2003-06-20  H.J. Lu <hongjiu.lu@intel.com>

	* doc/extend.texi: Document new builtin functions for Intel
	Prescott New Intrunctions.

	* doc/invoke.texi: Document new command-line options, -mpni and
	-mno-pni, for Intel Prescott New Intrunctions.

--- gcc/doc/extend.texi.pni-doc	2003-06-20 10:02:17.000000000 -0700
+++ gcc/doc/extend.texi	2003-06-20 16:44:54.000000000 -0700
@@ -5592,6 +5592,31 @@ Generates the @code{movhps} machine inst
 Generates the @code{movlps} machine instruction as a store to memory.
 @end table
 
+The following built-in functions are available when @option{-mpni} is used.
+All of them generate the machine instruction that is part of the name.
+
+@example
+v2df __builtin_ia32_addsubpd (v2df, v2df)
+v2df __builtin_ia32_addsubps (v2df, v2df)
+v2df __builtin_ia32_haddpd (v2df, v2df)
+v2df __builtin_ia32_haddps (v2df, v2df)
+v2df __builtin_ia32_hsubpd (v2df, v2df)
+v2df __builtin_ia32_hsubps (v2df, v2df)
+v16qi __builtin_ia32_lddqu (char const *)
+void __builtin_ia32_monitor (void *, unsigned int, unsigned int)
+v2df __builtin_ia32_movddup (v2df)
+v4sf __builtin_ia32_movshdup (v4sf)
+v4sf __builtin_ia32_movsldup (v4sf)
+void __builtin_ia32_mwait (unsigned int, unsigned int)
+@end example
+
+The following built-in functions are available when @option{-mpni} is used.
+
+@table @code
+@item v2df __builtin_ia32_loadddup (double const *)
+Generates the @code{movddup} machine instruction as a load from memory.
+@end table
+
 The following built-in functions are available when @option{-m3dnow} is used.
 All of them generate the machine instruction that is part of the name.
 
--- gcc/doc/invoke.texi.pni-doc	2003-06-20 10:02:18.000000000 -0700
+++ gcc/doc/invoke.texi	2003-06-20 16:16:10.000000000 -0700
@@ -487,7 +487,7 @@ in the following sections.
 -mno-fp-ret-in-387  -msoft-float  -msvr3-shlib @gol
 -mno-wide-multiply  -mrtd  -malign-double @gol
 -mpreferred-stack-boundary=@var{num} @gol
--mmmx  -msse  -msse2  -m3dnow @gol
+-mmmx  -msse  -msse2 -mpni -m3dnow @gol
 -mthreads  -mno-align-stringops  -minline-all-stringops @gol
 -mpush-args  -maccumulate-outgoing-args  -m128bit-long-double @gol
 -m96bit-long-double  -mregparm=@var{num}  -momit-leaf-frame-pointer @gol
@@ -8199,6 +8199,13 @@ code that expects temporaries to be 80bi
 
 This is the default choice for x86-64 compiler.
 
+@item pni
+Use all SSE extensions enabled by @option{-msse2} as well as the new
+SSE extensions in Prescott New Intrunctions. @option{-mpni} also
+enables 2 builtin functions, @code{__builtin_ia32_monitor} and
+@code{__builtin_ia32_mwait}, for new intrunctions @code{monitor} and
+@code{mwait}. 
+
 @item sse,387
 Attempt to utilize both instruction sets at once.  This effectively double the
 amount of available registers and on chips with separate execution units for
@@ -8380,6 +8387,8 @@ preferred alignment to @option{-mpreferr
 @itemx -mno-sse
 @item -msse2
 @itemx -mno-sse2
+@item -mpni
+@itemx -mno-pni
 @item -m3dnow
 @itemx -mno-3dnow
 @opindex mmmx