9.36.1 Options

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.

-a32

Generate ELF32 or XCOFF32.

-a64

Generate ELF64 or XCOFF64.

-K PIC

Set EF_PPC_RELOCATABLE_LIB in ELF flags.

-mpwrx | -mpwr2

Generate code for POWER/2 (RIOS2).

-mpwr

Generate code for POWER (RIOS1)

-m601

Generate code for PowerPC 601.

-mppc, -mppc32, -m603, -m604

Generate code for PowerPC 603/604.

-m403, -m405

Generate code for PowerPC 403/405.

-m440

Generate code for PowerPC 440. BookE and some 405 instructions.

-m464

Generate code for PowerPC 464.

-m476

Generate code for PowerPC 476.

-m7400, -m7410, -m7450, -m7455

Generate code for PowerPC 7400/7410/7450/7455.

-m750cl, -mgekko, -mbroadway

Generate code for PowerPC 750CL/Gekko/Broadway.

-m821, -m850, -m860

Generate code for PowerPC 821/850/860.

-mppc64, -m620

Generate code for PowerPC 620/625/630.

-me500, -me500x2

Generate code for Motorola e500 core complex.

-me500mc

Generate code for Freescale e500mc core complex.

-me500mc64

Generate code for Freescale e500mc64 core complex.

-me5500

Generate code for Freescale e5500 core complex.

-me6500

Generate code for Freescale e6500 core complex.

-mspe

Generate code for Motorola SPE instructions.

-mspe2

Generate code for Freescale SPE2 instructions.

-mtitan

Generate code for AppliedMicro Titan core complex.

-mppc64bridge

Generate code for PowerPC 64, including bridge insns.

-mbooke

Generate code for 32-bit BookE.

-ma2

Generate code for A2 architecture.

-me300

Generate code for PowerPC e300 family.

-maltivec

Generate code for processors with AltiVec instructions.

-mvle

Generate code for Freescale PowerPC VLE instructions.

-mvsx

Generate code for processors with Vector-Scalar (VSX) instructions.

-mhtm

Generate code for processors with Hardware Transactional Memory instructions.

-mpower4, -mpwr4

Generate code for Power4 architecture.

-mpower5, -mpwr5, -mpwr5x

Generate code for Power5 architecture.

-mpower6, -mpwr6

Generate code for Power6 architecture.

-mpower7, -mpwr7

Generate code for Power7 architecture.

-mpower8, -mpwr8

Generate code for Power8 architecture.

-mpower9, -mpwr9

Generate code for Power9 architecture.

-mcell

-mcell

Generate code for Cell Broadband Engine architecture.

-mcom

Generate code Power/PowerPC common instructions.

-many

Generate code for any architecture (PWR/PWRX/PPC).

-mregnames

Allow symbolic names for registers.

-mno-regnames

Do not allow symbolic names for registers.

-mrelocatable

Support for GCC’s -mrelocatable option.

-mrelocatable-lib

Support for GCC’s -mrelocatable-lib option.

-memb

Set PPC_EMB bit in ELF flags.

-mlittle, -mlittle-endian, -le

Generate code for a little endian machine.

-mbig, -mbig-endian, -be

Generate code for a big endian machine.

-msolaris

Generate code for Solaris.

-mno-solaris

Do not generate code for Solaris.

-nops=count

If an alignment directive inserts more than count nops, put a branch at the beginning to skip execution of the nops.