r129265 - in /trunk/gcc: ChangeLog config/i386/...

[froydnj@gcc.gnu.org]

Author: froydnj
Date: Fri Oct 12 16:12:45 2007
New Revision: 129265

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129265
Log:
gcc/
	PR 11001
	* config/i386/i386.md (strmov): Check for esi and edi usage.
	* config/i386/i386.c (decide_alg): Check whether we can use a
	rep prefix and adjust algorithm choice accordingly.
	(ix86_expand_strlen): Check for eax, ecx, and edi usage.

gcc/testsuite/
	PR 11001
	* gcc.target/i386/pr11001-strlen-1.c: New testcase.
	* gcc.target/i386/pr11001-strlen-2.c: New testcase.
	* gcc.target/i386/pr11001-strlen-3.c: New testcase.
	* gcc.target/i386/pr11001-memset-1.c: New testcase.
	* gcc.target/i386/pr11001-memset-2.c: New testcase.
	* gcc.target/i386/pr11001-memset-3.c: New testcase.
	* gcc.target/i386/pr11001-memcpy-1.c: New testcase.
	* gcc.target/i386/pr11001-memcpy-2.c: New testcase.
	* gcc.target/i386/pr11001-memcpy-3.c: New testcase.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memcpy-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memcpy-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memcpy-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memset-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memset-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-memset-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-strlen-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-strlen-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog