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Annotation of coherent/b/bin/db/i386/i386db4.s, revision 1.1.1.1

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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