add 18th iteration of classifier

1 files changed, 83 insertions, 0 deletions

diff --git a/results/classifier/118/performance/1834496 b/results/classifier/118/performance/1834496
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+TCG: 0.928
+performance: 0.927
+i386: 0.918
+architecture: 0.918
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+PID: 0.831
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+device: 0.757
+graphic: 0.755
+register: 0.738
+risc-v: 0.730
+network: 0.722
+peripherals: 0.707
+semantic: 0.696
+VMM: 0.683
+x86: 0.663
+files: 0.655
+vnc: 0.621
+hypervisor: 0.612
+kernel: 0.612
+KVM: 0.602
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+
+Regressions on arm target with some GCC tests
+
+Hi,
+
+After trying qemu master:
+commit 474f3938d79ab36b9231c9ad3b5a9314c2aeacde
+Merge: 68d7ff0 14f5d87
+Author: Peter Maydell <email address hidden>
+Date:   Fri Jun 21 15:40:50 2019 +0100
+
+I found several regressions compared to qemu-3.1 when running the GCC testsuite.
+I'm attaching a tarball containing several GCC tests (binaries), needed shared libs, and a short script to run all the tests.
+
+All tests used to pass w/o error (one of them is verbose), but with a recent qemu, all of them make qemu crash:
+
+qemu: uncaught target signal 6 (Aborted) - core dumped
+
+This was noticed with GCC master configured with
+--target arm-none-linux-gnueabi
+--with-mode arm
+--with-cpu cortex-a9
+
+and calling qemu with --cpu cortex-a9 (the script uses "any", this makes no difference).
+
+I have noticed other failures with arm-v8 code, but this is probably the same root cause. Since it's a bit tedious to manually rebuild & extract the testcases, I'd prefer to start with this subset, and I can extract more if needed later.
+
+Thanks
+
+
+
+I bisected a chunk of the errors to:
+
+  commit c6fb8c0cf704c4a1a48c3e99e995ad4c58150dab (refs/bisect/bad)
+  Author: Richard Henderson <email address hidden>
+  Date:   Mon Feb 25 11:42:35 2019 -0800
+
+      tcg/i386: Support INDEX_op_extract2_{i32,i64}
+
+      Signed-off-by: Richard Henderson <email address hidden>
+
+Specifically I think when tcg_gen_deposit_i32 handles the if (ofs + len == 32) case.
+
+
+Fixed by:
+
+Subject: [PATCH for-4.1] tcg: Fix constant folding of INDEX_op_extract2_i32
+Date: Tue,  9 Jul 2019 14:19:00 +0200
+Message-Id: <email address hidden>
+
+
+I confirm this patch fixes the problem I reported. Thanks!
+
+