170,7 +3232,9 @@ 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));
> + TCGv c = tcg_const_tl(0);
> + t_gen_mov_env_TN(dslot, c);
> + tcg_temp_free(c);
> }
> if (dc->cpustate_changed || !dc->flagx_known
> || (dc->flags_x != (tb->flags & X_FLAG))) {
> @@ -3178,8 +3242,10 @@ void gen_intermediate_code(CPUState *cs,
> TranslationBlock *tb, int max_insns)
> }
>
> if (dc->clear_locked_irq) {
> + TCGv c = tcg_const_tl(0);
> dc->clear_locked_irq = 0;
> - t_gen_mov_env_TN(locked_irq, tcg_const_tl(0));
> + t_gen_mov_env_TN(locked_irq, c);
> + tcg_temp_free(c);
> }
>
> if (dc->jmp == JMP_DIRECT_CC) {
> @@ -3200,7 +3266,9 @@ 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 +3287,9 @@ 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));
> + TCGv c = tcg_const_tl(0);
> + t_gen_mov_env_TN(locked_irq, c);
> + tcg_temp_free(c);
> }
>
> npc = dc->pc;
> @@ -3233,8 +3303,10 @@ void gen_intermediate_code(CPUState *cs,
> TranslationBlock *tb, int max_insns)
> }
> /* Broken branch+delayslot sequence. */
> if (dc->delayed_branch == 1) {
> + TCGv c = tcg_const_tl(dc->pc - dc->ppc);
> /* 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_mov_env_TN(dslot, c);
> + tcg_temp_free(c);
> cris_store_direct_jmp(dc);
> }
>
> diff --git a/target/cris/translate_v10.c.inc b/target/cris/translate_v10.c.inc
> index 86d78a8..f7cd67b 100644
> --- a/target/cris/translate_v10.c.inc
> +++ b/target/cris/translate_v10.c.inc
> @@ -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;
> --
> 1.8.3.1
>