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Fix issue with small, misaligned copies

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This commit is contained in:
Gwilym Kuiper 2022-06-19 13:03:44 +01:00
parent a7d52bbed0
commit c9f1401ef3
1 changed files with 4 additions and 0 deletions
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4
agb/src/agbabi/memcpy.s
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@ -29,6 +29,10 @@ __aeabi_memcpy:
bmi .Lcopy1 bmi .Lcopy1
bcs .Lcopy2 bcs .Lcopy2
// If the number of bytes to copy is less than 4, we should just copy one byte at a time
cmp r2, #4
bmi .Lcopy1
.Lcopy4: .Lcopy4:
// Copy half and byte head // Copy half and byte head
rsb r3, r0, #4 rsb r3, r0, #4