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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/101384] wrong code at -Og and above with vector shift/multiply Date: Mon, 12 Jul 2021 17:00:04 +0000 [thread overview] Message-ID: <bug-101384-4-oBIajqe8cO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101384-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101384 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Simpler testcase with no vector type casts which is also works for both endians: typedef unsigned char __attribute__((__vector_size__ (16))) U; U u; U foo (void) { U y = (U) { 0x80, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff } + u; return y; } int main () { U x = (U) foo (); for (unsigned i = 0; i < 16; i++) if (x[i] != ((i & 3) ? 0xff : 0x80)) __builtin_abort (); return 0; }
next prev parent reply other threads:[~2021-07-12 17:00 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-09 7:58 [Bug target/101384] New: " zsojka at seznam dot cz 2021-07-12 17:00 ` jakub at gcc dot gnu.org [this message] 2021-07-13 12:12 ` [Bug target/101384] " jakub at gcc dot gnu.org 2021-07-13 12:12 ` [Bug target/101384] [9/10/11/12 Regression] " jakub at gcc dot gnu.org 2021-07-13 12:20 ` jakub at gcc dot gnu.org 2021-07-13 16:13 ` segher at gcc dot gnu.org 2021-07-13 16:55 ` jakub at gcc dot gnu.org 2021-07-13 22:09 ` segher at gcc dot gnu.org 2021-07-14 7:55 ` jakub at gcc dot gnu.org 2021-07-20 14:43 ` cvs-commit at gcc dot gnu.org 2021-07-20 14:45 ` [Bug target/101384] [9/10/12 " jakub at gcc dot gnu.org 2021-07-20 15:28 ` cvs-commit at gcc dot gnu.org 2021-07-20 15:38 ` [Bug target/101384] [9/10 " jakub at gcc dot gnu.org 2022-05-10 8:20 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:21 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:36 ` jakub at gcc dot gnu.org
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