diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 74418d69597..4e8ce86ba17 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -949,7 +949,7 @@ See RS/6000 and PowerPC Options. -m64 -m31 -mdebug -mno-debug -mesa -mzarch @gol -mtpf-trace -mno-tpf-trace -mfused-madd -mno-fused-madd @gol -mwarn-framesize -mwarn-dynamicstack -mstack-size -mstack-guard @gol --mhotpatch[=@var{halfwords}] -mno-hotpatch} +-mhotpatch=@var{halfwords},@var{halfwords}} @emph{Score Options} @gccoptlist{-meb -mel @gol @@ -20371,17 +20371,17 @@ In order to be efficient the extra code makes the assumption that the stack star at an address aligned to the value given by @var{stack-size}. The @var{stack-guard} option can only be used in conjunction with @var{stack-size}. -@item -mhotpatch[=@var{halfwords}] -@itemx -mno-hotpatch +@item -mhotpatch=@var{pre-halfwords},@var{post-halfwords} @opindex mhotpatch If the hotpatch option is enabled, a ``hot-patching'' function prologue is generated for all functions in the compilation unit. The funtion label is prepended with the given number of two-byte -Nop instructions (@var{halfwords}, maximum 1000000) or 12 Nop -instructions if no argument is present. Functions with a -hot-patching prologue are never inlined automatically, and a -hot-patching prologue is never generated for functions functions -that are explicitly inline. +Nop instructions (@var{pre-halfwords}, maximum 1000000). After +the label, 2 * @var{post-halfwords} bytes are appended, using the +larges nop like instructions the architecture allows (maximum +1000000). + +If both arguments are zero, hotpatching is disabled. This option can be overridden for individual functions with the @code{hotpatch} attribute. |