David Gibson <da...@gibson.dropbear.id.au> writes:
> [ Unknown signature status ]
> On Wed, Jul 27, 2016 at 12:56:55AM +0530, Nikunj A Dadhania wrote:
>> From: Swapnil Bokade <bokadeswap...@gmail.com>
>>
>> Adds following instructions:
>>
>> vcmpnezb[.]: Vector Compare Not Equal or Zero Byte
>> vcmpnezh[.]: Vector Compare Not Equal or Zero Halfword
>> vcmpnezw[.]: Vector Compare Not Equal or Zero Word
>>
>> Signed-off-by: Swapnil Bokade <bokadeswap...@gmail.com>
>> Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
>> ---
>> target-ppc/helper.h | 6 ++++++
>> target-ppc/int_helper.c | 49
>> +++++++++++++++++++++++++++++++++++++++++++++++++
>> target-ppc/translate.c | 6 ++++++
>> 3 files changed, 61 insertions(+)
>>
>> diff --git a/target-ppc/helper.h b/target-ppc/helper.h
>> index ff6287e..e93b84b 100644
>> --- a/target-ppc/helper.h
>> +++ b/target-ppc/helper.h
>> @@ -144,6 +144,9 @@ DEF_HELPER_4(vcmpequb, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequh, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequw, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequd, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezb, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezh, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezw, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtub, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtuh, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtuw, void, env, avr, avr, avr)
>> @@ -160,6 +163,9 @@ DEF_HELPER_4(vcmpequb_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequh_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequw_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpequd_dot, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezb_dot, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezh_dot, void, env, avr, avr, avr)
>> +DEF_HELPER_4(vcmpnezw_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtub_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtuh_dot, void, env, avr, avr, avr)
>> DEF_HELPER_4(vcmpgtuw_dot, void, env, avr, avr, avr)
>> diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
>> index c1b341c..bffe8d6 100644
>> --- a/target-ppc/int_helper.c
>> +++ b/target-ppc/int_helper.c
>> @@ -718,6 +718,55 @@ VCMP(gtsd, >, s64)
>> #undef VCMP_DO
>> #undef VCMP
>>
>> +#define VCMPNEZ_DO(suffix, element, record) \
>> +void helper_vcmpnez##suffix(CPUPPCState *env, ppc_avr_t *r, \
>> + ppc_avr_t *a, ppc_avr_t *b) \
>> +{ \
>> + uint64_t ones = (uint64_t)-1; \
>> + uint64_t all = ones; \
>> + uint64_t none = 0; \
>> + int i; \
>> + \
>> + for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
>> + uint64_t result = ((a->element[i] == 0) \
>> + || (b->element[i] == 0) \
>> + || (a->element[i] != b->element[i]) ? \
>> + ones : 0x0);
>> \
>
> Couldn't you just use r->element[i] = result instead of the switch?
Yes, you are right.
>> + switch (sizeof(a->element[0])) { \
>> + case 8: \
>> + r->u64[i] = result; \
>> + break;
>> \
>
> Also it doesn't actually look like there is a 64-bit case.
Right, will drop.
Regards
Nikunj
