accel/tcg: Introduce tb_pc and log_pc

The availability of tb->pc will shortly be conditional.
Introduce accessor functions to minimize ifdefs.

Pass around a known pc to places like tcg_gen_code,
where the caller must already have the value.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

15 files changed, 19 insertions, 19 deletions

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index fa67ba6..94ca6f1 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -84,9 +84,9 @@ void arm_cpu_synchronize_from_tb(CPUState *cs,
      * never possible for an AArch64 TB to chain to an AArch32 TB.
      */
     if (is_a64(env)) {
-        env->pc = tb->pc;
+        env->pc = tb_pc(tb);
     } else {
-        env->regs[15] = tb->pc;
+        env->regs[15] = tb_pc(tb);
     }
 }
 #endif /* CONFIG_TCG */
diff --git a/target/avr/cpu.c b/target/avr/cpu.c
index 6900444..0d28611 100644
--- a/target/avr/cpu.c
+++ b/target/avr/cpu.c
@@ -54,7 +54,7 @@ static void avr_cpu_synchronize_from_tb(CPUState *cs,
     AVRCPU *cpu = AVR_CPU(cs);
     CPUAVRState *env = &cpu->env;
 
-    env->pc_w = tb->pc / 2; /* internally PC points to words */
+    env->pc_w = tb_pc(tb) / 2; /* internally PC points to words */
 }
 
 static void avr_cpu_reset(DeviceState *ds)
diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index 04a497d..fa6d722 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -263,7 +263,7 @@ static void hexagon_cpu_synchronize_from_tb(CPUState *cs,
 {
     HexagonCPU *cpu = HEXAGON_CPU(cs);
     CPUHexagonState *env = &cpu->env;
-    env->gpr[HEX_REG_PC] = tb->pc;
+    env->gpr[HEX_REG_PC] = tb_pc(tb);
 }
 
 static bool hexagon_cpu_has_work(CPUState *cs)
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index e25d3db..e677ca0 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -49,7 +49,7 @@ static void hppa_cpu_synchronize_from_tb(CPUState *cs,
     HPPACPU *cpu = HPPA_CPU(cs);
 
 #ifdef CONFIG_USER_ONLY
-    cpu->env.iaoq_f = tb->pc;
+    cpu->env.iaoq_f = tb_pc(tb);
     cpu->env.iaoq_b = tb->cs_base;
 #else
     /* Recover the IAOQ values from the GVA + PRIV.  */
@@ -59,7 +59,7 @@ static void hppa_cpu_synchronize_from_tb(CPUState *cs,
     int32_t diff = cs_base;
 
     cpu->env.iasq_f = iasq_f;
-    cpu->env.iaoq_f = (tb->pc & ~iasq_f) + priv;
+    cpu->env.iaoq_f = (tb_pc(tb) & ~iasq_f) + priv;
     if (diff) {
         cpu->env.iaoq_b = cpu->env.iaoq_f + diff;
     }
diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c
index d3c2b8f..6cf14c8 100644
--- a/target/i386/tcg/tcg-cpu.c
+++ b/target/i386/tcg/tcg-cpu.c
@@ -51,7 +51,7 @@ static void x86_cpu_synchronize_from_tb(CPUState *cs,
 {
     X86CPU *cpu = X86_CPU(cs);
 
-    cpu->env.eip = tb->pc - tb->cs_base;
+    cpu->env.eip = tb_pc(tb) - tb->cs_base;
 }
 
 #ifndef CONFIG_USER_ONLY
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 20a92ea..1722ed2 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -317,7 +317,7 @@ static void loongarch_cpu_synchronize_from_tb(CPUState *cs,
     LoongArchCPU *cpu = LOONGARCH_CPU(cs);
     CPULoongArchState *env = &cpu->env;
 
-    env->pc = tb->pc;
+    env->pc = tb_pc(tb);
 }
 #endif /* CONFIG_TCG */
 
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 73af517..c10b8ac 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -96,7 +96,7 @@ static void mb_cpu_synchronize_from_tb(CPUState *cs,
 {
     MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
 
-    cpu->env.pc = tb->pc;
+    cpu->env.pc = tb_pc(tb);
     cpu->env.iflags = tb->flags & IFLAGS_TB_MASK;
 }
 
diff --git a/target/mips/tcg/exception.c b/target/mips/tcg/exception.c
index 2bd77a6..96e6117 100644
--- a/target/mips/tcg/exception.c
+++ b/target/mips/tcg/exception.c
@@ -82,7 +82,7 @@ void mips_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb)
     MIPSCPU *cpu = MIPS_CPU(cs);
     CPUMIPSState *env = &cpu->env;
 
-    env->active_tc.PC = tb->pc;
+    env->active_tc.PC = tb_pc(tb);
     env->hflags &= ~MIPS_HFLAG_BMASK;
     env->hflags |= tb->flags & MIPS_HFLAG_BMASK;
 }
diff --git a/target/mips/tcg/sysemu/special_helper.c b/target/mips/tcg/sysemu/special_helper.c
index f4f8fe8..3c5f35c 100644
--- a/target/mips/tcg/sysemu/special_helper.c
+++ b/target/mips/tcg/sysemu/special_helper.c
@@ -94,7 +94,7 @@ bool mips_io_recompile_replay_branch(CPUState *cs, const TranslationBlock *tb)
     CPUMIPSState *env = &cpu->env;
 
     if ((env->hflags & MIPS_HFLAG_BMASK) != 0
-        && env->active_tc.PC != tb->pc) {
+        && env->active_tc.PC != tb_pc(tb)) {
         env->active_tc.PC -= (env->hflags & MIPS_HFLAG_B16 ? 2 : 4);
         env->hflags &= ~MIPS_HFLAG_BMASK;
         return true;
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index 33cf717..f6fd437 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -43,7 +43,7 @@ static void openrisc_cpu_synchronize_from_tb(CPUState *cs,
 {
     OpenRISCCPU *cpu = OPENRISC_CPU(cs);
 
-    cpu->env.pc = tb->pc;
+    cpu->env.pc = tb_pc(tb);
 }
 
 
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 6ca05c6..e6d9c70 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -482,9 +482,9 @@ static void riscv_cpu_synchronize_from_tb(CPUState *cs,
     RISCVMXL xl = FIELD_EX32(tb->flags, TB_FLAGS, XL);
 
     if (xl == MXL_RV32) {
-        env->pc = (int32_t)tb->pc;
+        env->pc = (int32_t)tb_pc(tb);
     } else {
-        env->pc = tb->pc;
+        env->pc = tb_pc(tb);
     }
 }
 
diff --git a/target/rx/cpu.c b/target/rx/cpu.c
index 134b4b6..2f28099 100644
--- a/target/rx/cpu.c
+++ b/target/rx/cpu.c
@@ -44,7 +44,7 @@ static void rx_cpu_synchronize_from_tb(CPUState *cs,
 {
     RXCPU *cpu = RX_CPU(cs);
 
-    cpu->env.pc = tb->pc;
+    cpu->env.pc = tb_pc(tb);
 }
 
 static bool rx_cpu_has_work(CPUState *cs)
diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c
index 4bafbf8..a65a66d 100644
--- a/target/sh4/cpu.c
+++ b/target/sh4/cpu.c
@@ -46,7 +46,7 @@ static void superh_cpu_synchronize_from_tb(CPUState *cs,
 {
     SuperHCPU *cpu = SUPERH_CPU(cs);
 
-    cpu->env.pc = tb->pc;
+    cpu->env.pc = tb_pc(tb);
     cpu->env.flags = tb->flags & TB_FLAG_ENVFLAGS_MASK;
 }
 
@@ -58,7 +58,7 @@ static bool superh_io_recompile_replay_branch(CPUState *cs,
     CPUSH4State *env = &cpu->env;
 
     if ((env->flags & ((DELAY_SLOT | DELAY_SLOT_CONDITIONAL))) != 0
-        && env->pc != tb->pc) {
+        && env->pc != tb_pc(tb)) {
         env->pc -= 2;
         env->flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
         return true;
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 1b2afb0..1f9ef7a 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -705,7 +705,7 @@ static void sparc_cpu_synchronize_from_tb(CPUState *cs,
 {
     SPARCCPU *cpu = SPARC_CPU(cs);
 
-    cpu->env.pc = tb->pc;
+    cpu->env.pc = tb_pc(tb);
     cpu->env.npc = tb->cs_base;
 }
 
diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c
index 91b16bd..ab7a1e3 100644
--- a/target/tricore/cpu.c
+++ b/target/tricore/cpu.c
@@ -55,7 +55,7 @@ static void tricore_cpu_synchronize_from_tb(CPUState *cs,
     TriCoreCPU *cpu = TRICORE_CPU(cs);
     CPUTriCoreState *env = &cpu->env;
 
-    env->PC = tb->pc;
+    env->PC = tb_pc(tb);
 }
 
 static void tricore_cpu_reset(DeviceState *dev)