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From: Jakub Jelinek <jakub@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-5150] testsuite: Add another testcase from PR107131 Date: Fri, 13 Jan 2023 16:39:26 +0000 (GMT) [thread overview] Message-ID: <20230113163926.9CF6038543AF@sourceware.org> (raw) https://gcc.gnu.org/g:254cf9552ffb1693f0bc74f6d25601dafafbc144 commit r13-5150-g254cf9552ffb1693f0bc74f6d25601dafafbc144 Author: Jakub Jelinek <jakub@redhat.com> Date: Fri Jan 13 17:37:52 2023 +0100 testsuite: Add another testcase from PR107131 This one is hand reduced to problematic code from optimized dump that used to be miscompiled during combine starting with r12-303 and fixed with r13-3530 aka PR107172 fix. 2023-01-13 Jakub Jelinek <jakub@redhat.com> PR target/107131 * gcc.c-torture/execute/pr107131.c: New test. Diff: --- gcc/testsuite/gcc.c-torture/execute/pr107131.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/gcc/testsuite/gcc.c-torture/execute/pr107131.c b/gcc/testsuite/gcc.c-torture/execute/pr107131.c new file mode 100644 index 00000000000..d4259f141ba --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr107131.c @@ -0,0 +1,18 @@ +/* PR target/107131 */ + +__attribute__((noipa)) unsigned long long +foo (unsigned char o) +{ + unsigned long long t1 = -(long long) (o == 0); + unsigned long long t2 = -(long long) (t1 > 10439075533421201520ULL); + unsigned long long t3 = -(long long) (t1 <= t2); + return t3; +} + +int +main () +{ + if (foo (0) != -1ULL) + __builtin_abort (); + return 0; +}
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