Use a shorter sequence.

diff --git a/sysdeps/alpha/htonl.S b/sysdeps/alpha/htonl.S
index a4e39ce..2358861 100644 (file)
--- a/sysdeps/alpha/htonl.S
+++ b/sysdeps/alpha/htonl.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,15 +30,13 @@ ENTRY(htonl)
        .prologue 0
 #endif
 
-       extlh   a0, 5, t1       # t1 = dd000000
-       zap     a0, 0xfd, t2    # t2 = 0000cc00
-       sll     t2, 5, t2       # t2 = 00198000
-       s8addl  t2, t1, t1      # t1 = ddcc0000
-       zap     a0, 0xfb, t2    # t2 = 00bb0000
-       srl     t2, 8, t2       # t2 = 0000bb00
-       extbl   a0, 3, v0       # v0 = 000000aa
-       or      t1, v0, v0      # v0 = ddcc00aa
-       or      t2, v0, v0      # v0 = ddccbbaa
+       inslh   a0, 7, t0       # t0 = 0000000000AABBCC
+       inswl   a0, 3, t1       # t1 = 000000CCDD000000
+       or      t1, t0, t1      # t1 = 000000CCDDAABBCC
+       sll     t1, 16, t2      # t2 = 0000000000CCDDAA
+       zapnot  t1, 0x0A, t0    # t0 = 00000000DD00BB00
+       zapnot  t2, 0x05, t3    # t3 = 0000000000CC00AA
+       addl    t0, t3, v0      # v0 = ssssssssDDCCBBAA
        ret
 
        END(htonl)