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| author | Bernd Schmidt <bernds@redhat.com> | 2016-05-03 22:48:03 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2016-05-03 22:48:03 +0000 |
| commit | 9ced9549482c0c22540f384a263191559e2157ff (patch) | |
| tree | 85e6b21663a9bb8e79efe9ca37733d05dca34625 | |
| parent | b25aad5fda6c3efbb83980fb0f4fb0e2ddd38216 (diff) | |
| download | gcc-9ced9549482c0c22540f384a263191559e2157ff.zip gcc-9ced9549482c0c22540f384a263191559e2157ff.tar.gz gcc-9ced9549482c0c22540f384a263191559e2157ff.tar.bz2 | |
re PR rtl-optimization/57193 (suboptimal register allocation for SSE registers)
PR rtl-optimization/57193
* opts.c (default_options_table): Revert OPT_frename_registers change.
* doc/invoke.texi (-frename-registers, -O2): Likewise.
From-SVN: r235848
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 | ||||
| -rw-r--r-- | gcc/opts.c | 1 |
3 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 36b57ac96..d9ae26a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-05-04 Bernd Schmidt <bschmidt@redhat.com> + + PR rtl-optimization/57193 + * opts.c (default_options_table): Revert OPT_frename_registers change. + * doc/invoke.texi (-frename-registers, -O2): Likewise. + 2016-05-03 Martin Sebor <msebor@redhat.com> PR c++/66561 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index f5413fa..46729db 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6265,7 +6265,6 @@ also turns on the following optimization flags: -foptimize-strlen @gol -fpartial-inlining @gol -fpeephole2 @gol --frename-registers @gol -freorder-blocks-algorithm=stc @gol -freorder-blocks-and-partition -freorder-functions @gol -frerun-cse-after-loop @gol @@ -8573,8 +8572,7 @@ debug information format adopted by the target, however, it can make debugging impossible, since variables no longer stay in a ``home register''. -Enabled by default with @option{-funroll-loops} and @option{-fpeel-loops}, -and also enabled at levels @option{-O2}, @option{-O3} and @option{-Os}. +Enabled by default with @option{-funroll-loops} and @option{-fpeel-loops}. @item -fschedule-fusion @opindex fschedule-fusion @@ -498,7 +498,6 @@ static const struct default_options default_options_table[] = { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 }, { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_freorder_blocks_algorithm_, NULL, REORDER_BLOCKS_ALGORITHM_STC }, - { OPT_LEVELS_2_PLUS, OPT_frename_registers, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 }, |