[Qemu-devel] [PATCH 01/12] target-arm: fix resource leak in gen_set_cpsr macro

[Juha.Riihimaki]

Current implementation of the gen_set_cpsr macro creates a new  
temporary tcg variable through the tcg_const_i32 call but never marks  
it dead.

Signed-off-by: Juha Riihimäki <address@hidden>
---
diff --git a/target-arm/translate.c b/target-arm/translate.c
index bc51bcb..bda105e 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -184,7 +184,12 @@ static void store_reg(DisasContext *s, int reg,  
TCGv var)
  #define gen_uxtb16(var) gen_helper_uxtb16(var, var)


-#define gen_set_cpsr(var, mask) gen_helper_cpsr_write(var,  
tcg_const_i32(mask))
+#define gen_set_cpsr(var, mask) \
+{ \
+    TCGv tmp_mask = tcg_const_i32(mask); \
+    gen_helper_cpsr_write(var, tmp_mask); \
+    tcg_temp_free_i32(tmp_mask); \
+}
  /* Set NZCV flags from the high 4 bits of var.  */
  #define gen_set_nzcv(var) gen_set_cpsr(var, CPSR_NZCV)

translate.c.gensetcpsr.diff
Description: translate.c.gensetcpsr.diff