1@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1996, 1998, 1999, 2000,
2@c 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
3
4@c This is part of the GCC manual.
5@c For copying conditions, see the file gcc.texi.
6
7@node C Extensions
8@chapter Extensions to the C Language Family

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7250v4si __builtin_ia32_psignd128 (v4si, v4si)
7251v8hi __builtin_ia32_psignw128 (v8hi, v8hi)
7252v2di __builtin_ia32_palignr (v2di, v2di, int)
7253v16qi __builtin_ia32_pabsb128 (v16qi)
7254v4si __builtin_ia32_pabsd128 (v4si)
7255v8hi __builtin_ia32_pabsw128 (v8hi)
7256@end smallexample
7257
7258The following built-in functions are available when @option{-m3dnow} is used.
7259All of them generate the machine instruction that is part of the name.
7260
7261@smallexample
7262void __builtin_ia32_femms (void)
7263v8qi __builtin_ia32_pavgusb (v8qi, v8qi)
7264v2si __builtin_ia32_pf2id (v2sf)
7265v2sf __builtin_ia32_pfacc (v2sf, v2sf)

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