-# Specific names for AVR tools
-AR_FOR_TARGET = avr-ar
-RANLIB_FOR_TARGET = avr-ranlib
-
-CROSS_LIBGCC1 = libgcc1-asm.a
LIB1ASMSRC = avr/libgcc.S
LIB1ASMFUNCS = \
- mulqi3 \
- mulhi3 \
- mulsi3 \
- umodqi3 \
- udivqi3 \
- modqi3 \
- divqi3 \
- umodhi3 \
- udivhi3 \
- modhi3 \
- divhi3 \
- umodsi3 \
- udivsi3 \
- modsi3 \
- divsi3 \
- prologue \
- epilogue \
- __exit
-
-# libgcc...
-LIBGCC1_TEST =
+ _mulqi3 \
+ _mulhi3 \
+ _mulsi3 \
+ _udivmodqi4 \
+ _divmodqi4 \
+ _udivmodhi4 \
+ _divmodhi4 \
+ _udivmodsi4 \
+ _divmodsi4 \
+ _prologue \
+ _epilogue \
+ _exit \
+ _cleanup \
+ _tablejump \
+ _copy_data \
+ _clear_bss \
+ _ctors \
+ _dtors
-# We do not have DF type
-TARGET_LIBGCC2_CFLAGS = -DDF=SF -Dinhibit_libc
-#LIBGCC2 = $(LIBGCC1)
+# 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.
+TARGET_LIBGCC2_CFLAGS = -DDF=SF -Dinhibit_libc -mcall-prologues -Os
fp-bit.c: $(srcdir)/config/fp-bit.c $(srcdir)/config/avr/t-avr
+ echo '#define FLOAT' > fp-bit.c
echo '#define FLOAT_ONLY' >> fp-bit.c
echo '#define CMPtype QItype' >> fp-bit.c
echo '#define DF SF' >> fp-bit.c
FPBIT = fp-bit.c
+MULTILIB_OPTIONS = mmcu=avr2/mmcu=avr25/mmcu=avr3/mmcu=avr31/mmcu=avr35/mmcu=avr4/mmcu=avr5/mmcu=avr51/mmcu=avr6
+MULTILIB_DIRNAMES = avr2 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6
+
+# The many avr2 matches are not listed here - this is the default.
+MULTILIB_MATCHES = \
+ mmcu?avr25=mmcu?attiny13 \
+ mmcu?avr25=mmcu?attiny2313 \
+ mmcu?avr25=mmcu?attiny24 \
+ mmcu?avr25=mmcu?attiny44 \
+ mmcu?avr25=mmcu?attiny84 \
+ mmcu?avr25=mmcu?attiny25 \
+ mmcu?avr25=mmcu?attiny45 \
+ mmcu?avr25=mmcu?attiny85 \
+ mmcu?avr25=mmcu?attiny261 \
+ mmcu?avr25=mmcu?attiny461 \
+ mmcu?avr25=mmcu?attiny861 \
+ mmcu?avr25=mmcu?attiny43u \
+ mmcu?avr25=mmcu?attiny48 \
+ mmcu?avr25=mmcu?attiny88 \
+ mmcu?avr25=mmcu?at86rf401 \
+ mmcu?avr3=mmcu?at43usb320 \
+ mmcu?avr3=mmcu?at43usb355 \
+ mmcu?avr3=mmcu?at76c711 \
+ mmcu?avr31=mmcu?atmega103 \
+ mmcu?avr35=mmcu?at90usb82 \
+ mmcu?avr35=mmcu?at90usb162 \
+ mmcu?avr4=mmcu?atmega48 \
+ mmcu?avr4=mmcu?atmega48p \
+ mmcu?avr4=mmcu?atmega8 \
+ mmcu?avr4=mmcu?atmega8515 \
+ mmcu?avr4=mmcu?atmega8535 \
+ mmcu?avr4=mmcu?atmega88 \
+ mmcu?avr4=mmcu?atmega88p \
+ mmcu?avr4=mmcu?atmega8hva \
+ mmcu?avr4=mmcu?at90pwm1 \
+ mmcu?avr4=mmcu?at90pwm2 \
+ mmcu?avr4=mmcu?at90pwm2b \
+ mmcu?avr4=mmcu?at90pwm3 \
+ mmcu?avr4=mmcu?at90pwm3b \
+ mmcu?avr5=mmcu?atmega16 \
+ mmcu?avr5=mmcu?atmega161 \
+ mmcu?avr5=mmcu?atmega162 \
+ mmcu?avr5=mmcu?atmega163 \
+ mmcu?avr5=mmcu?atmega164p \
+ mmcu?avr5=mmcu?atmega165 \
+ mmcu?avr5=mmcu?atmega165p \
+ mmcu?avr5=mmcu?atmega168 \
+ mmcu?avr5=mmcu?atmega168p \
+ mmcu?avr5=mmcu?atmega169 \
+ mmcu?avr5=mmcu?atmega169p \
+ mmcu?avr5=mmcu?atmega32 \
+ mmcu?avr5=mmcu?atmega323 \
+ mmcu?avr5=mmcu?atmega324p \
+ mmcu?avr5=mmcu?atmega325 \
+ mmcu?avr5=mmcu?atmega325p \
+ mmcu?avr5=mmcu?atmega3250 \
+ mmcu?avr5=mmcu?atmega3250p \
+ mmcu?avr5=mmcu?atmega328p \
+ mmcu?avr5=mmcu?atmega329 \
+ mmcu?avr5=mmcu?atmega329p \
+ mmcu?avr5=mmcu?atmega3290 \
+ mmcu?avr5=mmcu?atmega3290p \
+ mmcu?avr5=mmcu?atmega32hvb \
+ mmcu?avr5=mmcu?atmega406 \
+ mmcu?avr5=mmcu?atmega64 \
+ mmcu?avr5=mmcu?atmega640 \
+ mmcu?avr5=mmcu?atmega644 \
+ mmcu?avr5=mmcu?atmega644p \
+ mmcu?avr5=mmcu?atmega645 \
+ mmcu?avr5=mmcu?atmega6450 \
+ mmcu?avr5=mmcu?atmega649 \
+ mmcu?avr5=mmcu?atmega6490 \
+ mmcu?avr5=mmcu?atmega16hva \
+ mmcu?avr5=mmcu?at90can32 \
+ mmcu?avr5=mmcu?at90can64 \
+ mmcu?avr5=mmcu?at90pwm216 \
+ mmcu?avr5=mmcu?at90pwm316 \
+ mmcu?avr5=mmcu?at90usb646 \
+ mmcu?avr5=mmcu?at90usb647 \
+ mmcu?avr5=mmcu?at94k \
+ mmcu?avr51=mmcu?atmega128 \
+ mmcu?avr51=mmcu?atmega1280 \
+ mmcu?avr51=mmcu?atmega1281 \
+ mmcu?avr51=mmcu?atmega1284p \
+ mmcu?avr51=mmcu?at90can128 \
+ mmcu?avr51=mmcu?at90usb1286 \
+ mmcu?avr51=mmcu?at90usb1287 \
+ mmcu?avr6=mmcu?atmega2560 \
+ mmcu?avr6=mmcu?atmega2561
+MULTILIB_EXCEPTIONS =
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib