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diff --git a/binutils-2.25/gas/doc/c-ppc.texi b/binutils-2.25/gas/doc/c-ppc.texi new file mode 100644 index 00000000..c2209edc --- /dev/null +++ b/binutils-2.25/gas/doc/c-ppc.texi @@ -0,0 +1,231 @@ +@c Copyright 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 +@c 2012 Free Software Foundation, Inc. +@c This is part of the GAS manual. +@c For copying conditions, see the file as.texinfo. +@c man end +@ifset GENERIC +@page +@node PPC-Dependent +@chapter PowerPC Dependent Features +@end ifset +@ifclear GENERIC +@node Machine Dependencies +@chapter PowerPC Dependent Features +@end ifclear + +@cindex PowerPC support +@menu +* PowerPC-Opts:: Options +* PowerPC-Pseudo:: PowerPC Assembler Directives +* PowerPC-Syntax:: PowerPC Syntax +@end menu + +@node PowerPC-Opts +@section Options + +@cindex options for PowerPC +@cindex PowerPC options +@cindex architectures, PowerPC +@cindex PowerPC architectures +The PowerPC chip family includes several successive levels, using the same +core instruction set, but including a few additional instructions at +each level. There are exceptions to this however. For details on what +instructions each variant supports, please see the chip's architecture +reference manual. + +The following table lists all available PowerPC options. + +@c man begin OPTIONS +@table @gcctabopt +@item -a32 +Generate ELF32 or XCOFF32. + +@item -a64 +Generate ELF64 or XCOFF64. + +@item -K PIC +Set EF_PPC_RELOCATABLE_LIB in ELF flags. + +@item -mpwrx | -mpwr2 +Generate code for POWER/2 (RIOS2). + +@item -mpwr +Generate code for POWER (RIOS1) + +@item -m601 +Generate code for PowerPC 601. + +@item -mppc, -mppc32, -m603, -m604 +Generate code for PowerPC 603/604. + +@item -m403, -m405 +Generate code for PowerPC 403/405. + +@item -m440 +Generate code for PowerPC 440. BookE and some 405 instructions. + +@item -m464 +Generate code for PowerPC 464. + +@item -m476 +Generate code for PowerPC 476. + +@item -m7400, -m7410, -m7450, -m7455 +Generate code for PowerPC 7400/7410/7450/7455. + +@item -m750cl +Generate code for PowerPC 750CL. + +@item -mppc64, -m620 +Generate code for PowerPC 620/625/630. + +@item -me500, -me500x2 +Generate code for Motorola e500 core complex. + +@item -me500mc +Generate code for Freescale e500mc core complex. + +@item -me500mc64 +Generate code for Freescale e500mc64 core complex. + +@item -me5500 +Generate code for Freescale e5500 core complex. + +@item -me6500 +Generate code for Freescale e6500 core complex. + +@item -mspe +Generate code for Motorola SPE instructions. + +@item -mtitan +Generate code for AppliedMicro Titan core complex. + +@item -mppc64bridge +Generate code for PowerPC 64, including bridge insns. + +@item -mbooke +Generate code for 32-bit BookE. + +@item -ma2 +Generate code for A2 architecture. + +@item -me300 +Generate code for PowerPC e300 family. + +@item -maltivec +Generate code for processors with AltiVec instructions. + +@item -mvle +Generate code for Freescale PowerPC VLE instructions. + +@item -mvsx +Generate code for processors with Vector-Scalar (VSX) instructions. + +@item -mhtm +Generate code for processors with Hardware Transactional Memory instructions. + +@item -mpower4, -mpwr4 +Generate code for Power4 architecture. + +@item -mpower5, -mpwr5, -mpwr5x +Generate code for Power5 architecture. + +@item -mpower6, -mpwr6 +Generate code for Power6 architecture. + +@item -mpower7, -mpwr7 +Generate code for Power7 architecture. + +@item -mpower8, -mpwr8 +Generate code for Power8 architecture. + +@item -mcell +@item -mcell +Generate code for Cell Broadband Engine architecture. + +@item -mcom +Generate code Power/PowerPC common instructions. + +@item -many +Generate code for any architecture (PWR/PWRX/PPC). + +@item -mregnames +Allow symbolic names for registers. + +@item -mno-regnames +Do not allow symbolic names for registers. + +@item -mrelocatable +Support for GCC's -mrelocatable option. + +@item -mrelocatable-lib +Support for GCC's -mrelocatable-lib option. + +@item -memb +Set PPC_EMB bit in ELF flags. + +@item -mlittle, -mlittle-endian, -le +Generate code for a little endian machine. + +@item -mbig, -mbig-endian, -be +Generate code for a big endian machine. + +@item -msolaris +Generate code for Solaris. + +@item -mno-solaris +Do not generate code for Solaris. + +@item -nops=@var{count} +If an alignment directive inserts more than @var{count} nops, put a +branch at the beginning to skip execution of the nops. +@end table +@c man end + + +@node PowerPC-Pseudo +@section PowerPC Assembler Directives + +@cindex directives for PowerPC +@cindex PowerPC directives +A number of assembler directives are available for PowerPC. The +following table is far from complete. + +@table @code +@item .machine "string" +This directive allows you to change the machine for which code is +generated. @code{"string"} may be any of the -m cpu selection options +(without the -m) enclosed in double quotes, @code{"push"}, or +@code{"pop"}. @code{.machine "push"} saves the currently selected +cpu, which may be restored with @code{.machine "pop"}. +@end table + +@node PowerPC-Syntax +@section PowerPC Syntax +@menu +* PowerPC-Chars:: Special Characters +@end menu + +@node PowerPC-Chars +@subsection Special Characters + +@cindex line comment character, PowerPC +@cindex PowerPC line comment character +The presence of a @samp{#} on a line indicates the start of a comment +that extends to the end of the current line. + +If a @samp{#} appears as the first character of a line then the whole +line is treated as a comment, but in this case the line could also be +a logical line number directive (@pxref{Comments}) or a preprocessor +control command (@pxref{Preprocessing}). + +If the assembler has been configured for the ppc-*-solaris* target +then the @samp{!} character also acts as a line comment character. +This can be disabled via the @option{-mno-solaris} command line +option. + +@cindex line separator, PowerPC +@cindex statement separator, PowerPC +@cindex PowerPC line separator +The @samp{;} character can be used to separate statements on the same +line. |