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From: "vincenzo.innocente at cern dot ch" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109885] New: gcc does not generate movmskps and testps instructions (clang does) Date: Wed, 17 May 2023 07:40:19 +0000 [thread overview] Message-ID: <bug-109885-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109885 Bug ID: 109885 Summary: gcc does not generate movmskps and testps instructions (clang does) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: vincenzo.innocente at cern dot ch Target Milestone: --- in this simple code (on avx2) int sum(float const * x) { int ret = 0; for (int i=0; i<8; ++i) ret +=(0==x[i]); return ret; } int one(float const * x) { int ret = 0; for (int i=0; i<8; ++i) ret |=(0==x[i]); return ret; } int all(float const * x) { int ret = 1; for (int i=0; i<8; ++i) ret &=(0==x[i]); return ret; } clang uses movmskps and testps instructions, gcc does not see for instance https://godbolt.org/z/r11r8xoYz
next reply other threads:[~2023-05-17 7:40 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-17 7:40 vincenzo.innocente at cern dot ch [this message] 2023-05-17 7:44 ` [Bug target/109885] " pinskia at gcc dot gnu.org 2023-05-17 14:51 ` pinskia at gcc dot gnu.org 2023-05-17 15:31 ` pinskia at gcc dot gnu.org 2024-02-10 9:53 ` [Bug tree-optimization/109885] " pinskia at gcc dot gnu.org 2024-02-18 3:09 ` liuhongt at gcc dot gnu.org
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