diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4325ba0f4ae..e57aa1a7de7 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -11817,6 +11817,12 @@ names in the assembly language output using symbolic forms. @itemx -mno-longcall @opindex mlongcall @opindex mno-longcall +@c APPLE LOCAL begin 4222119 +@item -mlong-branch +@itemx -mno-long-branch +@opindex mlong-branch +@opindex mno-long-branch +@c APPLE LOCAL end 4222119 Default to making all function calls indirectly, using a register, so that functions which reside further than 32 megabytes (33,554,432 bytes) from the current location can be called. This setting can be @@ -11839,9 +11845,12 @@ island''. The ``branch island'' is appended to the body of the calling function; it computes the full 32-bit address of the callee and jumps to it. -On Mach-O (Darwin) systems, this option directs the compiler emit to -the glue for every direct call, and the Darwin linker decides whether -to use or discard it. +@c APPLE LOCAL begin 4222119 +On Mach-O (Darwin) systems, @option{-mlongcall} directs the compiler +emit to the glue for every direct call, and the Darwin linker decides +whether to use or discard it. @option{-mlong-branch} is a synonym for +@option{-mlongcall}. +@c APPLE LOCAL end 4222119 In the future, we may cause GCC to ignore all longcall specifications when the linker is known to generate glue. |