tcg: Hoist max_insns computation to tb_gen_code

In order to handle TB's that translate to too much code, we
need to place the control of the length of the translation
in the hands of the code gen master loop.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 75a6cf49f1d43a7b4be564f3e3d086a29e89eca8..39532fd44c1634fc2d6440abca3f227a0ec857b2 100644 (file)
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1674,7 +1674,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
     tb_page_addr_t phys_pc, phys_page2;
     target_ulong virt_page2;
     tcg_insn_unit *gen_code_buf;
-    int gen_code_size, search_size;
+    int gen_code_size, search_size, max_insns;
 #ifdef CONFIG_PROFILER
     TCGProfile *prof = &tcg_ctx->prof;
     int64_t ti;
@@ -1692,6 +1692,17 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
     cflags &= ~CF_CLUSTER_MASK;
     cflags |= cpu->cluster_index << CF_CLUSTER_SHIFT;
 
+    max_insns = cflags & CF_COUNT_MASK;
+    if (max_insns == 0) {
+        max_insns = CF_COUNT_MASK;
+    }
+    if (max_insns > TCG_MAX_INSNS) {
+        max_insns = TCG_MAX_INSNS;
+    }
+    if (cpu->singlestep_enabled || singlestep) {
+        max_insns = 1;
+    }
+
  buffer_overflow:
     tb = tb_alloc(pc);
     if (unlikely(!tb)) {
@@ -1721,7 +1732,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
     tcg_func_start(tcg_ctx);
 
     tcg_ctx->cpu = ENV_GET_CPU(env);
-    gen_intermediate_code(cpu, tb);
+    gen_intermediate_code(cpu, tb, max_insns);
     tcg_ctx->cpu = NULL;
 
     trace_translate_block(tb, tb->pc, tb->tc.ptr);

diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c
index afd0a49ea6ea33f089d2c86c79396916abdfd2f5..8d65ead70853d3616ef05a2b715522b846b0a542 100644 (file)
--- a/accel/tcg/translator.c
+++ b/accel/tcg/translator.c
@@ -32,7 +32,7 @@ void translator_loop_temp_check(DisasContextBase *db)
 }
 
 void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
-                     CPUState *cpu, TranslationBlock *tb)
+                     CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     int bp_insn = 0;
 
@@ -42,20 +42,9 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
     db->pc_next = db->pc_first;
     db->is_jmp = DISAS_NEXT;
     db->num_insns = 0;
+    db->max_insns = max_insns;
     db->singlestep_enabled = cpu->singlestep_enabled;
 
-    /* Instruction counting */
-    db->max_insns = tb_cflags(db->tb) & CF_COUNT_MASK;
-    if (db->max_insns == 0) {
-        db->max_insns = CF_COUNT_MASK;
-    }
-    if (db->max_insns > TCG_MAX_INSNS) {
-        db->max_insns = TCG_MAX_INSNS;
-    }
-    if (db->singlestep_enabled || singlestep) {
-        db->max_insns = 1;
-    }
-
     ops->init_disas_context(db, cpu);
     tcg_debug_assert(db->is_jmp == DISAS_NEXT);  /* no early exit */
 

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 97b90cb0dbed1610cc622e034c80ef11bcb2025c..58e988b3b14b8e09e2c6925d80d79b23cb096308 100644 (file)
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -40,8 +40,8 @@ typedef ram_addr_t tb_page_addr_t;
 
 #include "qemu/log.h"
 
-void gen_intermediate_code(CPUState *cpu, struct TranslationBlock *tb);
-void restore_state_to_opc(CPUArchState *env, struct TranslationBlock *tb,
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns);
+void restore_state_to_opc(CPUArchState *env, TranslationBlock *tb,
                           target_ulong *data);
 
 void cpu_gen_init(void);

diff --git a/include/exec/translator.h b/include/exec/translator.h
index 71e7b2c34714646b2e2e5a945cee14755100091d..66dfe906c412c0c986757aaedcd12851faed4288 100644 (file)
--- a/include/exec/translator.h
+++ b/include/exec/translator.h
@@ -123,6 +123,7 @@ typedef struct TranslatorOps {
  * @db: Disassembly context.
  * @cpu: Target vCPU.
  * @tb: Translation block.
+ * @max_insns: Maximum number of insns to translate.
  *
  * Generic translator loop.
  *
@@ -137,7 +138,7 @@ typedef struct TranslatorOps {
  * - When too many instructions have been translated.
  */
 void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
-                     CPUState *cpu, TranslationBlock *tb);
+                     CPUState *cpu, TranslationBlock *tb, int max_insns);
 
 void translator_loop_temp_check(DisasContextBase *db);
 

diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 9d8f9b3eea97411d56e9678b1670972908882ed3..2c9cccf6c1b6de3e487812387464a5d1a8a84af8 100644 (file)
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -3049,10 +3049,10 @@ static const TranslatorOps alpha_tr_ops = {
     .disas_log          = alpha_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc;
-    translator_loop(&alpha_tr_ops, &dc.base, cpu, tb);
+    translator_loop(&alpha_tr_ops, &dc.base, cpu, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUAlphaState *env, TranslationBlock *tb,

diff --git a/target/arm/translate.c b/target/arm/translate.c
index d9e7bb737a0e474e2114f25e772d0335f3265519..4ea4018e2b800843b549e1b6306423a1aa02f3cb 100644 (file)
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -13756,7 +13756,7 @@ static const TranslatorOps thumb_translator_ops = {
 };
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc;
     const TranslatorOps *ops = &arm_translator_ops;
@@ -13770,7 +13770,7 @@ void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
     }
 #endif
 
-    translator_loop(ops, &dc.base, cpu, tb);
+    translator_loop(ops, &dc.base, cpu, tb, max_insns);
 }
 
 void arm_cpu_dump_state(CPUState *cs, FILE *f, int flags)

diff --git a/target/cris/translate.c b/target/cris/translate.c
index 96359c0d7dc402a0dae0193cf09abfb6d0e2e74d..b005a5c20e5cb8740d598dafab279ca183121c10 100644 (file)
--- a/target/cris/translate.c
+++ b/target/cris/translate.c
@@ -3081,7 +3081,7 @@ static unsigned int crisv32_decoder(CPUCRISState *env, DisasContext *dc)
  */
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUCRISState *env = cs->env_ptr;
     uint32_t pc_start;
@@ -3091,7 +3091,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     uint32_t page_start;
     target_ulong npc;
     int num_insns;
-    int max_insns;
 
     if (env->pregs[PR_VR] == 32) {
         dc->decoder = crisv32_decoder;
@@ -3137,13 +3136,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
 
     page_start = pc_start & TARGET_PAGE_MASK;
     num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
 
     gen_tb_start(tb);
     do {

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 43b74367ea623a4e3a41e594c5a8a488b0d84cb4..7c03c6276887fda090e346ab9858bf395c55eb4e 100644 (file)
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -4312,11 +4312,10 @@ static const TranslatorOps hppa_tr_ops = {
     .disas_log          = hppa_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
-
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
-    translator_loop(&hppa_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&hppa_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUHPPAState *env, TranslationBlock *tb,

diff --git a/target/i386/translate.c b/target/i386/translate.c
index b725bec37cd75bf1b379ff226e9a09455910dc52..77d6b73e4224a38e914285fa79785e32422a9cc2 100644 (file)
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -8590,11 +8590,11 @@ static const TranslatorOps i386_tr_ops = {
 };
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc;
 
-    translator_loop(&i386_tr_ops, &dc.base, cpu, tb);
+    translator_loop(&i386_tr_ops, &dc.base, cpu, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUX86State *env, TranslationBlock *tb,

diff --git a/target/lm32/translate.c b/target/lm32/translate.c
index b8b5e12e631317ad139c0ee761e0e94859f6b57c..f0e0e7058ee2cc5f43749f5445fc161b9ae0e1cb 100644 (file)
--- a/target/lm32/translate.c
+++ b/target/lm32/translate.c
@@ -1050,7 +1050,7 @@ static inline void decode(DisasContext *dc, uint32_t ir)
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPULM32State *env = cs->env_ptr;
     LM32CPU *cpu = lm32_env_get_cpu(env);
@@ -1058,7 +1058,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     uint32_t pc_start;
     uint32_t page_start;
     int num_insns;
-    int max_insns;
 
     pc_start = tb->pc;
     dc->features = cpu->features;
@@ -1078,13 +1077,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
 
     page_start = pc_start & TARGET_PAGE_MASK;
     num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
 
     gen_tb_start(tb);
     do {

diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 3b2280b48bfb052988eff7c8b9ae256ff98d390a..58596278c2d52db71376f291178f2c4eeb91e8e8 100644 (file)
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -6170,10 +6170,10 @@ static const TranslatorOps m68k_tr_ops = {
     .disas_log          = m68k_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc;
-    translator_loop(&m68k_tr_ops, &dc.base, cpu, tb);
+    translator_loop(&m68k_tr_ops, &dc.base, cpu, tb, max_insns);
 }
 
 static double floatx80_to_double(CPUM68KState *env, uint16_t high, uint64_t low)

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index bc2712ddbd6c5b53cc461677c17d8006fe77df6a..885fc44b51e20ff8b7236c9421ff627ffe3e1375 100644 (file)
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -1601,7 +1601,7 @@ static inline void decode(DisasContext *dc, uint32_t ir)
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUMBState *env = cs->env_ptr;
     MicroBlazeCPU *cpu = mb_env_get_cpu(env);
@@ -1611,7 +1611,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     uint32_t page_start, org_flags;
     uint32_t npc;
     int num_insns;
-    int max_insns;
 
     pc_start = tb->pc;
     dc->cpu = cpu;
@@ -1635,13 +1634,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
 
     page_start = pc_start & TARGET_PAGE_MASK;
     num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
 
     gen_tb_start(tb);
     do

diff --git a/target/mips/translate.c b/target/mips/translate.c
index 7849d53977156591ac60775a50b5f915aa594edb..f96c0d01ef10ed7dc06c8e64eacd6fbe477492f1 100644 (file)
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -29721,11 +29721,11 @@ static const TranslatorOps mips_tr_ops = {
     .disas_log          = mips_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
 
-    translator_loop(&mips_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&mips_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 static void fpu_dump_state(CPUMIPSState *env, FILE *f, int flags)

diff --git a/target/moxie/translate.c b/target/moxie/translate.c
index dd055c4ca54aef1a8b597bb95ecbdb6c2fa6d268..c668178f2ca3739eb3226fd78f0042ab8cae8bc6 100644 (file)
--- a/target/moxie/translate.c
+++ b/target/moxie/translate.c
@@ -813,13 +813,13 @@ static int decode_opc(MoxieCPU *cpu, DisasContext *ctx)
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUMoxieState *env = cs->env_ptr;
     MoxieCPU *cpu = moxie_env_get_cpu(env);
     DisasContext ctx;
     target_ulong pc_start;
-    int num_insns, max_insns;
+    int num_insns;
 
     pc_start = tb->pc;
     ctx.pc = pc_start;
@@ -829,13 +829,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     ctx.singlestep_enabled = 0;
     ctx.bstate = BS_NONE;
     num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
 
     gen_tb_start(tb);
     do {

diff --git a/target/nios2/translate.c b/target/nios2/translate.c
index f0bbf78a32e98fdcbfc8cefb5025b83641cf427b..17d8f1877cb83f72ae28a1642c675c55eec2ebcf 100644 (file)
--- a/target/nios2/translate.c
+++ b/target/nios2/translate.c
@@ -806,12 +806,11 @@ static void gen_exception(DisasContext *dc, uint32_t excp)
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUNios2State *env = cs->env_ptr;
     DisasContext dc1, *dc = &dc1;
     int num_insns;
-    int max_insns;
 
     /* Initialize DC */
     dc->cpu_env = cpu_env;
@@ -824,20 +823,11 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
 
     /* Set up instruction counts */
     num_insns = 0;
-    if (cs->singlestep_enabled || singlestep) {
-        max_insns = 1;
-    } else {
+    if (max_insns > 1) {
         int page_insns = (TARGET_PAGE_SIZE - (tb->pc & TARGET_PAGE_MASK)) / 4;
-        max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-        if (max_insns == 0) {
-            max_insns = CF_COUNT_MASK;
-        }
         if (max_insns > page_insns) {
             max_insns = page_insns;
         }
-        if (max_insns > TCG_MAX_INSNS) {
-            max_insns = TCG_MAX_INSNS;
-        }
     }
 
     gen_tb_start(tb);

diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index a88502fdc102040e8026aabcb5de7c05f4d2f156..36821948c0e2f5729bfdae0fe92e6b5aa9831979 100644 (file)
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -1409,11 +1409,11 @@ static const TranslatorOps openrisc_tr_ops = {
     .disas_log          = openrisc_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
 
-    translator_loop(&openrisc_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&openrisc_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 void openrisc_cpu_dump_state(CPUState *cs, FILE *f, int flags)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 93d77a2626c2df1158a08643a29bcb774ad78388..dee2bb6910e63b5731673761ef5f4665db15723b 100644 (file)
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -7862,11 +7862,11 @@ static const TranslatorOps ppc_tr_ops = {
     .disas_log          = ppc_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
 
-    translator_loop(&ppc_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&ppc_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index dd763647ea5525af2629b87395f1b32bb6225b20..967eac7bc39778bf99ccb2ec7e10f1e5eb978ae0 100644 (file)
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -783,11 +783,11 @@ static const TranslatorOps riscv_tr_ops = {
     .disas_log          = riscv_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
 
-    translator_loop(&riscv_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&riscv_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 void riscv_translate_init(void)

diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 0afa8f7ca534f41e027fcf50d99eefcc2e524e04..d4951836adb9292a6d68c1ff898ff4b19db773d8 100644 (file)
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -6552,11 +6552,11 @@ static const TranslatorOps s390x_tr_ops = {
     .disas_log          = s390x_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc;
 
-    translator_loop(&s390x_tr_ops, &dc.base, cs, tb);
+    translator_loop(&s390x_tr_ops, &dc.base, cs, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUS390XState *env, TranslationBlock *tb,

diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index cffc6919d0899b47b29a23fc8e3ece47db9e0ebb..cdf0888490867f91a897ff6d044e7395a46b60c6 100644 (file)
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -2383,11 +2383,11 @@ static const TranslatorOps sh4_tr_ops = {
     .disas_log          = sh4_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext ctx;
 
-    translator_loop(&sh4_tr_ops, &ctx.base, cs, tb);
+    translator_loop(&sh4_tr_ops, &ctx.base, cs, tb, max_insns);
 }
 
 void restore_state_to_opc(CPUSH4State *env, TranslationBlock *tb,

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 74315cdf09f2d3532ad3d21122bf4f9b690cc65a..091bab53af3d1345e1fd8d416525f63c4904eabf 100644 (file)
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -5962,11 +5962,11 @@ static const TranslatorOps sparc_tr_ops = {
     .disas_log          = sparc_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc = {};
 
-    translator_loop(&sparc_tr_ops, &dc.base, cs, tb);
+    translator_loop(&sparc_tr_ops, &dc.base, cs, tb, max_insns);
 }
 
 void sparc_tcg_init(void)

diff --git a/target/tilegx/translate.c b/target/tilegx/translate.c
index df1e4d0fef6114016be9d9fc518ca06ffde93087..c46a4ab15149aa3ee4c29b76f6ab491e6ef449ba 100644 (file)
--- a/target/tilegx/translate.c
+++ b/target/tilegx/translate.c
@@ -2369,7 +2369,7 @@ static void translate_one_bundle(DisasContext *dc, uint64_t bundle)
     }
 }
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUTLGState *env = cs->env_ptr;
     DisasContext ctx;
@@ -2377,7 +2377,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     uint64_t pc_start = tb->pc;
     uint64_t page_start = pc_start & TARGET_PAGE_MASK;
     int num_insns = 0;
-    int max_insns = tb_cflags(tb) & CF_COUNT_MASK;
 
     dc->pc = pc_start;
     dc->mmuidx = 0;
@@ -2392,15 +2391,6 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
         qemu_log_lock();
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
     }
-    if (!max_insns) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (cs->singlestep_enabled || singlestep) {
-        max_insns = 1;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
     gen_tb_start(tb);
 
     while (1) {

diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 352f52bb4a72be3654e02b2130588849ea60b9ad..8f6416144edabcc54de53deb631ea60527bf2e1b 100644 (file)
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -8807,24 +8807,12 @@ static void decode_opc(CPUTriCoreState *env, DisasContext *ctx, int *is_branch)
     }
 }
 
-void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUTriCoreState *env = cs->env_ptr;
     DisasContext ctx;
     target_ulong pc_start;
-    int num_insns, max_insns;
-
-    num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (singlestep) {
-        max_insns = 1;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
+    int num_insns = 0;
 
     pc_start = tb->pc;
     ctx.pc = pc_start;

diff --git a/target/unicore32/translate.c b/target/unicore32/translate.c
index dfe41c90696ed4d919797512618fb2531eace5ee..89b02d1c3ca1152b9f657775b17a093b957c593d 100644 (file)
--- a/target/unicore32/translate.c
+++ b/target/unicore32/translate.c
@@ -1871,14 +1871,13 @@ static void disas_uc32_insn(CPUUniCore32State *env, DisasContext *s)
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPUUniCore32State *env = cs->env_ptr;
     DisasContext dc1, *dc = &dc1;
     target_ulong pc_start;
     uint32_t page_start;
     int num_insns;
-    int max_insns;
 
     /* generate intermediate code */
     num_temps = 0;
@@ -1897,13 +1896,6 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
     cpu_F1d = tcg_temp_new_i64();
     page_start = pc_start & TARGET_PAGE_MASK;
     num_insns = 0;
-    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
-    if (max_insns == 0) {
-        max_insns = CF_COUNT_MASK;
-    }
-    if (max_insns > TCG_MAX_INSNS) {
-        max_insns = TCG_MAX_INSNS;
-    }
 
 #ifndef CONFIG_USER_ONLY
     if ((env->uncached_asr & ASR_M) == ASR_MODE_USER) {

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 43a5e94daabaf8b122703ec565500ddfa374e6ad..301c8e31613c40444e6a3531e69bb5b76fb08167 100644 (file)
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1635,10 +1635,10 @@ static const TranslatorOps xtensa_translator_ops = {
     .disas_log          = xtensa_tr_disas_log,
 };
 
-void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int max_insns)
 {
     DisasContext dc = {};
-    translator_loop(&xtensa_translator_ops, &dc.base, cpu, tb);
+    translator_loop(&xtensa_translator_ops, &dc.base, cpu, tb, max_insns);
 }
 
 void xtensa_cpu_dump_state(CPUState *cs, FILE *f, int flags)