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   gcc    ( 1 )

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Параметры подробно (Options detail)

MicroBlaze

-msoft-float
           Use software emulation for floating point (default).

       -mhard-float
           Use hardware floating-point instructions.

       -mmemcpy
           Do not optimize block moves, use "memcpy".

       -mno-clearbss
           This option is deprecated.  Use -fno-zero-initialized-in-bss
           instead.

       -mcpu=cpu-type
           Use features of, and schedule code for, the given CPU.
           Supported values are in the format vX.YY.Z, where X is a
           major version, YY is the minor version, and Z is
           compatibility code.  Example values are v3.00.a, v4.00.b,
           v5.00.a, v5.00.b, v6.00.a.

       -mxl-soft-mul
           Use software multiply emulation (default).

       -mxl-soft-div
           Use software emulation for divides (default).

       -mxl-barrel-shift
           Use the hardware barrel shifter.

       -mxl-pattern-compare
           Use pattern compare instructions.

       -msmall-divides
           Use table lookup optimization for small signed integer
           divisions.

       -mxl-stack-check
           This option is deprecated.  Use -fstack-check instead.

       -mxl-gp-opt
           Use GP-relative ".sdata"/".sbss" sections.

       -mxl-multiply-high
           Use multiply high instructions for high part of 32x32
           multiply.

       -mxl-float-convert
           Use hardware floating-point conversion instructions.

       -mxl-float-sqrt
           Use hardware floating-point square root instruction.

       -mbig-endian
           Generate code for a big-endian target.

       -mlittle-endian
           Generate code for a little-endian target.

       -mxl-reorder
           Use reorder instructions (swap and byte reversed load/store).

       -mxl-mode-app-model
           Select application model app-model.  Valid models are

           executable
               normal executable (default), uses startup code crt0.o.

           -mpic-data-is-text-relative
               Assume that the displacement between the text and data
               segments is fixed at static link time.  This allows data
               to be referenced by offset from start of text address
               instead of GOT since PC-relative addressing is not
               supported.

           xmdstub
               for use with Xilinx Microprocessor Debugger (XMD) based
               software intrusive debug agent called xmdstub. This uses
               startup file crt1.o and sets the start address of the
               program to 0x800.

           bootstrap
               for applications that are loaded using a bootloader.
               This model uses startup file crt2.o which does not
               contain a processor reset vector handler. This is
               suitable for transferring control on a processor reset to
               the bootloader rather than the application.

           novectors
               for applications that do not require any of the
               MicroBlaze vectors. This option may be useful for
               applications running within a monitoring application.
               This model uses crt3.o as a startup file.

           Option -xl-mode-app-model is a deprecated alias for
           -mxl-mode-app-model.