diff options
Diffstat (limited to 'libgcc/config/avr/t-avr')
| -rw-r--r-- | libgcc/config/avr/t-avr | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libgcc/config/avr/t-avr b/libgcc/config/avr/t-avr index f1c114a6dd6..a669f61629a 100644 --- a/libgcc/config/avr/t-avr +++ b/libgcc/config/avr/t-avr @@ -46,6 +46,14 @@ LIB1ASMFUNCS = \ _lshrdi3 \ _fmul _fmuls _fmulsu +LIB2FUNCS_EXCLUDE = \ + _clz + +# We do not have the DF type. +# Most of the C functions in libgcc2 use almost all registers, +# so use -mcall-prologues for smaller code size. +HOST_LIBGCC2_CFLAGS = -DDF=SF -Dinhibit_libc -mcall-prologues -Os + # Extra 16-bit integer functions. intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _clrsbXX2 |
