FRV Options

-mgpr-32

Only use the first 32 general purpose registers.

-mgpr-64

Use all 64 general purpose registers.

-mfpr-32

Use only the first 32 floating point registers.

-mfpr-64

Use all 64 floating point registers

-mhard-float

Use hardware instructions for floating point operations.

-msoft-float

Use library routines for floating point operations.

-malloc-cc

Dynamically allocate condition code registers.

-mfixed-cc

Do not try to dynamically allocate condition code registers, only use icc0 and fcc0.

-mdword

Change ABI to use double word insns.

-mno-dword

Do not use double word instructions.

-mdouble

Use floating point double instructions.

-mno-double

Do not use floating point double instructions.

-mmedia

Use media instructions.

-mno-media

Do not use media instructions.

-mmuladd

Use multiply and add/subtract instructions.

-mno-muladd

Do not use multiply and add/subtract instructions.

-mlibrary-pic

Enable PIC support for building libraries

-macc-4

Use only the first four media accumulator registers.

-macc-8

Use all eight media accumulator registers.

-mpack

Pack VLIW instructions.

-mno-pack

Do not pack VLIW instructions.

-mno-eflags

Do not mark ABI switches in e_flags.

-mcond-move

Enable the use of conditional-move instructions (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-cond-move

Disable the use of conditional-move instructions.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mscc

Enable the use of conditional set instructions (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-scc

Disable the use of conditional set instructions.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mcond-exec

Enable the use of conditional execution (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-cond-exec

Disable the use of conditional execution.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mvliw-branch

Run a pass to pack branches into VLIW instructions (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-vliw-branch

Do not run a pass to pack branches into VLIW instructions.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mmulti-cond-exec

Enable optimization of && and || in conditional execution (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-multi-cond-exec

Disable optimization of && and || in conditional execution.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mnested-cond-exec

Enable nested conditional execution optimizations (default).

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mno-nested-cond-exec

Disable nested conditional execution optimizations.

This switch is mainly for debugging the compiler and will likely be removed in a future version.

-mtomcat-stats

Cause gas to print out tomcat statistics.

-mcpu=cpu

Select the processor type for which to generate code. Possible values are simple, tomcat, fr500, fr400, fr300, frv.