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arm: signed LDR example with LDRSW

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Ciro Santilli 六四事件 法轮功
2019-08-25 00:00:00 +00:00
parent 0acff266e2
commit 6dfc95d73a
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README.adoc
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@@ -14696,6 +14696,10 @@ There are LDR variants that load less than full 4 bytes:
* link:userland/arch/arm/ldrb.S[]: load byte
* link:userland/arch/arm/ldrh.S[]: load half word
These also have signed and unsigned versions to either zero or one extend the result:
* link:userland/arch/aarch64/ldrsw.S[]: load byte and sign extend
==== ARM STR instruction
Store from memory into registers.