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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-15 21:06:16 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-02-15 21:06:16 +0000 |
| commit | 2a5b4716e2bb96fc20e9790a5e82d4ae4005054c (patch) | |
| tree | d9e25ddc6c9d0b6ad9a565e5db34fc03dfed353b /gcc/doc/invoke.texi | |
| parent | 56dddaad9575187a36a8af8dbd668c88cc5dff89 (diff) | |
| download | gcc-2a5b4716e2bb96fc20e9790a5e82d4ae4005054c.tar.gz | |
* cfgcleanup.c: Include params.h.
(try_crossjump_bb): Use PARAM_MAX_CROSSJUMP_EDGES. Fix test for
too many outgoing edges from a block.
* Makefile.in (cfgcleanup.o): Depend on PARAMS_H.
* params.def (max-crossjump-edges): New.
* doc/invoke.texi: Document it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@62942 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 36e14113c09..0c6f4eb4dd7 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4346,6 +4346,13 @@ In each case, the @var{value} is an integer. The allowable choices for @var{name} are given in the following table: @table @gcctabopt +@item max-crossjump-edges +The maximum number of incoming edges to consider for crossjumping. +The algorithm used by @option(-fcrossjumping) is @math{O(N^2)} in +the number of edges incoming to each block. Increasing values mean +more aggressive optimization, making the compile time increase with +probably small improvement in executable size. + @item max-delay-slot-insn-search The maximum number of instructions to consider when looking for an instruction to fill a delay slot. If more than this arbitrary number of |