Displaying 5 results from an estimated 5 matches for "__mm128i".
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__m128i
2017 Aug 18
2
[PATCH] fix alignment exceptions
Hi,
Please find attached a patch to fix alignment exceptions. Without this
change, we were seeing occasional alignment faults when using this with
clang.
Thanks,
Felicia
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A non-text
2017 Aug 18
2
[PATCH] fix alignment exceptions
...gt; intrinsic. Do you no longer see that?
>
> How does the code compile for you, and what is the issue you’re seeing?
> (One issue might be that clang’s address sanitizer isn’t smart enough to
> know that PMOVSXWD only loads 8 bytes, despite _mm_cvtepi16_epi32’s
> argument being an __mm128i; I’ve seen it trigger incorrect out-of-bounds
> read errors.)
>
> On Aug 18, 2017, at 12:34 PM, Felicia Lim <flim at google.com> wrote:
>
> Hi,
>
> Please find attached a patch to fix alignment exceptions. Without this
> change, we were seeing occasional alignment faul...
2017 Aug 18
1
[PATCH] fix alignment exceptions
...ou no longer see that?
>>
>> How does the code compile for you, and what is the issue you’re seeing?
>> (One issue might be that clang’s address sanitizer isn’t smart enough to
>> know that PMOVSXWD only loads 8 bytes, despite _mm_cvtepi16_epi32’s
>> argument being an __mm128i; I’ve seen it trigger incorrect out-of-bounds
>> read errors.)
>>
>> On Aug 18, 2017, at 12:34 PM, Felicia Lim <flim at google.com> wrote:
>>
>> Hi,
>>
>> Please find attached a patch to fix alignment exceptions. Without this
>> change, we were...
2017 Aug 18
0
[PATCH] fix alignment exceptions
...he explicit _mm_loadl_epi64 intrinsic. Do you no longer see that?
How does the code compile for you, and what is the issue you’re seeing? (One issue might be that clang’s address sanitizer isn’t smart enough to know that PMOVSXWD only loads 8 bytes, despite _mm_cvtepi16_epi32’s argument being an __mm128i; I’ve seen it trigger incorrect out-of-bounds read errors.)
On Aug 18, 2017, at 12:34 PM, Felicia Lim <flim at google.com<mailto:flim at google.com>> wrote:
Hi,
Please find attached a patch to fix alignment exceptions. Without this change, we were seeing occasional alignment faults w...
2017 Aug 22
0
[PATCH] fix alignment exceptions
...he explicit _mm_loadl_epi64 intrinsic. Do you no longer see that?
How does the code compile for you, and what is the issue you’re seeing? (One issue might be that clang’s address sanitizer isn’t smart enough to know that PMOVSXWD only loads 8 bytes, despite _mm_cvtepi16_epi32’s argument being an __mm128i; I’ve seen it trigger incorrect out-of-bounds read errors.)
On Aug 18, 2017, at 12:34 PM, Felicia Lim <flim at google.com<mailto:flim at google.com>> wrote:
Hi,
Please find attached a patch to fix alignment exceptions. Without this change, we were seeing occasional alignment faults w...