@gccoptlist{-EL -EB -march=@var{arch} -mtune=@var{arch} @gol
-mips1 -mips2 -mips3 -mips4 -mips32 -mips32r2 -mips64 @gol
-mips16 -mno-mips16 -mflip-mips16 @gol
+-minterlink-mips16 -mno-interlink-mips16 @gol
-mabi=@var{abi} -mabicalls -mno-abicalls @gol
-mshared -mno-shared -mxgot -mno-xgot -mgp32 -mgp64 @gol
-mfp32 -mfp64 -mhard-float -msoft-float @gol
@opindex w
Inhibit all warning messages.
+@item -Wall
+@opindex Wall
+This enables all the warnings about constructions that some users
+consider questionable, and that are easy to avoid (or modify to
+prevent the warning), even in conjunction with macros. This also
+enables some language-specific warnings described in @ref{C++ Dialect
+Options} and @ref{Objective-C and Objective-C++ Dialect Options}.
+
+@option{-Wall} turns on the following warning flags:
+
+@gccoptlist{-Waddress @gol
+-Warray-bounds @r{(only with} @option{-O2}@r{)} @gol
+-Wc++0x-compat @gol
+-Wchar-subscripts @gol
+-Wimplicit-int @gol
+-Wimplicit-function-declaration @gol
+-Wcomment @gol
+-Wformat @gol
+-Wmain @r{(only for C/ObjC and unless} @option{-ffreestanding}@r{)} @gol
+-Wmissing-braces @gol
+-Wnonnull @gol
+-Wparentheses @gol
+-Wpointer-sign @gol
+-Wreorder @gol
+-Wreturn-type @gol
+-Wsequence-point @gol
+-Wsign-compare @r{(only in C++)} @gol
+-Wstrict-aliasing @gol
+-Wstrict-overflow @gol
+-Wswitch @gol
+-Wtrigraphs @gol
+-Wuninitialized @r{(only with} @option{-O1}@r{,} @option{-O2} @r{or} @option{-O3}@r{)} @gol
+-Wunknown-pragmas @gol
+-Wunused-function @gol
+-Wunused-label @gol
+-Wunused-value @gol
+-Wunused-variable @gol
+}
+
@item -Wno-import
@opindex Wno-import
Inhibit warning messages about the use of @samp{#import}.
compiler is using for optimization. The warning does not catch all
cases, but does attempt to catch the more common pitfalls. It is
included in @option{-Wall}.
-It is equivalent to -Wstrict-aliasing=3
+It is equivalent to @option{-Wstrict-aliasing=3}
@item -Wstrict-aliasing=n
@opindex Wstrict-aliasing=n
(default for -O2 and above). It warns about subscripts to arrays
that are always out of bounds. This warning is enabled by @option{-Wall}.
-@item -Wall
-@opindex Wall
-All of the above @samp{-W} options combined. This enables all the
-warnings about constructions that some users consider questionable, and
-that are easy to avoid (or modify to prevent the warning), even in
-conjunction with macros. This also enables some language-specific
-warnings described in @ref{C++ Dialect Options} and
-@ref{Objective-C and Objective-C++ Dialect Options}.
@end table
The following @option{-W@dots{}} options are not implied by @option{-Wall}.
programs since the functions and variables become local for the whole combined
compilation unit, not for the single source file itself.
+This option is not supported for Fortran programs.
@item -fno-cprop-registers
@opindex fno-cprop-registers
reduce function size by being inlined. In effect it increases amount of
inlining for code having large abstraction penalty (many functions that just
pass the arguments to other functions) and decrease inlining for code with low
-abstraction penalty. The default value is 16.
+abstraction penalty. The default value is 12.
@item min-vect-loop-bound
The minimum number of iterations under which a loop will not get vectorized
for regression testing of mixed MIPS16/non-MIPS16 code generation, and is
not intended for ordinary use in compiling user code.
+@item -minterlink-mips16
+@itemx -mno-interlink-mips16
+@opindex minterlink-mips16
+@opindex mno-interlink-mips16
+Require (do not require) that non-MIPS16 code be link-compatible with
+MIPS16 code.
+
+For example, non-MIPS16 code cannot jump directly to MIPS16 code;
+it must either use a call or an indirect jump. @option{-minterlink-mips16}
+therefore disables direct jumps unless GCC knows that the target of the
+jump is not MIPS16.
+
@item -mabi=32
@itemx -mabi=o64
@itemx -mabi=n32
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