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author | Georg-Johann Lay <avr@gjlay.de> | 2011-06-16 09:06:44 +0000 |
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committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2011-06-16 09:06:44 +0000 |
commit | 0ad8bb3bc0edddefcd332a5a2cf90c078c575284 (patch) | |
tree | 3aa2868b134db45d625452c9326e4422d3ae4312 /gcc/config/avr/t-avr | |
parent | 12430896397b7477294814403674d75e668f9f22 (diff) | |
download | gcc-0ad8bb3bc0edddefcd332a5a2cf90c078c575284.zip gcc-0ad8bb3bc0edddefcd332a5a2cf90c078c575284.tar.gz gcc-0ad8bb3bc0edddefcd332a5a2cf90c078c575284.tar.bz2 |
re PR target/49313 (Inefficient libgcc implementations for avr)
gcc/
PR target/49313
PR target/29524
* longlong.h: Add AVR support:
(count_leading_zeros): New macro.
(count_trailing_zeros): New macro.
(COUNT_LEADING_ZEROS_0): New macro.
* config/avr/t-avr (LIB1ASMFUNCS): Add
_ffssi2, _ffshi2, _loop_ffsqi2,
_ctzsi2, _ctzhi2, _clzdi2, _clzsi2, _clzhi2,
_paritydi2, _paritysi2, _parityhi2,
_popcounthi2,_popcountsi2, _popcountdi2, _popcountqi2,
_bswapsi2, _bswapdi2,
_ashldi3, _ashrdi3, _lshrdi3
(LIB2FUNCS_EXCLUDE): Add _clz.
* config/avr/libgcc.S (XCALL): Move up in file.
(XJMP): New C Macro.
(DEFUN): New asm macro.
(ENDF): New asm macro.
(__ffssi2): New function.
(__ffshi2): New function.
(__loop_ffsqi2): New function.
(__ctzsi2): New function.
(__ctzhi2): New function.
(__clzdi2): New function.
(__clzsi2): New function.
(__clzhi2): New function.
(__paritydi2): New function.
(__paritysi2): New function.
(__parityhi2): New function.
(__popcounthi2): New function.
(__popcountsi2): New function.
(__popcountdi2): New function.
(__popcountqi2): New function.
(__bswapsi2): New function.
(__bswapdi2): New function.
(__ashldi3): New function.
(__ashrdi3): New function.
(__lshrdi3): New function.
Fix suspicous lines.
libgcc/
PR target/49313
PR target/29524
* config/avr/t-avr: Fix line endings.
(intfuncs16): Remove _ffsXX2, _clzXX2, _ctzXX2, _popcountXX2,
_parityXX2.
From-SVN: r175097
Diffstat (limited to 'gcc/config/avr/t-avr')
-rw-r--r-- | gcc/config/avr/t-avr | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/gcc/config/avr/t-avr b/gcc/config/avr/t-avr index 18769eb..4186178 100644 --- a/gcc/config/avr/t-avr +++ b/gcc/config/avr/t-avr @@ -24,12 +24,10 @@ driver-avr.o: $(srcdir)/config/avr/driver-avr.c \ avr-devices.o: $(srcdir)/config/avr/avr-devices.c \ $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $< - avr-c.o: $(srcdir)/config/avr/avr-c.c \ $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) $(C_COMMON_H) $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $< - LIB1ASMSRC = avr/libgcc.S @@ -52,7 +50,30 @@ LIB1ASMFUNCS = \ _copy_data \ _clear_bss \ _ctors \ - _dtors + _dtors \ + _ffssi2 \ + _ffshi2 \ + _loop_ffsqi2 \ + _ctzsi2 \ + _ctzhi2 \ + _clzdi2 \ + _clzsi2 \ + _clzhi2 \ + _paritydi2 \ + _paritysi2 \ + _parityhi2 \ + _popcounthi2 \ + _popcountsi2 \ + _popcountdi2 \ + _popcountqi2 \ + _bswapsi2 \ + _bswapdi2 \ + _ashldi3 \ + _ashrdi3 \ + _lshrdi3 + +LIB2FUNCS_EXCLUDE = \ + _clz # We do not have the DF type. # Most of the C functions in libgcc2 use almost all registers, @@ -216,8 +237,8 @@ MULTILIB_MATCHES = \ mmcu?avr51=mmcu?at90can128 \ mmcu?avr51=mmcu?at90usb1286 \ mmcu?avr51=mmcu?at90usb1287 \ - mmcu?avr6=mmcu?atmega2560 \ - mmcu?avr6=mmcu?atmega2561 + mmcu?avr6=mmcu?atmega2560 \ + mmcu?avr6=mmcu?atmega2561 MULTILIB_EXCEPTIONS = |