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armv8 float registers graph

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Ciro Santilli 六四事件 法轮功
2019-08-21 00:00:00 +00:00
parent 12620efa8e
commit 855a92133b
1 changed files with 18 additions and 1 deletions
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README.adoc
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@@ -14963,7 +14963,24 @@ ____
* An 8-bit register named B0 to B31.
____
Notice how Sn is very different between v7 and v8! In v7 it goes across Dn, and in v8 inside each Dn.
Notice how Sn is very different between v7 <<arm-vfp-registers>> and v8! In v7 it goes across Dn, and in v8 inside each Dn:
....
128 64 32 16 8 0
+---------------------------+-------------------+-------+---+---+
| Vn |
+---------------------------------------------------------------+
| Qn |
+---------------------------+-----------------------------------+
| Dn |
+-----------------------------------+
| Sn |
+---------------+
| Hn |
+-------+
|Bn |
+---+
....
===== ARMv8 aarch64 add vector instruction