On 25/02/2019 12.55, David Hildenbrand wrote:
> We'll use that a lot along with gvec helpers, to calculate the start
> address of a vector.
>
> Signed-off-by: David Hildenbrand <da...@redhat.com>
> ---
> target/s390x/translate.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/target/s390x/translate.c b/target/s390x/translate.c
> index 916508b567..f8c285a685 100644
> --- a/target/s390x/translate.c
> +++ b/target/s390x/translate.c
> @@ -145,12 +145,17 @@ void s390x_translate_init(void)
> }
> }
>
> +static inline int vec_full_reg_offset(uint8_t reg)
> +{
> + g_assert(reg < 32);
> + return offsetof(CPUS390XState, vregs[reg][0].d);
> +}
> +
> static inline int vec_reg_offset(uint8_t reg, uint8_t enr, TCGMemOp es)
> {
> const uint8_t bytes = 1 << es;
> int offs = enr * bytes;
>
> - g_assert(reg < 32);
> /*
> * vregs[n][0] is the lowest 8 byte and vregs[n][1] the highest 8 byte
> * of the 16 byte vector, on both, little and big endian systems.
> @@ -177,7 +182,7 @@ static inline int vec_reg_offset(uint8_t reg, uint8_t
> enr, TCGMemOp es)
> #ifndef HOST_WORDS_BIGENDIAN
> offs ^= (8 - bytes);
> #endif
> - return offs + offsetof(CPUS390XState, vregs[reg][0].d);
> + return offs + vec_full_reg_offset(reg);
> }
>
> static inline int freg64_offset(uint8_t reg)
>
Reviewed-by: Thomas Huth <th...@redhat.com>
