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Jan Hubicka 108879aa86 re PR target/51134 (x86 memset/memcpy expansion is broken)
PR bootstrap/51134
	* i386.c (atom_cost): Fix 32bit memset description.
	(expand_set_or_movmem_via_loop_with_iter): Output proper bounds check for epilogue loops.
	(expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing byte loop.
	(decide_alg): sse_loop is not useable wthen SSE2 is disabled; when not optimizing always
	use rep movsb or lincall; do not produce word sized loops when optimizing memset for
	size (to avoid need for large constants).
	(ix86_expand_movmem): Get into sync with ix86_expand_setmem; choose unroll factors
	better; always do 128bit moves when producing SSE loops; do not produce loopy epilogue
	when size is too small.
	(promote_duplicated_reg_to_size): Do not look into desired alignments when
	doing vector expansion.
	(ix86_expand_setmem): Track better when promoted value is available; choose unroll factors
	more sanely.; output loopy epilogue only when needed.

From-SVN: r181466
2011-11-18 02:18:28 +00:00
boehm-gc
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fixincludes inclhack.def (aix_once_init_[12]): New fixes. 2011-11-16 21:28:07 -05:00
gcc re PR target/51134 (x86 memset/memcpy expansion is broken) 2011-11-18 02:18:28 +00:00
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libgcc lib1funcs.asm (udivsi3): Add support for divide functions. 2011-11-16 18:02:12 +00:00
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libstdc++-v3 re PR libstdc++/51181 (libstdc++.so __sync_sub_and_fetch_4 linkage error causing many test suite failures on m68k-linux) 2011-11-17 17:38:48 -08:00
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