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symm/rijndael-arm64-crypto.S: Fix bogus element-to-GP move.
author
Mark Wooding
<mdw@distorted.org.uk>
Wed, 18 Sep 2019 17:24:49 +0000
(18:24 +0100)
committer
Mark Wooding
<mdw@distorted.org.uk>
Sat, 21 Sep 2019 15:58:49 +0000
(16:58 +0100)
Spotted by Clang's assembler. GAS is obviously too lenient.
(cherry picked from commit
cead42fc5cf5ff8c1c13f123e4c002077b42f6cd
)
symm/rijndael-arm64-crypto.S
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diff --git
a/symm/rijndael-arm64-crypto.S
b/symm/rijndael-arm64-crypto.S
index
8739c19
..
9f68ae8
100644
(file)
--- a/
symm/rijndael-arm64-crypto.S
+++ b/
symm/rijndael-arm64-crypto.S
@@
-108,7
+108,7
@@
FUNC(rijndael_setup_arm64_crypto)
// the byte substitution.
dup v0.4s, w14
aese v0.16b, v1.16b // effectively, just SubBytes
- mov w14, v0.
4
s[0]
+ mov w14, v0.s[0]
b 2f
// First word of the cycle. Byte substitution, rotation, and round
@@
-116,7
+116,7
@@
FUNC(rijndael_setup_arm64_crypto)
1: ldrb w13, [x5], #1 // next round constant
dup v0.4s, w14
aese v0.16b, v1.16b // effectively, just SubBytes
- mov w14, v0.
4
s[0]
+ mov w14, v0.s[0]
eor w14, w13, w14, ror #8
// Common ending: mix in the word from the previous cycle and store.