Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / arm / t-arm-elf

diff --git a/gcc/config/arm/t-arm-elf b/gcc/config/arm/t-arm-elf
index d94b5d2ccbc087878fc07616420993bbc5adc930..33462939994ed0303084efcc7a6d8c9445447bb1 100644 (file)
--- a/gcc/config/arm/t-arm-elf
+++ b/gcc/config/arm/t-arm-elf
@@ -1,44 +1,47 @@
 LIB1ASMSRC = arm/lib1funcs.asm
-LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
+# For most CPUs we have an assembly soft-float implementations.
+# However this is not true for ARMv6M.  Here we want to use the soft-fp C
+# implementation.  The soft-fp code is only build for ARMv6M.  This pulls
+# in the asm implementation for other CPUs.
+LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \
+       _call_via_rX _interwork_call_via_rX \
+       _lshrdi3 _ashrdi3 _ashldi3 \
+       _arm_negdf2 _arm_addsubdf3 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+       _arm_fixdfsi _arm_fixunsdfsi \
+       _arm_truncdfsf2 _arm_negsf2 _arm_addsubsf3 _arm_muldivsf3 \
+       _arm_cmpsf2 _arm_unordsf2 _arm_fixsfsi _arm_fixunssfsi \
+       _arm_floatdidf _arm_floatdisf _arm_floatundidf _arm_floatundisf \
+       _clzsi2 _clzdi2
 
-# We want fine grained libraries, so use the new code to build the
-# floating point emulation libraries.
-FPBIT = fp-bit.c
-DPBIT = dp-bit.c
-
-fp-bit.c: $(srcdir)/config/fp-bit.c
-       echo '#define FLOAT' > fp-bit.c
-       echo '#ifndef __ARMEB__' >> fp-bit.c
-       echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
-       echo '#endif' >> fp-bit.c
-       cat $(srcdir)/config/fp-bit.c >> fp-bit.c
-
-dp-bit.c: $(srcdir)/config/fp-bit.c
-       echo '#ifndef __ARMEB__' > dp-bit.c
-       echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
-       echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
-       echo '#endif' >> dp-bit.c
-       cat $(srcdir)/config/fp-bit.c >> dp-bit.c
-
-       
 MULTILIB_OPTIONS     = marm/mthumb
 MULTILIB_DIRNAMES    = arm thumb
 MULTILIB_EXCEPTIONS  = 
-       
-# MULTILIB_OPTIONS     = mlittle-endian/mbig-endian
-# MULTILIB_DIRNAMES    = le be
-# MULTILIB_EXCEPTIONS  = 
-# MULTILIB_MATCHES     = mbig-endian=mbe mlittle-endian=mle
+MULTILIB_MATCHES     =
+
+#MULTILIB_OPTIONS      += march=armv7
+#MULTILIB_DIRNAMES     += thumb2
+#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+#MULTILIB_MATCHES      += march?armv7=march?armv7-a
+#MULTILIB_MATCHES      += march?armv7=march?armv7-r
+#MULTILIB_MATCHES      += march?armv7=march?armv7-m
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+
+# MULTILIB_OPTIONS    += mcpu=ep9312
+# MULTILIB_DIRNAMES   += ep9312
+# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
+#      
+# MULTILIB_OPTIONS     += mlittle-endian/mbig-endian
+# MULTILIB_DIRNAMES    += le be
+# MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle
 # 
 # MULTILIB_OPTIONS    += mhard-float/msoft-float
 # MULTILIB_DIRNAMES   += fpu soft
-# 
-# MULTILIB_OPTIONS    += mapcs-32/mapcs-26
-# MULTILIB_DIRNAMES   += 32bit 26bit
+# MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
 # 
 # MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
 # MULTILIB_DIRNAMES   += normal interwork
-# MULTILIB_EXCEPTIONS += *mapcs-26/*mthumb-interwork*
 # 
 # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
 # MULTILIB_DIRNAMES   += elf under
@@ -81,7 +84,7 @@ INSTALL_LIBGCC = install-multilib
 # Currently there is a bug somewhere in GCC's alias analysis
 # or scheduling code that is breaking _fpmul_parts in fp-bit.c.
 # Disabling function inlining is a workaround for this problem.
-TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
+TARGET_LIBGCC2_CFLAGS = -fno-inline
 
 # Assemble startup files.
 $(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
@@ -91,3 +94,4 @@ $(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
 $(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
        $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
        -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
+