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| author | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
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| committer | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
| commit | e252b51ccde010cbd2a146485d8045103cd99533 (patch) | |
| tree | e060f101cdc32bf5e520de8e5275db9d4236b74c /gcc/compare-elim.c | |
| parent | f10c7c4596dda99d2ee872c995ae4aeda65adbdf (diff) | |
| parent | 104c05c5284b7822d770ee51a7d91946c7e56d50 (diff) | |
| download | gcc-e252b51ccde010cbd2a146485d8045103cd99533.zip gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.gz gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.bz2 | |
Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.
Diffstat (limited to 'gcc/compare-elim.c')
| -rw-r--r-- | gcc/compare-elim.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/compare-elim.c b/gcc/compare-elim.c index f98e82a..607eadc 100644 --- a/gcc/compare-elim.c +++ b/gcc/compare-elim.c @@ -25,9 +25,7 @@ along with GCC; see the file COPYING3. If not see cannot make use of the comparison elimination offered by the combine pass. This is a small pass intended to provide comparison elimination similar to - what is available via NOTICE_UPDATE_CC for cc0 targets. This should help - encourage cc0 targets to convert to an explicit post-reload representation - of the flags. + what was available via NOTICE_UPDATE_CC for cc0 targets. This pass assumes: @@ -908,6 +906,7 @@ try_eliminate_compare (struct comparison *cmp) static unsigned int execute_compare_elim_after_reload (void) { + df_set_flags (DF_LR_RUN_DCE); df_analyze (); gcc_checking_assert (!all_compares.exists ()); |