diff mbox series

[v2,2/3] target/microblaze: Plug temp leaks with delay slot setup

Message ID 20191108124219.31348-3-edgar.iglesias@gmail.com (mailing list archive)
State New, archived
Headers show
Series target/microblaze: Plug tcg temp leaks | expand

Commit Message

Edgar E. Iglesias Nov. 8, 2019, 12:42 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Plug temp leaks with delay slot setup.

Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target/microblaze/translate.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index c8442b18e1..7b4b66a622 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -1177,6 +1177,17 @@  static void eval_cond_jmp(DisasContext *dc, TCGv_i64 pc_true, TCGv_i64 pc_false)
     tcg_temp_free_i64(tmp_zero);
 }
 
+static void dec_setup_dslot(DisasContext *dc)
+{
+        TCGv_i32 tmp = tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG));
+
+        dc->delayed_branch = 2;
+        dc->tb_flags |= D_FLAG;
+
+        tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUMBState, bimm));
+        tcg_temp_free_i32(tmp);
+}
+
 static void dec_bcc(DisasContext *dc)
 {
     unsigned int cc;
@@ -1188,10 +1199,7 @@  static void dec_bcc(DisasContext *dc)
 
     dc->delayed_branch = 1;
     if (dslot) {
-        dc->delayed_branch = 2;
-        dc->tb_flags |= D_FLAG;
-        tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
-                      cpu_env, offsetof(CPUMBState, bimm));
+        dec_setup_dslot(dc);
     }
 
     if (dec_alu_op_b_is_small_imm(dc)) {
@@ -1250,10 +1258,7 @@  static void dec_br(DisasContext *dc)
 
     dc->delayed_branch = 1;
     if (dslot) {
-        dc->delayed_branch = 2;
-        dc->tb_flags |= D_FLAG;
-        tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
-                      cpu_env, offsetof(CPUMBState, bimm));
+        dec_setup_dslot(dc);
     }
     if (link && dc->rd)
         tcg_gen_movi_i32(cpu_R[dc->rd], dc->pc);
@@ -1355,10 +1360,7 @@  static void dec_rts(DisasContext *dc)
         return;
     }
 
-    dc->delayed_branch = 2;
-    dc->tb_flags |= D_FLAG;
-    tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
-                  cpu_env, offsetof(CPUMBState, bimm));
+    dec_setup_dslot(dc);
 
     if (i_bit) {
         LOG_DIS("rtid ir=%x\n", dc->ir);