Timeline for Floating Point XOR
Current License: CC BY-SA 4.0
5 events
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| Sep 17, 2019 at 13:36 | history | edited | Sir_Lagsalot | CC BY-SA 4.0 |
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| Sep 17, 2019 at 7:30 | comment | added | Peter Cordes |
You should specify that this is using the soft-float ABI which passes FP args in integer registers, not VFP / NEON s0 and s1.
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| Sep 17, 2019 at 0:31 | comment | added | Cody Gray |
Would it be possible to use EORS r0, r1 instead, in order to save 2 bytes? That's only a 2-byte instruction (48 40), compared to your 4-byte EOR. You're already targeting Thumb, so this should work fine, as far as I can see. The only difference is it updates status flags, but you don't care about that side effect in this case.
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| Sep 16, 2019 at 20:05 | history | edited | Sir_Lagsalot | CC BY-SA 4.0 |
deleted 1 character in body
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| Sep 16, 2019 at 18:25 | history | answered | Sir_Lagsalot | CC BY-SA 4.0 |