Hi DJ, The attached patch provides some enhancements to libgcc for the RL78. It includes faster and smaller versions of the bit counting and simple floating point functions, and a version of the integer multiply support function designed to work on the G10.
Tested on an rl78-elf toolchain with no regressions.
OK to apply ?
Cheers
Nick
2015-01-26 Nick Clifton <ni...@redhat.com>
* config/rl78/cmpsi2.S: Use function start and end macros.
(__gcc_bcmp): New function.
* config/rl78/lshrsi3.S: Use function start and end macros.
* config/rl78/mulsi3.S: Add support for G10.
(__mulqi3): New function for G10.
* config/rl78/signbit.S: Use function start and end macros.
* config/rl78/t-rl78 (LIB2ADD): Add bit-count.S, fpbit-sf.S and
fpmath-sf.S.
(LIB2FUNCS_EXCLUDE): Define.
(LIB2FUNCS_ST): Define.
* config/rl78/trampoline.S: Use function start and end macros.
* config/rl78/vregs.h (START_FUNC): New macro.
(START_ANOTHER_FUNC): New macro.
(END_FUNC): New macro.
(END_ANOTHER_FUNC): New macro.
* config/rl78/bit-count.S: New file. Contains assembler
implementations of the bit counting functions: ___clzhi2,
__clzsi2, ctzhi2, ctzsi2, ffshi2, ffssi2, __partityhi2,
__paritysi2, __popcounthi2 and __popcountsi2.
* config/rl78/fpbit-sf.S: New file. Contains assembler
implementationas of the math functions: __negsf2, __cmpsf2,
__eqsf2, __nesf2, __lesf2, __ltsf2, __gesf2, gtsf2, __unordsf2,
__fixsfsi, __fixunssfsi, __floatsisf and __floatunssisf.
* config/rl78/fpmath-sf.S: New file. Contains assembler
implementations of the math functions: __subsf3, __addsf3,
__mulsf3 and __divsf3
rl78.libgcc.patch.xz
Description: application/xz
