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From: "jens.seifert at de dot ibm.com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106536] New: P9: gcc does not detect setb pattern Date: Fri, 05 Aug 2022 10:17:54 +0000 [thread overview] Message-ID: <bug-106536-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106536 Bug ID: 106536 Summary: P9: gcc does not detect setb pattern Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: jens.seifert at de dot ibm.com Target Milestone: --- int compare2(unsigned long long a, unsigned long long b) { return (a > b ? 1 : (a < b ? -1 : 0)); } Output: _Z8compare2yy: cmpld 0,3,4 bgt 0,.L5 mfcr 3,128 rlwinm 3,3,1,1 neg 3,3 blr .L5: li 3,1 blr .long 0 .byte 0,9,0,0,0,0,0,0 clang generates: _Z8compare2yy: # @_Z8compare2yy cmpld 3, 4 setb 3, 0 extsw 3, 3 blr .long 0 .quad 0
next reply other threads:[~2022-08-05 10:17 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-05 10:17 jens.seifert at de dot ibm.com [this message] 2022-09-13 16:25 ` [Bug target/106536] " segher at gcc dot gnu.org
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