[PATCH] D94964: [LangRef] Describe memory layout for vectors types

Bjorn Pettersson via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 27 00:40:04 PDT 2023


bjope added inline comments.


================
Comment at: llvm/docs/LangRef.rst:3253
+      ;    [%ptr + 0]: 01010011  (0x53)
+      ;    [%ptr + 1]: 00100001  (0x21)
+
----------------
danilaml wrote:
> Why is the least significant byte is placed at the largest memory address here, if it's little endian, just like for big endian?
> Shouldn't it be reversed?
@danilaml : Right, that indeed looks like a typo.
```
store i16 0x5321, i16* %ptr
```
would ofcourse put the 0x21 at the lower memory address. So this should say

```
;    [%ptr + 0]: 00100001  (0x21)
;    [%ptr + 1]: 01010011  (0x53)
```


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  https://reviews.llvm.org/D94964/new/

https://reviews.llvm.org/D94964



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