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flags.h, [...]: Remove flag_alias_check; optimization is now always enabled.

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* flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
        optimization is now always enabled.
        * calls.c (expand_call): Recognize C++ operator new as malloc-like
        function.
        * alias.c (memrefs_conflict_p): Eliminate tests now done by
        base_alias_check.
        (*_dependence): Call canon_rtx before base_alias_check.
        (init_alias_once): New function to precompute set of registers which
        can hold Pmode function arguments.
        * rtl.h: Declare init_alias_once.
        * toplev.c (compile_file): Call init_alias_once.

From-SVN: r17227
This commit is contained in:
John Carr 1997-12-24 14:44:46 -07:00 committed by Jeff Law
parent 6e73e66606
commit 439d5a35d8
1 changed files with 18 additions and 0 deletions
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18
gcc/ChangeLog
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@ -1,3 +1,21 @@
Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
* flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
optimization is now always enabled.
* calls.c (expand_call): Recognize C++ operator new as malloc-like
function.
* alias.c (memrefs_conflict_p): Eliminate tests now done by
base_alias_check.
(*_dependence): Call canon_rtx before base_alias_check.
(init_alias_once): New function to precompute set of registers which
can hold Pmode function arguments.
* rtl.h: Declare init_alias_once.
* toplev.c (compile_file): Call init_alias_once.
Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
* tree.c (restore_tree_status): Do not dereference a null pointer.