diff options
Diffstat (limited to 'contrib/gcc/doc/invoke.texi')
| -rw-r--r-- | contrib/gcc/doc/invoke.texi | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/contrib/gcc/doc/invoke.texi b/contrib/gcc/doc/invoke.texi index 3475408..e683d0c 100644 --- a/contrib/gcc/doc/invoke.texi +++ b/contrib/gcc/doc/invoke.texi @@ -3651,7 +3651,8 @@ invoking @option{-O2} on programs that use computed gotos. @opindex O3 Optimize yet more. @option{-O3} turns on all optimizations specified by @option{-O2} and also turns on the @option{-finline-functions}, -@option{-fweb} and @option{-frename-registers} options. +@option{-fweb}, @option{-frename-registers} and @option{-funswitch-loops} +options. @item -O0 @opindex O0 @@ -8691,7 +8692,8 @@ have any affect on which ld is called, it only changes what parameters are passed to that ld. The ld that is called is determined by the @option{--with-ld} configure option, GCC's program search path, and finally by the user's @env{PATH}. The linker used by GCC can be printed -using @samp{which `gcc -print-prog-name=ld`}. +using @samp{which `gcc -print-prog-name=ld`}. This option is only available +on the 64 bit HP-UX GCC, i.e. configured with @samp{hppa*64*-*-hpux*}. @item -mhp-ld @opindex hp-ld @@ -8703,7 +8705,8 @@ which ld is called, it only changes what parameters are passed to that ld. The ld that is called is determined by the @option{--with-ld} configure option, GCC's program search path, and finally by the user's @env{PATH}. The linker used by GCC can be printed using @samp{which -`gcc -print-prog-name=ld`}. +`gcc -print-prog-name=ld`}. This option is only available on the 64 bit +HP-UX GCC, i.e. configured with @samp{hppa*64*-*-hpux*}. @item -mlong-calls @opindex mno-long-calls @@ -10075,8 +10078,8 @@ specified separated by a comma. Specify bit size of immediate TLS offsets. Valid values are 14, 22, and 64. -@item -mtune-arch=@var{cpu-type} -@opindex mtune-arch +@item -mtune=@var{cpu-type} +@opindex mtune Tune the instruction scheduling for a particular CPU, Valid values are itanium, itanium1, merced, itanium2, and mckinley. |
