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Existing splitter is not able to split const_vector 0 as general_operand predicate matches only scalar zeros. 2018-10-10 Uros Bizjak <ubizjak@gmail.com> PR target/87573 * config/i386/mmx.md (const_vector 0 -> mem splitter): New splitter. testsuite/ChangeLog: 2018-10-10 Uros Bizjak <ubizjak@gmail.com> PR target/87573 * gcc.target/i386/pr87573.c: New test. Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}. Committed to mainline SVN. Uros.
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