target-arm: Update PC before calling gen_helper_check_breakpoints()

PC should be updated in the CPU state before calling check_breakpoints()
helper. Otherwise, the helper would not see the correct PC in the CPU
state if it is not at the start of a TB.
Signed-off-by: NSergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1447176222-16401-1-git-send-email-serge.fdrv@gmail.com
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target-arm/translate-a64.c

@@ -11102,6 +11102,7 @@ void gen_intermediate_code_a64(ARMCPU *cpu, TranslationBlock *tb)
             QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
                 if (bp->pc == dc->pc) {
                     if (bp->flags & BP_CPU) {
+                        gen_a64_set_pc_im(dc->pc);
                         gen_helper_check_breakpoints(cpu_env);
                         /* End the TB early; it likely won't be executed */
                         dc->is_jmp = DISAS_UPDATE;

target-arm/translate.c

@@ -11373,6 +11373,7 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb)
             QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
                 if (bp->pc == dc->pc) {
                     if (bp->flags & BP_CPU) {
+                        gen_set_pc_im(dc, dc->pc);
                         gen_helper_check_breakpoints(cpu_env);
                         /* End the TB early; it's likely not going to be executed */
                         dc->is_jmp = DISAS_UPDATE;