On 2020/3/28 9:22, Richard Henderson wrote:
On 3/27/20 6:07 PM, LIU Zhiwei wrote:
On 2020/3/28 8:32, Richard Henderson wrote:
On 3/18/20 8:46 PM, LIU Zhiwei wrote:
+static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a, int32_t
b)
+{
+int64_t res = (int64_t)a - b;
+
On 3/27/20 6:07 PM, LIU Zhiwei wrote:
>
>
> On 2020/3/28 8:32, Richard Henderson wrote:
>> On 3/18/20 8:46 PM, LIU Zhiwei wrote:
>>> +static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a,
>>> int32_t b)
>>> +{
>>> +int64_t res = (int64_t)a - b;
>>> +uint8_t round = get_ro
On 2020/3/28 8:32, Richard Henderson wrote:
On 3/18/20 8:46 PM, LIU Zhiwei wrote:
+static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a, int32_t
b)
+{
+int64_t res = (int64_t)a - b;
+uint8_t round = get_round(vxrm, res, 1);
+
+return (res >> 1) + round;
+}
+
I fin
On 3/18/20 8:46 PM, LIU Zhiwei wrote:
> +static inline int32_t asub32(CPURISCVState *env, int vxrm, int32_t a,
> int32_t b)
> +{
> +int64_t res = (int64_t)a - b;
> +uint8_t round = get_round(vxrm, res, 1);
> +
> +return (res >> 1) + round;
> +}
> +
>
> I find a corner case here. As t
On 2020/3/17 23:06, LIU Zhiwei wrote:
Signed-off-by: LIU Zhiwei
---
target/riscv/helper.h | 17
target/riscv/insn32.decode | 5 ++
target/riscv/insn_trans/trans_rvv.inc.c | 7 ++
target/riscv/vector_helper.c| 100
4
Signed-off-by: LIU Zhiwei
---
target/riscv/helper.h | 17
target/riscv/insn32.decode | 5 ++
target/riscv/insn_trans/trans_rvv.inc.c | 7 ++
target/riscv/vector_helper.c| 100
4 files changed, 129 insertions(+)
diff --
