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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 39c805b04d3..7541e3a92f3 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -496,6 +496,10 @@ Objective-C and Objective-C++ Dialects}. -mfast-fp -minline-plt -mmulticore -mcorea -mcoreb -msdram @gol -micplb} +@emph{C6X Options} +@gccoptlist{-mbig-endian -mlittle-endian -march=@var{cpu} @gol +-msim -msdata=@var{sdata-type}} + @emph{CRIS Options} @gccoptlist{-mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol -mmax-stack-frame=@var{n} -melinux-stacksize=@var{n} @gol @@ -10091,6 +10095,7 @@ platform. * ARM Options:: * AVR Options:: * Blackfin Options:: +* C6X Options:: * CRIS Options:: * Darwin Options:: * DEC Alpha Options:: @@ -10755,6 +10760,54 @@ anomaly workarounds. For Linux targets, the default is to assume ICPLBs are enabled; for standalone applications the default is off. @end table +@node C6X Options +@subsection C6X Options +@cindex C6X Options + +@table @gcctabopt +@item -march=@var{name} +@opindex march +This specifies the name of the target architecture. GCC uses this +name to determine what kind of instructions it can emit when generating +assembly code. Permissible names are: @samp{c62x}, +@samp{c64x}, @samp{c64x+}, @samp{c67x}, @samp{c67x+}, @samp{c674x}. + +@item -mbig-endian +@opindex mbig-endian +Generate code for a big endian target. + +@item -mlittle-endian +@opindex mlittle-endian +Generate code for a little endian target. This is the default. + +@item -msim +@opindex msim +Choose startup files and linker script suitable for the simulator. + +@item -msdata=default +@opindex msdata=default +Put small global and static data in the @samp{.neardata} section, +which is pointed to by register @code{B14}. Put small uninitialized +global and static data in the @samp{.bss} section, which is adjacent +to the @samp{.neardata} section. Put small read-only data into the +@samp{.rodata} section. The corresponding sections used for large +pieces of data are @samp{.fardata}, @samp{.far} and @samp{.const}. + +@item -msdata=all +@opindex msdata=all +Put all data, not just small objets, into the sections reserved for +small data, and use addressing relative to the @code{B14} register to +access them. + +@item -msdata=none +@opindex msdata=none +Make no use of the sections reserved for small data, and use absolute +addresses to access all data. Put all initialized global and static +data in the @samp{.fardata} section, and all uninitialized data in the +@samp{.far} section. Put all constant data into the @samp{.const} +section. +@end table + @node CRIS Options @subsection CRIS Options @cindex CRIS Options |