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The mma_assemble_input_operand predicate is too lenient on the memory operands it will accept, leading to an ICE when illegitimate addresses are passed in. The solution is to only accept memory operands with addresses that are valid for quad word memory accesses. The test case is a minimized test case from the Eigen library. The creduced test case is very noisy with respect to warnings, so the test case has added -w to silence them. 2021-02-11 Peter Bergner <bergner@linux.ibm.com> gcc/ PR target/99041 * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict memory addresses that are legal for quad word accesses. gcc/testsuite/ PR target/99041 * g++.target/powerpc/pr99041.C: New test.
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