https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112531
--- Comment #3 from Edwin Lu <ewlu at rivosinc dot com> --- (In reply to JuzheZhong from comment #1) > This FAIL is reasonable. So we can ignore it. > > The vectorized code will fail at this dump check like ARM SVE: > https://godbolt.org/z/dbsKb7bxY > > Or you can fix testcase like AMDGCN: > > disable vectorization: > > /* { dg-additional-options "-fno-tree-vectorize" { target amdgcn-*-* } } */ Should we add this for all of the failures that also occur on arm? That would be FAIL: gcc.dg/signbit-2.c scan-tree-dump optimized "\\s+>\\s+{ 0(, 0)+ }" FAIL: gcc.dg/signbit-2.c scan-tree-dump-not optimized "\\s+>>\\s+31" FAIL: gcc.dg/unroll-8.c scan-rtl-dump loop2_unroll "Not unrolling loop, doesn't roll" FAIL: gcc.dg/unroll-8.c scan-rtl-dump loop2_unroll "likely upper bound: 6" FAIL: gcc.dg/unroll-8.c scan-rtl-dump loop2_unroll "realistic bound: -1" FAIL: gcc.dg/var-expand1.c scan-rtl-dump loop2_unroll "Expanding Accumulator" FAIL: gcc.dg/tree-prof/val-prof-1.c scan-tree-dump optimized "if \\(n_[0-9]* != 257\\)" FAIL: gcc.dg/tree-prof/val-prof-3.c scan-tree-dump optimized "if \\(_[0-9]* \\< n_[0-9]*" FAIL: gcc.dg/tree-prof/val-prof-4.c scan-tree-dump optimized "if \\(n_[0-9]* \\>" FAIL: gcc.dg/tree-ssa/cunroll-16.c scan-tree-dump cunroll "optimized: loop with [0-9]+ iterations completely unrolled" FAIL: gcc.dg/tree-ssa/cunroll-16.c scan-tree-dump-not optimized "foo" FAIL: gcc.dg/tree-ssa/gen-vect-34.c scan-tree-dump-times vect "vectorized 1 loops" 1 FAIL: gcc.dg/tree-ssa/loop-bound-1.c scan-tree-dump ivopts "bounded by 254" FAIL: gcc.dg/tree-ssa/loop-bound-2.c scan-tree-dump ivopts "bounded by 254" XPASS: gcc.dg/tree-ssa/pr84512.c scan-tree-dump optimized "return 285;" FAIL: gcc.dg/tree-ssa/predcom-4.c scan-tree-dump-times pcom "Combination" 1 FAIL: gcc.dg/tree-ssa/predcom-4.c scan-tree-dump-times pcom "Unrolling 3 times." 1 FAIL: gcc.dg/tree-ssa/predcom-5.c scan-tree-dump-times pcom "Combination" 2 FAIL: gcc.dg/tree-ssa/predcom-5.c scan-tree-dump-times pcom "Unrolling 3 times." 1 FAIL: gcc.dg/tree-ssa/predcom-9.c scan-tree-dump pcom "Executing predictive commoning without unrolling" FAIL: gcc.dg/tree-ssa/reassoc-46.c scan-tree-dump-times optimized "(?:vect_)?sum_[\\d._]+ = (?:(?:vect_)?_[\\d._]+ \\+ (?:vect_)?sum_[\\d._]+|(?:vect_)?sum_[\\d._]+ \\+ (?:vect_)?_[\\d._]+)" 1 FAIL: gcc.dg/tree-ssa/scev-10.c scan-tree-dump-times ivopts " Type:\\tREFERENCE ADDRESS\n" 1 FAIL: gcc.dg/tree-ssa/scev-11.c scan-tree-dump-times ivopts " Type:\\tREFERENCE ADDRESS\n" 2 FAIL: gcc.dg/tree-ssa/scev-14.c scan-tree-dump ivopts "Overflowness wrto loop niter:\tNo-overflow" FAIL: gcc.dg/tree-ssa/scev-9.c scan-tree-dump-times ivopts " Type:\\tREFERENCE ADDRESS\n" 1 FAIL: gcc.dg/tree-ssa/split-path-11.c scan-tree-dump-times split-paths "join point for if-convertable half-diamond" 1 XPASS: gcc.dg/tree-ssa/ssa-fre-3.c scan-tree-dump fre1 "Replaced \\(int\\) aa_.*with a_" FAIL: gcc.dg/tree-ssa/update-threading.c scan-tree-dump-times optimized "Invalid sum" 0 The only dump fails I have been able to confirm on riscv that do not exist on arm (so far) would be these two: FAIL: gcc.dg/tree-ssa/copy-headers-8.c scan-tree-dump-times ch2 "Conditional combines static and invariant" 1 FAIL: gcc.dg/tree-ssa/copy-headers-8.c scan-tree-dump-times ch2 "Will duplicate bb" 2 as seen here https://godbolt.org/z/Yc5aas954 I have yet to confirm these fails on ARM due to compilation failures on godbolt. FAIL: gcc.dg/vect/pr103116-1.c -flto -ffat-lto-objects scan-tree-dump vect "Data access with gaps requires scalar epilogue loop" FAIL: gcc.dg/vect/pr103116-1.c scan-tree-dump vect "Data access with gaps requires scalar epilogue loop" FAIL: gcc.dg/vect/pr103116-2.c -flto -ffat-lto-objects scan-tree-dump vect "peeling for gaps insufficient for access" FAIL: gcc.dg/vect/pr103116-2.c scan-tree-dump vect "peeling for gaps insufficient for access"
