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From: "schwab@linux-m68k.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/54993] New: [4.8 regression] PIC register not marked as live Date: Fri, 19 Oct 2012 21:45:00 -0000 [thread overview] Message-ID: <bug-54993-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54993 Bug #: 54993 Summary: [4.8 regression] PIC register not marked as live Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: schwab@linux-m68k.org CC: steven@gcc.gnu.org Target: m68k-*-* Created attachment 28496 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28496 preprocessed from libstdc++-v3/testsuite/30_threads/future/members/wait.cc The patch for bug 38711 is causing the PIC register not being marked as live. Compiled with -O2 -std=gnu++0x. @@ -1668,17 +1663,16 @@ .cfi_startproc .cfi_personality 0,__gxx_personality_v0 .cfi_lsda 0,.LLSDA2633 - link.w %fp,#-72 + link.w %fp,#-68 .cfi_offset 14, -8 .cfi_def_cfa 14, 8 movem.l #12348,-(%sp) - .cfi_offset 2, -104 - .cfi_offset 3, -100 - .cfi_offset 10, -96 - .cfi_offset 11, -92 - .cfi_offset 12, -88 - .cfi_offset 13, -84 - lea (%pc, _GLOBAL_OFFSET_TABLE_@GOTPC), %a5 + .cfi_offset 2, -100 + .cfi_offset 3, -96 + .cfi_offset 10, -92 + .cfi_offset 11, -88 + .cfi_offset 12, -84 + .cfi_offset 13, -80 clr.l -48(%fp) clr.l -44(%fp) pea 104.w
next reply other threads:[~2012-10-19 21:45 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-10-19 21:45 schwab@linux-m68k.org [this message] 2012-10-22 9:08 ` [Bug rtl-optimization/54993] " rguenth at gcc dot gnu.org 2012-10-28 12:34 ` steven at gcc dot gnu.org 2012-10-28 15:30 ` schwab@linux-m68k.org 2012-10-28 15:37 ` schwab@linux-m68k.org 2012-10-28 15:38 ` schwab@linux-m68k.org 2012-10-28 17:24 ` steven at gcc dot gnu.org 2012-10-28 18:35 ` schwab@linux-m68k.org 2012-11-09 23:41 ` steven at gcc dot gnu.org
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