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From: "bonzini at gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/39717] New: [cond-optab] CSE does not put subregs into COMPAREs on many CC0 machines Date: Fri, 10 Apr 2009 12:46:00 -0000 [thread overview] Message-ID: <bug-39717-7849@http.gcc.gnu.org/bugzilla/> (raw) /* cris and mn10300 -O2 */ foo (float *c) { union { float r; unsigned int i; } e; e.r = c[0]; if (e.i < 0x3f7f0000) return (e.r = e.r / 2.0f, e.i); return ((int) e.i < 0) ? 0 : 255; } Probably this is a duplicate too for vax: int a, b; int baz (short x) { return x; } int bar (int x) { if (baz (a ^ x ^ a)) return b; return 0; } int foo (void) { return bar (a == 0 || 1 == 1 - a) ? 1 : bar (1 && a); } -- Summary: [cond-optab] CSE does not put subregs into COMPAREs on many CC0 machines Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bonzini at gnu dot org OtherBugsDependingO 39714 nThis: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39717
next reply other threads:[~2009-04-10 12:46 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-04-10 12:46 bonzini at gnu dot org [this message] 2009-04-16 3:08 ` [Bug target/39717] " hp at gcc dot gnu dot org 2009-04-16 8:05 ` bonzini at gnu dot org 2009-05-12 12:06 ` [Bug target/39717] [4.5 Regression][cond-optab] " bonzini at gnu dot org 2009-07-14 22:38 ` bonzini at gnu dot org
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