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Diffstat (limited to 'arch/powerpc/config.in')
| -rw-r--r-- | arch/powerpc/config.in | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/config.in b/arch/powerpc/config.in index dc871a0..6a0b910 100644 --- a/arch/powerpc/config.in +++ b/arch/powerpc/config.in @@ -14,4 +14,13 @@ config ARCH_POWERPC_SPE depends on EXPERIMENTAL default n help - Add support for the Signal Processing Engine. + Add support for the Signal Processing Engine. This will set up + the toolchain so that it supports the SPE ABI extensions. This + mainly targets Freescale e500 processors. + + Setting this option will append "spe" to the end of your target + tuple name (e.g., powerpc-e500v2-linux-gnuspe) so that the gcc + configure/build system will know to include SPE ABI support. + It will also automatically add "-mabi=spe -mspe" to your + TARGET_CFLAGS, and "--enable-e500_double" to your CC_EXTRA_CONFIG, + so you do not need to explicitly add them. |