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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
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Bernd Schmidt 2016-05-03 22:48:03 +00:00 committed by Bernd Schmidt
parent b25aad5fda
commit 9ced954948
3 changed files with 7 additions and 4 deletions
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6
gcc/ChangeLog
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@ -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

4
gcc/doc/invoke.texi
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@ -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

1
gcc/opts.c
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@ -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 },