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| author | Bin Cheng <bin.cheng@arm.com> | 2016-07-22 13:25:59 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2016-07-22 13:25:59 +0000 |
| commit | 78f63b79d9edb87545c40c116dd7859b74e67263 (patch) | |
| tree | 230f49f6c784e50a292c04e6f34f69faef898e31 /gcc/doc | |
| parent | faa1612aa309b073803613c82712bc940393ad74 (diff) | |
| download | gcc-78f63b79d9edb87545c40c116dd7859b74e67263.zip gcc-78f63b79d9edb87545c40c116dd7859b74e67263.tar.gz gcc-78f63b79d9edb87545c40c116dd7859b74e67263.tar.bz2 | |
common.opt (funsafe-loop-optimizations): Mark ignore.
* common.opt (funsafe-loop-optimizations): Mark ignore.
* doc/invoke.texi (funsafe-loop-optimizations): Remove.
* loop-iv.c (get_simple_loop_desc): Remove unsafe-loop-optimizations
related code.
* tree-ssa-loop-niter.c (finite_loop_p): Ditto.
* config/bfin/bfin.c (bfin_can_use_doloop_p): Ditto.
From-SVN: r238642
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 9e03986..c9e8e1d 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -414,7 +414,7 @@ Objective-C and Objective-C++ Dialects}. -ftree-switch-conversion -ftree-tail-merge -ftree-ter @gol -ftree-vectorize -ftree-vrp -funconstrained-commons @gol -funit-at-a-time -funroll-all-loops -funroll-loops @gol --funsafe-loop-optimizations -funsafe-math-optimizations -funswitch-loops @gol +-funsafe-math-optimizations -funswitch-loops @gol -fipa-ra -fvariable-expansion-in-unroller -fvect-cost-model -fvpt @gol -fweb -fwhole-program -fwpa -fuse-linker-plugin @gol --param @var{name}=@var{value} @@ -6818,15 +6818,6 @@ number of iterations of a loop are used to guide loop unrolling and peeling and loop exit test optimizations. This option is enabled by default. -@item -funsafe-loop-optimizations -@opindex funsafe-loop-optimizations -This option tells the loop optimizer to assume that loop indices do not -overflow, and that loops with nontrivial exit condition are not -infinite. This enables a wider range of loop optimizations even if -the loop optimizer itself cannot prove that these assumptions are valid. -If you use @option{-Wunsafe-loop-optimizations}, the compiler warns you -if it finds this kind of loop. - @item -funconstrained-commons @opindex funconstrained-commons This option tells the compiler that variables declared in common blocks |