Re: [Qemu-devel] [PATCH v2 03/32] s390x/tcg: Utilities for vector instruction helpers

[David Hildenbrand <david@redhat.com>]

On 01.03.19 17:13, David Hildenbrand wrote:
> On 01.03.19 17:09, Richard Henderson wrote:
>> On 3/1/19 3:53 AM, David Hildenbrand wrote:
>>> +#ifndef S390X_VEC_H
>>> +#define S390X_VEC_H
>>> +
>>> +typedef union S390Vector {
>>> +    uint64_t doubleword[2];
>>> +    uint32_t word[4];
>>> +    uint16_t halfword[8];
>>> +    uint8_t byte[16];
>>> +} S390Vector;
>>> +
>>> +uint8_t s390_vec_read_element8(const S390Vector *v, uint8_t enr);
>>> +uint16_t s390_vec_read_element16(const S390Vector *v, uint8_t enr);
>>> +uint32_t s390_vec_read_element32(const S390Vector *v, uint8_t enr);
>>> +uint64_t s390_vec_read_element64(const S390Vector *v, uint8_t enr);
>>> +void s390_vec_write_element8(S390Vector *v, uint8_t enr, uint8_t data);
>>> +void s390_vec_write_element16(S390Vector *v, uint8_t enr, uint16_t data);
>>> +void s390_vec_write_element32(S390Vector *v, uint8_t enr, uint32_t data);
>>> +void s390_vec_write_element64(S390Vector *v, uint8_t enr, uint64_t data);
>>> +
>>
>> These, I think, should be static inline.  Certainly I think they're too small
>> to warrant a real call across modules, as you appear to be preparing for...
> 
> I'm wondering, won't link-time optimization properly handle this? (so
> far the theory I know of)
> 
> But I can move these completely into the head.

Just checked the binary, definetly not optimized during link time. Will
make them static inline. Thanks!

-- 

Thanks,

David / dhildenb