Now that do_cond() uses sign overflow for some condition matches we
need to roll our own version without sign overflow checks.
Signed-off-by: Sven Schnelle <sv...@stackframe.org>
---
target/hppa/translate.c | 29 ++++++++++++++++++++++++++---
1 file changed, 26 insertions(+), 3 deletions(-)
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 0e8cc8117a..bce8773b1a 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -996,12 +996,35 @@ static DisasCond do_sub_cond(unsigned cf, TCGv_reg res,
static DisasCond do_log_cond(unsigned cf, TCGv_reg res)
{
+ DisasCond cond;
+ TCGv_reg tmp;
+
switch (cf >> 1) {
- case 4: case 5: case 6:
- cf &= 1;
+ case 0: /* never */
+ cond = cond_make_f();
+ break;
+ case 1: /* = all bits are zero */
+ cond = cond_make_0(TCG_COND_EQ, res);
+ break;
+ case 2: /* < leftmost bit is 1 */
+ cond = cond_make_0(TCG_COND_LT, res);
+ break;
+ case 3: /* <= leftmost bit is 1 or all bits 0 */
+ cond = cond_make_0(TCG_COND_LE, res);
+ break;
+ case 7: /* OD rightmost bit is 1 */
+ tmp = tcg_temp_new();
+ tcg_gen_andi_reg(tmp, res, 1);
+ cond = cond_make_0(TCG_COND_NE, tmp);
+ tcg_temp_free(tmp);
+ break;
+ default:
break;
}
- return do_cond(cf, res, res, res);
+ if (cf & 1) {
+ cond.c = tcg_invert_cond(cond.c);
+ }
+ return cond;
}
/* Similar, but for shift/extract/deposit conditions. */
--
2.20.1
