[Qemu-devel] [PATCH v1 04/10] target/ppc: compute ca32 for arithmetic substract

[Nikunj A Dadhania]

For 64-bit mode use the compute ca32 routine. While for 32-bit mode, CA
and CA32 will have same value.

Signed-off-by: Nikunj A Dadhania <address@hidden>
---
 target/ppc/translate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 77045be..dd413de 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -1389,6 +1389,7 @@ static inline void gen_op_arith_subf(DisasContext *ctx, 
TCGv ret, TCGv arg1,
             tcg_temp_free(t1);
             tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);    /* extract bit 32 */
             tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
+            tcg_gen_mov_tl(cpu_ca32, cpu_ca);
         } else {
             if (add_ca) {
                 TCGv zero, inv1 = tcg_temp_new();
@@ -1402,6 +1403,7 @@ static inline void gen_op_arith_subf(DisasContext *ctx, 
TCGv ret, TCGv arg1,
                 tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
                 tcg_gen_sub_tl(t0, arg2, arg1);
             }
+            gen_op_arith_compute_ca32(ctx, arg1, arg2, add_ca, 1);
         }
     } else if (add_ca) {
         /* Since we're ignoring carry-out, we can simplify the
-- 
2.7.4