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* builtins.c (expand_builtin_memcpy): Optimize case when the two
authorsayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 11 Oct 2003 14:09:44 +0000 (14:09 +0000)
committersayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 11 Oct 2003 14:09:44 +0000 (14:09 +0000)
commit6217c238d53721f35f18268414829edc7c331dd3
tree1553338bbed938f4292236cb778a152c34cc82d4tree | snapshot
parentf58bb90b0b44325df920a83bf6270ea330df0c20commit | diff
* builtins.c (expand_builtin_memcpy): Optimize case when the two
pointer arguments are the equal, non-volatile and side-effect free.
(expand_builtin_mempcpy): Likewise.
(expand_builtin_memmove): Likewise.
(expand_builtin_strcpy): Likewise.
(expand_builtin_memcmp): Likewise.
(expand_builtin_strcmp): Likewise.
(expand_builtin_strncmp): Likewise.

* gcc.c-torture/execute/string-opt-18.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72335 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/builtins.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/string-opt-18.c [new file with mode: 0644] blob
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