PR target/34210 PR target/35508 * config.host (avr-*-*): Add avr cpu_type and…

PR target/34210 PR target/35508 * config.host (avr-*-*): Add avr cpu_type and avr tmake_file. * config/t-avr: New file. Build 16bit libgcc functions.

From-SVN: r133993

libgcc/ChangeLog

+2008-04-07  Andy Hutchinson  <hutchinsonandy@aim.com>
+
+	PR target/34210
+	PR target/35508
+	* config.host (avr-*-*): Add avr cpu_type and avr tmake_file.
+	* config/t-avr: New file. Build 16bit libgcc functions.
+
 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/35401

libgcc/config.host

@@ -77,6 +77,9 @@ strongarm*-*-*)
 arm*-*-*)
 	cpu_type=arm
 	;;
+avr-*-*)
+	cpu_type=avr
+	;;    
 bfin*-*)
 	cpu_type=bfin
 	;;
@@ -243,6 +246,8 @@ arm*-*-kaos*)
 avr-*-rtems*)
 	;;
 avr-*-*)
+    # Make HImode functions for AVR
+    tmake_file=${cpu_type}/t-avr
 	;;
 bfin*-elf*)
         ;;

libgcc/config/avr/t-avr

+# Extra 16-bit integer functions.
+intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _ffsXX2 _clzXX2 \
+             _ctzXX2 _popcountXX2 _parityXX2
+hiintfuncs16 = $(subst XX,hi,$(intfuncs16))
+siintfuncs16 = $(subst XX,si,$(intfuncs16))
+
+iter-items := $(hiintfuncs16)
+iter-labels := $(siintfuncs16)
+iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16))
+
+
+include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
+libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16))
+
+ifeq ($(enable_shared),yes)
+libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
+endif
+
+