icount: remove unnecessary gen_io_end calls

Prior patch resets can_do_io flag at the TB entry. Therefore there is no
need in resetting this flag at the end of the block.
This patch removes redundant gen_io_end calls.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <156404429499.18669.13404064982854123855.stgit@pasha-Precision-3630-Tower>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@gmail.com>

2 files changed, 0 insertions, 15 deletions

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 9f9553afb4..2a9d13f7e5 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -1861,7 +1861,6 @@ static void gen_darn(DisasContext *ctx)
             gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
         }
         if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-            gen_io_end();
             gen_stop_exception(ctx);
         }
     }
@@ -3991,9 +3990,6 @@ static void gen_rfi(DisasContext *ctx)
     gen_update_cfar(ctx, ctx->base.pc_next - 4);
     gen_helper_rfi(cpu_env);
     gen_sync_exception(ctx);
-    if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-        gen_io_end();
-    }
 #endif
 }
 
@@ -4011,9 +4007,6 @@ static void gen_rfid(DisasContext *ctx)
     gen_update_cfar(ctx, ctx->base.pc_next - 4);
     gen_helper_rfid(cpu_env);
     gen_sync_exception(ctx);
-    if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-        gen_io_end();
-    }
 #endif
 }
 
@@ -4389,9 +4382,6 @@ static void gen_mtmsrd(DisasContext *ctx)
         /* Must stop the translation as machine state (may have) changed */
         /* Note that mtmsr is not always defined as context-synchronizing */
         gen_stop_exception(ctx);
-        if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-            gen_io_end();
-        }
     }
 #endif /* !defined(CONFIG_USER_ONLY) */
 }
@@ -4429,9 +4419,6 @@ static void gen_mtmsr(DisasContext *ctx)
         tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
 #endif
         gen_helper_store_msr(cpu_env, msr);
-        if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-            gen_io_end();
-        }
         tcg_temp_free(msr);
         /* Must stop the translation as machine state (may have) changed */
         /* Note that mtmsr is not always defined as context-synchronizing */
diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index 86fc8f2e31..66d9a732e0 100644
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -189,7 +189,6 @@ static void spr_read_decr(DisasContext *ctx, int gprn, int sprn)
     }
     gen_helper_load_decr(cpu_gpr[gprn], cpu_env);
     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-        gen_io_end();
         gen_stop_exception(ctx);
     }
 }
@@ -201,7 +200,6 @@ static void spr_write_decr(DisasContext *ctx, int sprn, int gprn)
     }
     gen_helper_store_decr(cpu_env, cpu_gpr[gprn]);
     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
-        gen_io_end();
         gen_stop_exception(ctx);
     }
 }