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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
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* gcc.c-torture/execute/string-opt-{3,4,16,17,18,19}.c: Move into
gcc.c-torture/execute/builtins.
* gcc.c-torture/execute/string-opt-asm-{1,2}.c: Likewise.
* gcc.c-torture/execute/builtin-noret-{1,2}.c: Move to...
* gcc.dg/torture: ...this new directory. Turn into link-only tests.
* gcc.dg/no-builtin-1.c: Move into gcc.c-torture/execute/builtins.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66680 138bc75d-0d04-0410-961f-82ee72b054a4
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(expand_builtin_stpcpy): Optimize stpcpy whose return value is
ignored into strcpy no matter what arguments it has.
(expand_builtin) <case BUILT_IN_MEMPCPY>: Call
expand_builtin_mempcpy.
* gcc.c-torture/execute/string-opt-18.c (main): Add 3 new tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66498 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66065 138bc75d-0d04-0410-961f-82ee72b054a4
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* builtins.c (expand_builtin_memcpy): Add `endp' argument, use it.
(expand_builtin_stpcpy): New.
(expand_builtin): Add BUILT_IN_MEMPCPY & BUILT_IN_STPCPY.
* builtins.def: Add mempcpy & stpcpy support.
* doc/extend.texi (mempcpy, stpcpy): Document new builtins.
testsuite:
* gcc.c-torture/execute/string-opt-18.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65551 138bc75d-0d04-0410-961f-82ee72b054a4
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