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The following patch solves https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64291 It is a bug in a new rematerialization subpass of LRA. The patch was bootstrapped on x86/x86-64. Committed as rev. 218874. 2014-12-18 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/64291 * lra-remat.c (bad_for_rematerialization_p): Add UNPSEC_VLOATILE. (create_cands): Process only output reload insn with potential cands. 2014-12-18 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/64291 * testsuite/gcc.target/i386/pr64291-[12].c: New tests.
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