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Date: Mon, 02 Jun 2003 16:33:00 -0000
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From: "pinskia@physics.uc.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
In-Reply-To: <20030520081601.10878.szabo.daniel@dpg.hu>
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Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug java/10878] miscompilation of boolean parameters from bytecode
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X-SW-Source: 2003-06/txt/msg00350.txt.bz2
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10878



------- Additional Comments From pinskia@physics.uc.edu  2003-06-02 16:33 -------
I do not think it matters because because gcc always will load in it by a byte.
What do you think?

_ZN3bug2g1Eb:
        pushl   %ebp
        movl    %esp, %ebp        ; ebp = esp
        subl    $40, %esp             ; esp - = $40
        movl    12(%ebp), %eax ; eax = 12(ebp)
        movb    %al, -1(%ebp)    ;  -1(ebp) = al
        movl    8(%ebp), %eax   ; eax = 8(ebp)
        movl    %eax, -12(%ebp) ; -12(ebp) = eax
        cmpl    $0, -12(%ebp)
        jne     .L12
        call    _Jv_ThrowNullPointerException
.L12:
        movl    -12(%ebp), %eax   ; eax = -12(ebp)
        movl    %eax, (%esp)   ;(esp) = eax
        call    _ZN3bug2f1Ev
        movzbl  %al, %eax   eax = extend (al)
        testl   %eax, %eax    
        jne     .L13
        jmp     .L9
.L13:
        movl    $1, -8(%ebp)   -8(ebp) = 1
.L9:
        movl    8(%ebp), %eax    eax = 8(ebp)
        movl    -8(%ebp), %edx    edx = -8(ebp)
        movl    %edx, -16(%ebp)   -16(ebp) = edx
        movl    %eax, -20(%ebp)    -20(ebp) = eax
        cmpl    $0, -20(%ebp)       
        jne     .L15
        call    _Jv_ThrowNullPointerException
.L15:
        movl    -16(%ebp), %eax    eax = -16(ebp)
        movl    %eax, 4(%esp)         4(esp) = eax
        movl    -20(%ebp), %edx     -20(ebp) = edx
        movl    %edx, (%esp)     (esp) = edx
        call    _ZN3bug2g2Eb
        leave
        ret



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