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| author | Georg-Johann Lay <avr@gjlay.de> | 2012-09-05 08:47:50 +0000 |
|---|---|---|
| committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2012-09-05 08:47:50 +0000 |
| commit | b588ae3074e258f5c736034c212e7499a565746f (patch) | |
| tree | 9f336c5bfcd0b1ffef11bb616b7591f8823a8ed2 /libgcc/config/avr/t-avrlibc | |
| parent | 4efbb06f6737868e79b3791af3462fb58da91013 (diff) | |
| download | gcc-b588ae3074e258f5c736034c212e7499a565746f.zip gcc-b588ae3074e258f5c736034c212e7499a565746f.tar.gz gcc-b588ae3074e258f5c736034c212e7499a565746f.tar.bz2 | |
re PR target/54461 ([avr] add configure option for better AVR-Libc integration)
PR target/54461
* configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib,
target-libgloss if not configured --with-avrlibc=no.
* configure: Regenerate.
libgcc/
PR target/54461
* config.host (tmake_file,host=avr-*-*): Add avr/t-avrlibc if
not configured --with-avrlibc=no.
* config/avr/t-avrlibc: New file.
* Makefile.in (FPBIT_FUNCS): filter-out LIB2FUNCS_EXCLUDE.
(DPBIT_FUNCS): Ditto.
(TPBIT_FUNCS): Ditto.
gcc/
PR target/54461
* config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
not configured --with-avrlibc=no.
(tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured
--with-avrlibc=no.
* config/avr/avrlibc.h: New file.
* config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
not configured --with-avrlibc=no.
* doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
From-SVN: r190967
Diffstat (limited to 'libgcc/config/avr/t-avrlibc')
| -rw-r--r-- | libgcc/config/avr/t-avrlibc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libgcc/config/avr/t-avrlibc b/libgcc/config/avr/t-avrlibc new file mode 100644 index 0000000..d2c8b87 --- /dev/null +++ b/libgcc/config/avr/t-avrlibc @@ -0,0 +1,66 @@ +# This file is used if not configured --with-avrlibc=no +# +# AVR-Libc comes with hand-optimized float routines. +# For historical reasons, these routines live in AVR-Libc +# and not in libgcc and use the same function names like libgcc. +# To get the best support, i.e. always use the routines from +# AVR-Libc, we remove these routines from libgcc. +# +# See also PR54461. +# +# +# Arithmetic: +# __addsf3 __subsf3 __divsf3 __mulsf3 __negsf2 +# +# Comparison: +# __cmpsf2 __unordsf2 +# __eqsf2 __lesf2 __ltsf2 __nesf2 __gesf2 __gtsf2 +# +# Conversion: +# __fixsfdi __fixunssfdi __floatdisf __floatundisf +# __fixsfsi __fixunssfsi __floatsisf __floatunsisf +# +# +# These functions are contained in modules: +# +# _addsub_sf.o: __addsf3 __subsf3 +# _mul_sf.o: __mulsf3 +# _div_sf.o: __divsf3 +# _negate_sf.o: __negsf2 +# +# _compare_sf.o: __cmpsf2 +# _unord_sf.o: __unordsf2 +# _eq_sf.o: __eqsf2 +# _ne_sf.o: __nesf2 +# _ge_sf.o: __gesf2 +# _gt_sf.o: __gtsf2 +# _le_sf.o: __lesf2 +# _lt_sf.o: __ltsf2 +# +# _fixsfdi.o: __fixsfdi +# _fixunssfdi.o: __fixunssfdi +# _fixunssfsi.o: __fixunssfsi +# _floatdisf.o: __floatdisf +# _floatundisf.o: __floatundisf +# _sf_to_si.o: __fixsfsi +# _si_to_sf.o: __floatsisf +# _usi_to_sf.o: __floatunsisf + + +# SFmode +LIB2FUNCS_EXCLUDE += \ + _addsub_sf \ + _negate_sf \ + _mul_sf _div_sf \ + \ + _compare_sf \ + _unord_sf \ + _eq_sf _ne_sf \ + _gt_sf _ge_sf \ + _lt_sf _le_sf \ + \ + _si_to_sf _sf_to_si \ + _usi_to_sf _sf_to_usi \ + _fixunssfsi _fixsfdi \ + _fixunssfdi \ + _floatdisf _floatundisf |