Introduce routine to update OV and OV32 in case it is POWER9 and above.
Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
---
target/ppc/translate.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 143b595..ea0a356 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -833,6 +833,31 @@ static inline void gen_op_update_ov_legacy(TCGv ov)
tcg_temp_free(zero);
}
+static inline void gen_op_update_ov_isa300(TCGv ov, TCGv ov32)
+{
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ tcg_gen_movi_tl(t1, XER_OV | XER_OV32);
+ tcg_gen_andc_tl(cpu_xer, cpu_xer, t1);
+ tcg_gen_shli_tl(t1, ov, XER_OV_BIT);
+ tcg_gen_shli_tl(t2, ov, XER_SO_BIT);
+ tcg_gen_or_tl(t1, t1, t2);
+ tcg_gen_shli_tl(t2, ov32, XER_OV32_BIT);
+ tcg_gen_or_tl(t1, t1, t2);
+ tcg_gen_or_tl(cpu_xer, cpu_xer, t1);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
+}
+
+static inline void gen_op_update_ov(DisasContext *ctx, TCGv ov, TCGv ov32)
+{
+ if (is_isa300(ctx)) {
+ gen_op_update_ov_isa300(ov, ov32);
+ } else {
+ gen_op_update_ov_legacy(ov);
+ }
+}
+
/* Sub functions with one operand and one immediate */
#define GEN_UPDATE_OV(name, const_val) \
static void glue(gen_op_, name)(void) \
--
2.7.4
