Eric Botcazou <ebotca...@adacore.com> writes:
>> 2011-07-27 Rainer Orth <r...@cebitec.uni-bielefeld.de>
>>
>> gcc:
>> * config/sparc/driver-sparc.c: New file.
>> * config/sparc/x-sparc: New file.
>> * config.host: Use driver-sparc.o, sparc/x-sparc on
>> sparc*-*-solaris2*.
>> * config/sparc/sparc.opt (native): New value for enum
>> processor_type.
>> * config/sparc/sparc-opts.h (PROCESSOR_NATIVE): Declare.
>> * config/sparc/sparc.c (sparc_option_override): Abort if
>> PROCESSOR_NATIVE gets here.
>> * config/sparc/sol2.h [__sparc__] (host_detect_local_cpu): Declare.
>> (EXTRA_SPEC_FUNCTIONS, MCPU_MTUNE_NATIVE_SPECS,
>> DRIVER_SELF_SPECS): Define.
>> * configure.ac (EXTRA_GCC_LIBS): Check for libkstat.
>> Substitute result.
>> * configure: Regenerate.
>> * Makefile.in (EXTRA_GCC_LIBS): Set.
>> (xgcc$(exeext)): Add $(EXTRA_GCC_LIBS).
>> (cpp$(exeext)): Likewise.
>
> OK if you document the new value in doc/invoke.texi, thanks in advance.
Sure, done as follows:
2011-07-27 Rainer Orth <r...@cebitec.uni-bielefeld.de>
* doc/invoke.texi (SPARC Options, -mcpu): Document native.
(SPARC Options, -mtune): Likewise.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -17263,6 +17263,11 @@ for machine type @var{cpu_type}. Suppor
@samp{sparclet}, @samp{tsc701}, @samp{v9}, @samp{ultrasparc},
@samp{ultrasparc3}, @samp{niagara} and @samp{niagara2}.
+Native Solaris 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.
+
Default instruction scheduling parameters are used for values that select
an architecture and not an implementation. These are @samp{v7}, @samp{v8},
@samp{sparclite}, @samp{sparclet}, @samp{v9}.
@@ -17327,7 +17332,8 @@ The same values for @option{-mcpu=@var{c
that select a particular CPU implementation. Those are @samp{cypress},
@samp{supersparc}, @samp{hypersparc}, @samp{leon}, @samp{f930}, @samp{f934},
@samp{sparclite86x}, @samp{tsc701}, @samp{ultrasparc}, @samp{ultrasparc3},
-@samp{niagara}, and @samp{niagara2}.
+@samp{niagara}, and @samp{niagara2}. With native Solaris toolchains,
+@samp{native} can also be used.
@item -mv8plus
@itemx -mno-v8plus
Tested in a i386-pc-solaris2.11 bootstrap and visual inspection with
info.
Installed on mainline.
Thanks.
Rainer
--
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University
