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* [Bug c/24319]  New: amd64 register spill error with -fschedule-insns
@ 2005-10-11 20:48 erg at trifocus dot net
  2010-02-03  6:20 ` [Bug rtl-optimization/24319] [4.3/4.4 regression] " spop at gcc dot gnu dot org
  2010-05-22 18:36 ` rguenth at gcc dot gnu dot org
  0 siblings, 2 replies; 4+ messages in thread
From: erg at trifocus dot net @ 2005-10-11 20:48 UTC (permalink / raw)
  To: gcc-bugs

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erg@frogger:~/Factor/Factor$ gcc -O -fschedule-insns native/string.c
native/string.c: In function ‘from_c_string’:
native/string.c:103: error: unable to find a register to spill in class ‘DIREG’
native/string.c:103: error: this is the insn:
(insn 13 39 14 0 (parallel [
            (set (reg:DI 2 cx [63])
                (unspec:DI [
                        (mem:BLK (reg/f:DI 1 dx [orig:65 c_string ] [65]) [0
A8])
                        (reg:QI 0 ax [67])
                        (const_int 1 [0x1])
                        (reg:DI 2 cx [66])
                    ] 20))
            (use (reg:SI 19 dirflag))
            (clobber (reg/f:DI 1 dx [orig:65 c_string ] [65]))
            (clobber (reg:CC 17 flags))
        ]) 649 {*strlenqi_rex_1} (insn_list:REG_DEP_TRUE 11
(insn_list:REG_DEP_TRUE 9 (insn_list:REG_DEP_TRUE 10 (insn_list:REG_DEP_TRUE 12
(nil)))))
    (expr_list:REG_DEAD (reg:SI 19 dirflag)
        (expr_list:REG_DEAD (reg:DI 2 cx [66])
            (expr_list:REG_DEAD (reg:QI 0 ax [67])
                (expr_list:REG_DEAD (reg/f:DI 1 dx [orig:65 c_string ] [65])
                    (expr_list:REG_UNUSED (reg:CC 17 flags)
                        (expr_list:REG_UNUSED (reg/f:DI 1 dx [orig:65 c_string
] [65])                            (nil))))))))
native/string.c:103: confused by earlier errors, bailing out


-- 
           Summary: amd64 register spill error with -fschedule-insns
           Product: gcc
           Version: 4.0.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: erg at trifocus dot net


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24319


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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <bug-24319-4@http.gcc.gnu.org/bugzilla/>
2011-06-27 14:43 ` [Bug rtl-optimization/24319] [4.3/4.4 regression] amd64 register spill error with -fschedule-insns rguenth at gcc dot gnu.org
2012-03-13 16:11 ` [Bug rtl-optimization/24319] [4.4 " jakub at gcc dot gnu.org
2005-10-11 20:48 [Bug c/24319] New: " erg at trifocus dot net
2010-02-03  6:20 ` [Bug rtl-optimization/24319] [4.3/4.4 regression] " spop at gcc dot gnu dot org
2010-05-22 18:36 ` rguenth at gcc dot gnu dot org

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