Fix comment character (#76)

pqcrypto-internals/cfiles/keccak2x/feat.S

@@ -27,8 +27,8 @@ SOFTWARE.
 #if (__APPLE__ && __ARM_FEATURE_CRYPTO) || (__ARM_FEATURE_SHA3)
 
 .macro round
-    ; Execute theta, but without xoring into the state yet.
-    ; Compute parities p[i] = a[i] ^ a[5+i] ^ ... ^ a[20+i].
+    // Execute theta, but without xoring into the state yet.
+    // Compute parities p[i] = a[i] ^ a[5+i] ^ ... ^ a[20+i].
     eor3.16b v25, v0, v5, v10
     eor3.16b v26, v1, v6, v11
     eor3.16b v27, v2, v7, v12
@@ -41,14 +41,14 @@ SOFTWARE.
     eor3.16b v28, v28, v18, v23
     eor3.16b v29, v29, v19, v24
 
-    rax1.2d v30, v29, v26 ; d[0] = rotl(p[1], 1) ^ p[4]
-    rax1.2d v29, v27, v29 ; d[3] = rotl(p[4], 1) ^ p[2]
-    rax1.2d v27, v25, v27 ; d[1] = rotl(p[2], 1) ^ p[0]
-    rax1.2d v25, v28, v25 ; d[4] = rotl(p[0], 1) ^ p[3]
-    rax1.2d v28, v26, v28 ; d[2] = rotl(p[3], 1) ^ p[1]
+    rax1.2d v30, v29, v26 // d[0] = rotl(p[1], 1) ^ p[4]
+    rax1.2d v29, v27, v29 // d[3] = rotl(p[4], 1) ^ p[2]
+    rax1.2d v27, v25, v27 // d[1] = rotl(p[2], 1) ^ p[0]
+    rax1.2d v25, v28, v25 // d[4] = rotl(p[0], 1) ^ p[3]
+    rax1.2d v28, v26, v28 // d[2] = rotl(p[3], 1) ^ p[1]
 
-    ; Xor parities from step theta into the state at the same time
-    ; as executing rho and pi.
+    // Xor parities from step theta into the state at the same time
+    // as executing rho and pi.
     eor.16b v0, v0,  v30
     mov.16b v31, v1
     xar.2d v1,  v6,  v27, 20
@@ -76,7 +76,7 @@ SOFTWARE.
     xar.2d v7,  v10, v30, 61
     xar.2d v10, v31, v27, 63
 
-    ; Chi
+    // Chi
     bcax.16b v25, v0,  v2,  v1
     bcax.16b v26, v1,  v3,  v2
     bcax.16b v2,  v2,  v4,  v3
@@ -117,7 +117,7 @@ SOFTWARE.
     mov.16b v20, v25
     mov.16b v21, v26
 
-    ; iota
+    // iota
     ld1r {v25.2d}, [x1], #8
     eor.16b v0, v0, v25
 .endm