invoke.texi (DEC Alpha Options, -mcpu): native support isn't Linux/GNU-specific.

	* doc/invoke.texi (DEC Alpha Options, -mcpu): native support isn't
	Linux/GNU-specific.
	(DEC Alpha Options, -mtune): Likewise.
	(MIPS Options, -march): native is supported on IRIX.

From-SVN: r177560

gcc/ChangeLog

 2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
+	* doc/invoke.texi (DEC Alpha Options, -mcpu): native support isn't
+	Linux/GNU-specific.
+	(DEC Alpha Options, -mtune): Likewise.
+	(MIPS Options, -march): native is supported on IRIX.
+
+2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
 	* config/sparc/driver-sparc.c: New file.
 	* config/sparc/x-sparc: New file.
 	* config.host: Use driver-sparc.o, sparc/x-sparc on

gcc/doc/invoke.texi

@@ -11533,7 +11533,7 @@ Schedules as an EV6 and supports the BWX, FIX, and MAX extensions.
 Schedules as an EV6 and supports the BWX, CIX, FIX, and MAX extensions.
 @end table
 
-Native Linux/GNU toolchains also support the value @samp{native},
+Native toolchains also support the value @samp{native},
 which selects the best architecture option for the host processor.
 @option{-mcpu=native} has no effect if GCC does not recognize
 the processor.
@@ -11543,7 +11543,7 @@ the processor.
 Set only the instruction scheduling parameters for machine type
 @var{cpu_type}.  The instruction set is not changed.
 
-Native Linux/GNU toolchains also support the value @samp{native},
+Native toolchains also support the value @samp{native},
 which selects the best architecture option for the host processor.
 @option{-mtune=native} has no effect if GCC does not recognize
 the processor.
@@ -14319,7 +14319,7 @@ The special value @samp{from-abi} selects the
 most compatible architecture for the selected ABI (that is,
 @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@.
 
-Native Linux/GNU toolchains also support the value @samp{native},
+Native Linux/GNU and IRIX toolchains also support the value @samp{native},
 which selects the best architecture option for the host processor.
 @option{-march=native} has no effect if GCC does not recognize
 the processor.