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Diffstat (limited to 'gcc/doc/install.texi')
| -rw-r--r-- | gcc/doc/install.texi | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index d8d393985c3..45536aa9fa1 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1597,6 +1597,9 @@ support for @code{libquadmath} on systems supporting it. Specify that the GNU Offloading and Multi Processing Runtime Library should not be built. +@item --disable-libgupc +Specify that the run-time libraries used by GNU UPC should not be built. + @item --disable-libvtv Specify that the run-time libraries used by vtable verification should not be built. @@ -2081,6 +2084,38 @@ When you use this option, you should ensure that @var{dir} includes tools. @end table +@subheading UPC-Specific Options + +The following options apply to the build of the GCC front end; +they control aspects of UPC code generation. + +@table @code + +@item --enable-upc-link-script +Enable UPC's use of a custom linker script; this +will define the UPC shared section as a no load +section on targets where this feature is supported + +@item --with-upc-pts=@var{struct} or @var{packed} +Specify the representation of a UPC pointer-to-shared. +The @var{packed} representation is the default. +The @var{struct} representation supports configurations +with a larger range for the number of UPC threads, +the maximum UPC blocking factor, and address offsets within +a UPC thread. + +@item --with-upc-pts-vaddr-order=@var{last} or @var{first} +Specify the position of the address offset field in the UPC +pointer-to-shared representation. The @var{last} position +is the default. + +@item --with-upc-pts-packed-bits=@var{phase},@var{thread},@var{vaddr} +Specify the bit distribution of the fields +in the packed UPC pointer-to-shared representation. +The default values are @samp{20,10,34}. + +@end table + @subheading Java-Specific Options The following option applies to the build of the Java front end. |