Intrinsics¶

GCC supports a number of built-in functions for ARC targets. Documentation for them may be found in the official manual.

All ARC built-ins are stored in arcle.h header file:

#include <arcle.h>

Here is comparison table for MetaWare andd GCC compilers regarding support of intrinsics:

MetaWare	GCC
`_abss`	`_abss`
`_abssh`	`_abssh`
`_adcs`	`_adcs`
`_add`	Not planned
`_add1`	Not planned
`_add1_f`	Not planned
`_add2`	Not planned
`_add2_f`	Not planned
`_add3`	Not planned
`_add3_f`	Not planned
`_add_f`	Not planned
`_adds`	`_adds`
`_adds_f`	Not planned
`_aex`	Unsupported
`_and`	Not planned
`_and_f`	Not planned
`_asl`	Not planned
`_asl_f`	Not planned
`_aslacc`	`_aslacc`
`_asls`	`_asls`
`_asls_f`	Not planned
`_aslsacc`	`_aslsacc`
`_asr`	Not planned
`_asr_f`	Not planned
`_asrs`	`_asrs`
`_asrs_f`	Not planned
`_asrsr`	`_asrsr`
`_asrsr_f`	Not planned
`_bclr`	Not planned
`_bclr_f`	Not planned
`_bmsk`	Not planned
`_bmsk_f`	Not planned
`_bset`	Not planned
`_bset_f`	Not planned
`_btst_f`	Not planned
`_bxor`	Not planned
`_bxor_f`	Not planned
`_cbflyhf0r`	`_cbflyhf0r`
`_cbflyhf1r`	`_cbflyhf1r`
`_cmacchfr`	`_cmacchfr`
`_cmacchnfr`	`_cmacchnfr`
`_cmachfr`	`_cmachfr`
`_cmachnfr`	`_cmachnfr`
`_cmpychfr`	`_cmpychfr`
`_cmpychnfr`	`_cmpychnfr`
`_cmpyhfmr`	`_cmpyhfmr`
`_cmpyhfr`	`_cmpyhfr`
`_cmpyhnfr`	`_cmpyhnfr`
`_divf`	`_divf`
`_dmach`	`_dmach`
`_dmachbl`	`_dmachbl`
`_dmachbm`	`_dmachbm`
`_dmachf`	`_dmachf`
`_dmachfr`	`_dmachfr`
`_dmachu`	`_dmachu`
`_dmacwh`	`_dmacwh`
`_dmacwhf`	`_dmacwhf`
`_dmacwhu`	`_dmacwhu`
`_dmpyh`	`_dmpyh`
`_dmpyhbl`	`_dmpyhbl`
`_dmpyhbm`	`_dmpyhbm`
`_dmpyhf`	`_dmpyhf`
`_dmpyhfr`	`_dmpyhfr`
`_dmpyhu`	`_dmpyhu`
`_dmpyhwf`	`_dmpyhwf`
`_dmpywh`	`_dmpywh`
`_dmpywhf`	`_dmpywhf`
`_dmpywhu`	`_dmpywhu`
`_ex`	Unsupported
`_ex_di`	Unsupported
`_ffs`	Unsupported
`_flagacc`	`_flagacc`
`_fls`	Unsupported
`_getacc`	`_getacc`
`_kflag`	`_kflag`
`_lr`	`_lr`
`_lsr`	Not planned
`_lsr_f`	Not planned
`_mac`	`_mac`
`_macd`	`_macd`
`_macdf`	`_macdf`
`_macdu`	`_macdu`
`_macf`	`_macf`
`_macfr`	`_macfr`
`_macu`	`_macu`
`_macwhfl`	`_macwhfl`
`_macwhflr`	`_macwhflr`
`_macwhfm`	`_macwhfm`
`_macwhfmr`	`_macwhfmr`
`_macwhkl`	`_macwhkl`
`_macwhkul`	`_macwhkul`
`_macwhl`	`_macwhl`
`_macwhul`	`_macwhul`
`_max_f`	Not planned
`_min_f`	Not planned
`_modif`	Not planned
`_mov_f`	Not planned
`_mpy`	Not planned
`_mpyd`	Not planned
`_mpydf`	`_mpydf`
`_mpydu`	Not planned
`_mpyf`	`_mpyf`
`_mpyfr`	`_mpyfr`
`_mpym`	Not planned
`_mpymu`	Not planned
`_mpyu`	Not planned
`_mpywhfl`	`_mpywhfl`
`_mpywhflr`	`_mpywhflr`
`_mpywhfm`	`_mpywhfm`
`_mpywhfmr`	`_mpywhfmr`
`_mpywhkl`	`_mpywhkl`
`_mpywhkul`	`_mpywhkul`
`_mpywhl`	`_mpywhl`
`_mpywhul`	`_mpywhul`
`_msubdf`	`_msubdf`
`_msubf`	`_msubf`
`_msubfr`	`_msubfr`
`_msubwhfl`	`_msubwhfl`
`_msubwhflr`	`_msubwhflr`
`_msubwhfm`	`_msubwhfm`
`_msubwhfmr`	`_msubwhfmr`
`_negs`	`_negs`
`_negs_f`	Not planned
`_negsh`	`_negsh`
`_negsh_f`	Not planned
`_norm`	Not planned
`_norm_f`	Not planned
`_normacc`	`_normacc`
`_normh`	Not planned
`_normh_f`	Not planned
`_normw`	Not planned
`_normw_f`	Not planned
`_or`	Not planned
`_or_f`	Not planned
`_qmach`	`_qmach`
`_qmachf`	`_qmachf`
`_qmachu`	`_qmachu`
`_qmpyh`	`_qmpyh`
`_qmpyhf`	`_qmpyhf`
`_qmpyhu`	`_qmpyhu`
`_rndh`	`_rndh`
`_rndh_f`	Not planned
`_ror`	Not planned
`_ror_f`	Not planned
`_rrc`	Not planned
`_rrc_f`	Not planned
`_satf`	`_satf`
`_sath`	`_sath`
`_sath_f`	Not planned
`_sbcs`	`_sbcs`
`_setacc`	`_setacc`
`_sqrt`	`_sqrt`
`_sqrtf`	`_sqrtf`
`_sr`	`_sr`
`_sub`	Not planned
`_sub1`	Not planned
`_sub1_f`	Not planned
`_sub2`	Not planned
`_sub2_f`	Not planned
`_sub3`	Not planned
`_sub3_f`	Not planned
`_sub_f`	Not planned
`_subs`	`_subs`
`_subs_f`	Not planned
`_trap`	`_trap`
`_vabs2h`	`_vabs2h`
`_vabss2h`	`_vabss2h`
`_vadd2`	`_vadd2`
`_vadd2h`	`_vadd2h`
`_vadd4b`	`_vadd4b`
`_vadd4h`	`_vadd4h`
`_vadds2`	`_vadds2`
`_vadds2h`	`_vadds2h`
`_vadds4h`	`_vadds4h`
`_vaddsub`	`_vaddsub`
`_vaddsub2h`	`_vaddsub2h`
`_vaddsub4h`	`_vaddsub4h`
`_vaddsubs`	`_vaddsubs`
`_vaddsubs2h`	`_vaddsubs2h`
`_vaddsubs4h`	`_vaddsubs4h`
`_valgn2h`	`_valgn2h`
`_vasl2h`	`_vasl2h`
`_vasls2h`	`_vasls2h`
`_vasr2h`	`_vasr2h`
`_vasrs2h`	`_vasrs2h`
`_vasrsr2h`	`_vasrsr2h`
`_vext2bhl`	`_vext2bhl`
`_vext2bhlf`	`_vext2bhlf`
`_vext2bhm`	`_vext2bhm`
`_vext2bhmf`	`_vext2bhmf`
`_vlsr2h`	`_vlsr2h`
`_vmac2h`	`_vmac2h`
`_vmac2hf`	`_vmac2hf`
`_vmac2hfr`	`_vmac2hfr`
`_vmac2hnfr`	`_vmac2hnfr`
`_vmac2hu`	`_vmac2hu`
`_vmax2h`	`_vmax2h`
`_vmin2h`	`_vmin2h`
`_vmpy2h`	`_vmpy2h`
`_vmpy2hf`	`_vmpy2hf`
`_vmpy2hfr`	`_vmpy2hfr`
`_vmpy2hu`	`_vmpy2hu`
`_vmpy2hwf`	`_vmpy2hwf`
`_vmsub2hf`	`_vmsub2hf`
`_vmsub2hfr`	`_vmsub2hfr`
`_vmsub2hnfr`	`_vmsub2hnfr`
`_vneg2h`	`_vneg2h`
`_vnegs2h`	`_vnegs2h`
`_vnorm2h`	`_vnorm2h`
`_vpack2hbl`	`_vpack2hbl`
`_vpack2hblf`	`_vpack2hblf`
`_vpack2hbm`	`_vpack2hbm`
`_vpack2hbmf`	`_vpack2hbmf`
`_vpack2hl`	`_vpack2hl`
`_vpack2hm`	`_vpack2hm`
`_vperm`	`_vperm`
`_vrep2hl`	`_vrep2hl`
`_vrep2hm`	`_vrep2hm`
`_vsext2bhl`	`_vsext2bhl`
`_vsext2bhm`	`_vsext2bhm`
`_vsub2`	`_vsub2`
`_vsub2h`	`_vsub2h`
`_vsub4b`	`_vsub4b`
`_vsub4h`	`_vsub4h`
`_vsubadd`	`_vsubadd`
`_vsubadd2h`	`_vsubadd2h`
`_vsubadd4h`	`_vsubadd4h`
`_vsubadds`	`_vsubadds`
`_vsubadds2h`	`_vsubadds2h`
`_vsubadds4h`	`_vsubadds4h`
`_vsubs2`	`_vsubs2`
`_vsubs2h`	`_vsubs2h`
`_vsubs4h`	`_vsubs4h`
`_wevt`	Unsupported