-mreturn-pointer-on-d0 @gol
-mno-crt0 -mrelax}
-@emph{MT Options}
-@gccoptlist{-mno-crt0 -mbacc -msim @gol
--march=@var{cpu-type} }
-
@emph{PDP-11 Options}
@gccoptlist{-mfpu -msoft-float -mac0 -mno-ac0 -m40 -m45 -m10 @gol
-mbcopy -mbcopy-builtin -mint32 -mno-int16 @gol
-mfloat-gprs=yes -mfloat-gprs=no -mfloat-gprs=single -mfloat-gprs=double @gol
-mprototype -mno-prototype @gol
-msim -mmvme -mads -myellowknife -memb -msdata @gol
--msdata=@var{opt} -mvxworks -mwindiss -G @var{num} -pthread}
+-msdata=@var{opt} -mvxworks -G @var{num} -pthread}
@emph{S/390 and zSeries Options}
@gccoptlist{-mtune=@var{cpu-type} -march=@var{cpu-type} @gol
* MIPS Options::
* MMIX Options::
* MN10300 Options::
-* MT Options::
* PDP-11 Options::
* PowerPC Options::
* RS/6000 and PowerPC Options::
@opindex mmax-stack-frame
Warn when the stack frame of a function exceeds @var{n} bytes.
-@item -melinux-stacksize=@var{n}
-@opindex melinux-stacksize
-Only available with the @samp{cris-axis-aout} target. Arranges for
-indications in the program to the kernel loader that the stack of the
-program should be set to @var{n} bytes.
-
@item -metrax4
@itemx -metrax100
@opindex metrax4
of the GOT rather than (traditional on other architectures) calls to the
PLT@. The default is @option{-mgotplt}.
-@item -maout
-@opindex maout
-Legacy no-op option only recognized with the cris-axis-aout target.
-
@item -melf
@opindex melf
Legacy no-op option only recognized with the cris-axis-elf and
cris-axis-linux-gnu targets.
-@item -melinux
-@opindex melinux
-Only recognized with the cris-axis-aout target, where it selects a
-GNU/linux-like multilib, include files and instruction set for
-@option{-march=v8}.
-
@item -mlinux
@opindex mlinux
Legacy no-op option only recognized with the cris-axis-linux-gnu target.
@item -sim
@opindex sim
-This option, recognized for the cris-axis-aout and cris-axis-elf arranges
+This option, recognized for the cris-axis-elf arranges
to link with input-output functions from a simulator library. Code,
initialized data and zero-initialized data are allocated consecutively.
targets. Normally the facilities of the machine's usual C compiler are
used, but this cannot be done directly in cross-compilation. You must make
your own arrangements to provide suitable library functions for
-cross-compilation. The embedded target @samp{hppa1.1-*-pro}
-does provide software floating point support.
+cross-compilation.
@option{-msoft-float} changes the calling convention in the output file;
therefore, it is only useful if you compile @emph{all} of a program with
This option makes symbolic debugging impossible.
@end table
-@node MT Options
-@subsection MT Options
-@cindex MT options
-
-These @option{-m} options are defined for Morpho MT architectures:
-
-@table @gcctabopt
-
-@item -march=@var{cpu-type}
-@opindex march
-Generate code that will run on @var{cpu-type}, which is the name of a system
-representing a certain processor type. Possible values for
-@var{cpu-type} are @samp{ms1-64-001}, @samp{ms1-16-002},
-@samp{ms1-16-003} and @samp{ms2}.
-
-When this option is not used, the default is @option{-march=ms1-16-002}.
-
-@item -mbacc
-@opindex mbacc
-Use byte loads and stores when generating code.
-
-@item -mno-bacc
-@opindex mno-bacc
-Do not use byte loads and stores when generating code.
-
-@item -msim
-@opindex msim
-Use simulator runtime
-
-@item -mno-crt0
-@opindex mno-crt0
-Do not link in the C run-time initialization object file
-@file{crti.o}. Other run-time initialization and termination files
-such as @file{startup.o} and @file{exit.o} are still included on the
-linker command line.
-
-@end table
-
@node PDP-11 Options
@subsection PDP-11 Options
@cindex PDP-11 Options
On System V.4 and embedded PowerPC systems, specify that you are
compiling for a VxWorks system.
-@item -mwindiss
-@opindex mwindiss
-Specify that you are compiling for the WindISS simulation environment.
-
@item -memb
@opindex memb
On embedded PowerPC systems, set the @var{PPC_EMB} bit in the ELF flags
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