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From: sirl@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org,
	veillard@redhat.com, wbrack@mmm.com.hk
Subject: Re: optimization/3387: GCC 3.0 optimisation -O2 -fPIC produces incorrect code
Date: Sun, 09 Sep 2001 10:44:00 -0000	[thread overview]
Message-ID: <20010909174430.13057.qmail@sourceware.cygnus.com> (raw)

Synopsis: GCC 3.0 optimisation -O2 -fPIC produces incorrect code

State-Changed-From-To: open->feedback
State-Changed-By: sirl
State-Changed-When: Sun Sep  9 10:44:30 2001
State-Changed-Why:
    With current gcc-3_0-branch this testcase seems to produce correct code, see below. Can you please verify that the current gcc-3_0-branch works for you in the original context too?
    
            .file   "xml2bug.c"
            .text
            .align 16
    .globl bug
            .type   bug,@function
    bug:
            pushl   %ebp
            movl    %esp, %ebp
            pushl   %edi
            pushl   %esi
            pushl   %ebx
            subl    $20, %esp
            call    .LPR0
            addl    $_GLOBAL_OFFSET_TABLE_, %ebx
            movl    8(%ebp), %edi
            leal    12(%ebp), %esi
            pushl   %esi
            pushl   %edi
            call    f1@PLT
            addl    $16, %esp
            testl   %eax, %eax
            je      .L3
            subl    $8, %esp
            pushl   %esi
            pushl   %edi
            call    f2@PLT
            addl    $16, %esp
            testl   %eax, %eax
            je      .L3
    .L1:
            leal    -12(%ebp), %esp
            popl    %ebx
            popl    %esi
            popl    %edi
            popl    %ebp
            ret
            .p2align 4,,7
    .L3:
            subl    $8, %esp
            pushl   %esi
            pushl   %edi
            call    f2@PLT
            xorl    %eax, %eax
            jmp     .L1
    .Lfe1:
            .size   bug,.Lfe1-bug
    .LPR0:
            movl    (%esp), %ebx
            ret
            .ident  "GCC: (GNU) 3.0.2 20010909 (prerelease)"

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=3387&database=gcc


             reply	other threads:[~2001-09-09 10:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-09 10:44 sirl [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-09-12 14:24 sirl
2001-06-22 19:56 William M. Brack
2001-06-22 17:56 wbrack

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