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* enable node dfa for life information with -O3:

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- all known issues with it are fixed
  - the resulting warnings about uninitialized warnings are better than that ones from the old code
  - with node dfa in place, stuff like dead store removal, strength reduction and ssa can be finished now
  - drawback: with node dfa enabled, the compiler is 2-3% slower, there is still some room for improvement though

git-svn-id: trunk@26165 -
This commit is contained in:
florian 2013-12-01 17:02:19 +00:00
parent 6924cc0458
commit 4aebcdaa94
1 changed files with 1 additions and 1 deletions
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compiler/globtype.pas
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@ -336,7 +336,7 @@ interface
{ switches being applied to all CPUs at the given level }
genericlevel1optimizerswitches = [cs_opt_level1];
genericlevel2optimizerswitches = [cs_opt_level2,cs_opt_remove_emtpy_proc];
genericlevel3optimizerswitches = [cs_opt_level3,cs_opt_constant_propagate];
genericlevel3optimizerswitches = [cs_opt_level3,cs_opt_constant_propagate,cs_opt_nodedfa];
genericlevel4optimizerswitches = [cs_opt_reorder_fields,cs_opt_dead_values,cs_opt_fastmath];
{ whole program optimizations whose information generation requires