From: Mark Wooding <mdw@distorted.org.uk>
Date: Fri, 8 Mar 2024 03:13:02 +0000 (+0000)
Subject: symm/salsa20-*.S: Fix vector diagrams to be little-endian.
X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/commitdiff_plain/f2cd54455ab0511cf6967de418a3f6efb772d129

symm/salsa20-*.S: Fix vector diagrams to be little-endian.

Missed these in the previous pass.
---

diff --git a/symm/salsa20-arm-neon.S b/symm/salsa20-arm-neon.S
index 9725e8a8..334e182d 100644
--- a/symm/salsa20-arm-neon.S
+++ b/symm/salsa20-arm-neon.S
@@ -204,7 +204,7 @@ FUNC(salsa20_core_arm_neon)
 	// Almost there.  Firstly the feedfoward addition.  Also, establish a
 	// constant which will be useful later.
 9:	vadd.u32 q0, q8, q12			//  0,  5, 10, 15
-	 vmov.i64 q12, #0xffffffff		// = (-1, 0, -1, 0)
+	 vmov.i64 q12, #0xffffffff		// = (0, -1; 0, -1)
 	vadd.u32 q1, q9, q13			//  4,  9, 14,  3
 	vadd.u32 q2, q10, q14			//  8, 13,  2,  7
 	vadd.u32 q3, q11, q15			// 12,  1,  6, 11
diff --git a/symm/salsa20-arm64.S b/symm/salsa20-arm64.S
index a71e53b4..a3bce4ef 100644
--- a/symm/salsa20-arm64.S
+++ b/symm/salsa20-arm64.S
@@ -203,8 +203,8 @@ FUNC(salsa20_core_arm64)
 	// Almost there.  Firstly the feedfoward addition.  Also, establish
 	// constants which will be useful later.
 9:	add	v0.4s, v0.4s, v4.4s		//  0,  5, 10, 15
-	 movi	v16.2d, #0xffffffff		// = (-1, 0, -1, 0)
-	 movi	d17, #-1			// = (-1, -1, 0, 0)
+	 movi	v16.2d, #0xffffffff		// = (0, -1; 0, -1)
+	 movi	d17, #-1			// = (0, 0; -1, -1)
 	add	v1.4s, v1.4s, v5.4s		//  4,  9, 14,  3
 	add	v2.4s, v2.4s, v6.4s		//  8, 13,  2,  7
 	add	v3.4s, v3.4s, v7.4s		// 12,  1,  6, 11