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| author | Martin Liska <mliska@suse.cz> | 2019-11-14 09:43:29 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-11-14 08:43:29 +0000 |
| commit | 0840ffdf4e3568ba586371682ef485f9e5d31ae2 (patch) | |
| tree | 35c94389f915ad6779c5f0dadeba9e8d1d048bb1 | |
| parent | 7d5e60051136b30b528b32bb1cfaab4df98896e4 (diff) | |
| download | gcc-0840ffdf4e3568ba586371682ef485f9e5d31ae2.zip gcc-0840ffdf4e3568ba586371682ef485f9e5d31ae2.tar.gz gcc-0840ffdf4e3568ba586371682ef485f9e5d31ae2.tar.bz2 | |
Document -fallocation-dce.
2019-11-14 Martin Liska <mliska@suse.cz>
PR other/92329
* doc/invoke.texi: Document -fallocation-dce.
From-SVN: r278211
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 48cc439..6060edf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2019-11-14 Martin Liska <mliska@suse.cz> + PR other/92329 + * doc/invoke.texi: Document -fallocation-dce. + +2019-11-14 Martin Liska <mliska@suse.cz> + PR target/92389 * config/i386/i386.h: Add PTA_AVX512VPOPCNTDQ to PTA_ICELAKE_CLIENT which is later interited by diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index a5a0626..69f057e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -407,7 +407,7 @@ Objective-C and Objective-C++ Dialects}. -falign-jumps[=@var{n}[:@var{m}:[@var{n2}[:@var{m2}]]]] @gol -falign-labels[=@var{n}[:@var{m}:[@var{n2}[:@var{m2}]]]] @gol -falign-loops[=@var{n}[:@var{m}:[@var{n2}[:@var{m2}]]]] @gol --fallow-store-data-races @gol +-fno-allocation-dce -fallow-store-data-races @gol -fassociative-math -fauto-profile -fauto-profile[=@var{path}] @gol -fauto-inc-dec -fbranch-probabilities @gol -fcaller-saves @gol @@ -10267,6 +10267,10 @@ The maximum allowed @var{n} option value is 65536. Enabled at levels @option{-O2}, @option{-O3}. +@item -fno-allocation-dce +@opindex fno-allocation-dce +Do not remove unused C++ allocations in dead code elimination. + @item -fallow-store-data-races @opindex fallow-store-data-races Allow the compiler to introduce new data races on stores. |