Correct tx39 multilibs.

	* mips/t-r3900: New - same as t-ecoff but eliminate
	multilibs: mips1 and mips3.
	* configure.in (tx39*): Use new mips/t-r3900.
 	* configure: Rebuild.
	* mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.

From-SVN: r17693

gcc/ChangeLog

+Fri Feb  6 14:34:28 1998  Gavin Koch  <gavin@cygnus.com>
+
+	* mips/t-r3900: New - same as t-ecoff but eliminate 
+	multilibs: mips1 and mips3.
+	* configure.in (tx39*): Use new mips/t-r3900.
+ 	* configure: Rebuild.
+	* mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
+
 1998-02-06  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* dwarf2out.c: Add old_args_size.

gcc/config/mips/r3900.h

@@ -46,7 +46,7 @@ Boston, MA 02111-1307, USA.  */
 #define MIPS_CPU_STRING_DEFAULT "R3900"
 #define MIPS_ISA_DEFAULT 1
 
-#define MULTILIB_DEFAULTS { "EB", "mips1", "msoft-float" }
+#define MULTILIB_DEFAULTS { "EB", "msoft-float" }
 
 /* We use the MIPS EABI by default.  */
 #define MIPS_ABI_DEFAULT ABI_EABI

gcc/config/mips/t-r3900

+CONFIG2_H	= $(srcdir)/config/mips/ecoff.h
+
+# We have a premade insn-attrtab.c to save the hour it takes to run genattrtab.
+# PREMADE_ATTRTAB = $(srcdir)/config/mips/mips-at.c
+# PREMADE_ATTRTAB_MD = $(srcdir)/config/mips/mips-at.md
+
+# Suppress building libgcc1.a, since the MIPS compiler port is complete
+# and does not need anything from libgcc1.a.
+LIBGCC1 =
+
+# When building a cross compiler, put the mips16 support functions in
+# libgcc1.a.
+CROSS_LIBGCC1 = libgcc1-asm.a
+LIB1ASMSRC = mips/mips16.S
+LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
+	_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
+	_m16fltsisf _m16fixsfsi \
+	_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
+	_m16extsfdf2 _m16trdfsf2 \
+	_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
+	_m16fltsidf _m16fixdfsi \
+	_m16retsf _m16retdf \
+	_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
+	_m16stubsf0 _m16stubsf1 _m16stubsf2 _m16stubsf5 _m16stubsf6 \
+	_m16stubsf9 _m16stubsf10 \
+	_m16stubdf0 _m16stubdf1 _m16stubdf2 _m16stubdf5 _m16stubdf6 \
+	_m16stubdf9 _m16stubdf10
+
+# We must build libgcc2.a with -G 0, in case the user wants to link
+# without the $gp register.
+TARGET_LIBGCC2_CFLAGS = -G 0
+
+# fp-bit and dp-bit are really part of libgcc1, but this will cause
+# them to be built correctly, so... [taken from t-sparclite]
+LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#ifdef __MIPSEL__' > dp-bit.c
+	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
+	echo '#endif' >> dp-bit.c
+	echo '#define US_SOFTWARE_GOFAST' >> dp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	echo '#ifdef __MIPSEL__' >> fp-bit.c
+	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
+	echo '#endif' >> fp-bit.c
+	echo '#define US_SOFTWARE_GOFAST' >> fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+# Build the libraries for both hard and soft floating point
+
+MULTILIB_OPTIONS = msoft-float/msingle-float EL/EB
+MULTILIB_DIRNAMES = soft-float single el eb
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
+
+# Add additional dependencies to recompile selected modules whenever the
+# tm.h file changes.  The files compiled are:
+#
+#	gcc.c		(*_SPEC changes)
+#	toplev.c	(new switches + assembly output changes)
+#	sdbout.c	(debug format changes)
+#	dbxout.c	(debug format changes)
+#	dwarfout.c	(debug format changes)
+#	final.c		(assembly output changes)
+#	varasm.c	(assembly output changes)
+#	cse.c		(cost functions)
+#	insn-output.c	(possible ifdef changes in tm.h)
+#	regclass.c	(fixed/call used register changes)
+#	cccp.c		(new preprocessor macros, -v version #)
+#	explow.c	(GO_IF_LEGITIMATE_ADDRESS)
+#	recog.c		(GO_IF_LEGITIMATE_ADDRESS)
+#	reload.c	(GO_IF_LEGITIMATE_ADDRESS)
+
+gcc.o: $(CONFIG2_H)
+toplev.o: $(CONFIG2_H)
+sdbout.o: $(CONFIG2_H)
+dbxout.o: $(CONFIG2_H)
+dwarfout.o: $(CONFIG2_H)
+final.o: $(CONFIG2_H)
+varasm.o: $(CONFIG2_H)
+cse.o: $(CONFIG2_H)
+insn-output.o: $(CONFIG2_H)
+regclass.o: $(CONFIG2_H)
+cccp.o: $(CONFIG2_H)
+explow.o: $(CONFIG2_H)
+recog.o: $(CONFIG2_H)
+reload.o: $(CONFIG2_H)

gcc/configure.in

@@ -1992,11 +1992,11 @@ for machine in $build $host $target; do
 		;;
 	mipstx39el-*-elf*)
 		tm_file="mips/r3900.h mips/elfl.h mips/abi64.h libgloss.h"
-		tmake_file=mips/t-ecoff
+		tmake_file=mips/t-r3900
 		;;
 	mipstx39-*-elf*)
 		tm_file="mips/r3900.h mips/elf.h mips/abi64.h libgloss.h"
-		tmake_file=mips/t-ecoff
+		tmake_file=mips/t-r3900
 		;;
 	mips-*-*)				# Default MIPS RISC-OS 4.0.
 		if [[ x$stabs = xyes ]]; then