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Annotation of coherent/b/bin/db/i386/i386db4.s, revision 1.1

1.1     ! root        1: //////////
        !             2: / db/i386/i386db4.s
        !             3: / A debugger.
        !             4: / i386 assembly language support.
        !             5: //////////
        !             6: 
        !             7: //////////
        !             8: / double
        !             9: / _get_fp_reg(struct _fpreg *fpregp)
        !            10: /
        !            11: / Return a double containing the 80-bit floating point value
        !            12: / to which fpregp points in the place expected by software fp emulation.
        !            13: / This uses NDP instructions to perform the conversion
        !            14: / but stores the result in EDX:EAX for software fp.
        !            15: / This should only be called if the coprocessor or emulator is present.
        !            16: //////////
        !            17: 
        !            18:        .intelorder
        !            19:        .text
        !            20:        .globl  _get_fp_reg
        !            21:        
        !            22: _get_fp_reg:
        !            23:        movl    %ecx, 4(%esp)           / fpregp to ECX
        !            24:        fldt    (%ecx)                  / fetch 80-bit value to %st0
        !            25:        fstpl   -8(%esp)                / store to stack and pop
        !            26:        movl    %eax, -8(%esp)          / fetch high dword
        !            27:        movl    %edx, -4(%esp)          / and low dword
        !            28:        ret                             / and return result in EDX:EAX
        !            29: 
        !            30: / end of db/i386/i386db.h

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