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Rev: src/nettle/x86/sha1-compress.asm:1.7

diff --git a/x86/sha1-compress.asm b/x86/sha1-compress.asm
index 27a1e22408c22476f7440d6f5b544a90f94009e4..00d8d83672b495878e04ea7f7a87388ded4a2e93 100644 (file)
--- a/x86/sha1-compress.asm
+++ b/x86/sha1-compress.asm
@@ -101,6 +101,9 @@ define(<ROUND>, <
        addl    $7, $5
        $6($2,$3,$4)
        addl    TMP, $5
+
+C Using the TMP register can be avoided, by rotating $1 in place,
+C adding, and then rotating back.
        movl    $1, TMP
        roll    <$>5, TMP
        addl    TMP, $5