Mercurial > hg > CbC > CbC_gcc
view libgcc/config/arm/t-elf @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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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