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(parent: 9f5e998) | patch
builtins.c (fold_builtin_memory_op): Optimize memmove into memcpy if we can prove...
authorJakub Jelinek <jakub@redhat.com>
Fri, 27 Mar 2009 21:40:08 +0000 (22:40 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Fri, 27 Mar 2009 21:40:08 +0000 (22:40 +0100)
commit64d7685c6fa0dfda3d5be0964f8de832fe0671c4
treef297688f9b2d8bcdac9ab1042ac06506c382e691tree | snapshot
parent9f5e9983d94e27606d13733c2b4bcaddacde4779commit | diff
builtins.c (fold_builtin_memory_op): Optimize memmove into memcpy if we can prove source and destination don't overlap.

* builtins.c (fold_builtin_memory_op): Optimize memmove
into memcpy if we can prove source and destination don't overlap.

* gcc.dg/memmove-2.c: New test.
* gcc.dg/memmove-3.c: New test.

From-SVN: r145127
gcc/ChangeLog diff | blob | history
gcc/builtins.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/memmove-2.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/memmove-3.c [new file with mode: 0644] blob
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