symm/rijndael-arm64-crypto.S: Fix bogus element-to-GP move.

Spotted by Clang's assembler.  GAS is obviously too lenient.

diff --git a/symm/rijndael-arm64-crypto.S b/symm/rijndael-arm64-crypto.S
index f2d3f45971f04567262241aef5d5794f28227a07..98f617341f82a198f45a6b8ac6c45c8630747ba8 100644 (file)
--- a/symm/rijndael-arm64-crypto.S
+++ b/symm/rijndael-arm64-crypto.S
@@ -110,7 +110,7 @@ FUNC(rijndael_setup_arm64_crypto)
        // the byte substitution.
        dup     v0.4s, w14
        aese    v0.16b, v1.16b          // effectively, just SubBytes
        // the byte substitution.
        dup     v0.4s, w14
        aese    v0.16b, v1.16b          // effectively, just SubBytes

-       mov     w14, v0.4s[0]
+       mov     w14, v0.s[0]

        b       2f
 
        // First word of the cycle.  Byte substitution, rotation, and round
        b       2f
 
        // First word of the cycle.  Byte substitution, rotation, and round


@@ -118,7 +118,7 @@ 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
 1:     ldrb    w13, [x5], #1           // next round constant
        dup     v0.4s, w14
        aese    v0.16b, v1.16b          // effectively, just SubBytes

-       mov     w14, v0.4s[0]
+       mov     w14, v0.s[0]

        eor     w14, w13, w14, ror #8
 
        // Common ending: mix in the word from the previous cycle and store.
        eor     w14, w13, w14, ror #8
 
        // Common ending: mix in the word from the previous cycle and store.