| ifeq (,$(findstring __symbian__,$(shell $(gcc_compile_bare) -dM -E - </dev/null))) |
| |
| ARM_ISA:=$(findstring __ARM_ARCH_ISA_ARM,$(shell $(gcc_compile_bare) -dM -E - </dev/null)) |
| THUMB1_ISA:=$(findstring __ARM_ARCH_ISA_THUMB 1,$(shell $(gcc_compile_bare) -dM -E - </dev/null)) |
| |
| # The condition here must match the one in gcc/config/arm/elf.h and |
| # libgcc/config/arm/lib1funcs.S. _arm_muldf3 and _arm_mulsf3 must be included |
| # first so that the weak multiplication symbols in the corresponding files are |
| # chosen over the global symbols that _arm_muldivdf3 and _arm_muldivsf3 |
| # inclusion create when only multiplication is used, thus avoiding pulling in |
| # useless division code. |
| ifneq (__ARM_ARCH_ISA_THUMB 1,$(ARM_ISA)$(THUMB1_ISA)) |
| LIB1ASMFUNCS += _arm_muldf3 _arm_mulsf3 |
| endif |
| endif # !__symbian__ |
| |
| # 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 _ctzsi2 |
| |
| # 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. |
| HOST_LIBGCC2_CFLAGS += -fno-inline |