diff --git a/README.md b/README.md index 8d86e7c0..e3b6ab00 100644 --- a/README.md +++ b/README.md @@ -124,13 +124,13 @@ them as environment variables, for example: If the Cortex-M core supports a hard float ABI, it will be compiled with the best floating-point support by default. In cases where this is not desired, the behavior can be specified by setting `FP_FLAGS`. - + Currently, M4F cores default to `-mfloat-abi=hard -mfpu=fpv4-sp-d16`, and M7 cores defaults to double precision `-mfloat-abi=hard -mfpu=fpv5-d16` if available, and single precision `-mfloat-abi=hard -mfpu=fpv5-sp-d16` otherwise. Other architectures use no FP flags, in otherwords, traditional softfp. - - You may find which FP_FLAGS you can use in a particular architecture in the readme.txt + + You may find which FP_FLAGS you can use in a particular architecture in the readme.txt file shipped with the gcc-arm-embedded package. Examples: