ref: bd773dee09460f5d77c96f2fe3d34ec5ee0b54ce
dir: /sys/src/libc/mips/atomic.s/
/* get variants */ TEXT agetl+0(SB),1,$0 TEXT agetp+0(SB),1,$0 SYNC LL (R1), R1 SYNC RET /* set variants */ TEXT aswapl+0(SB),1,$0 TEXT aswapp+0(SB),1,$0 MOVW new+4(FP), R2 SYNC _aswapl: LL (R1), R3 MOVW R2, R4 SC R4, (R1) BEQ R4, _aswapl SYNC MOVW R3, R1 RET /* inc variants */ TEXT aincl+0(SB),1,$0 MOVW delta+4(FP), R2 SYNC _aincl: LL (R1), R3 ADD R3, R2, R4 MOVW R4, R5 SC R5, (R1) BEQ R5, _aincl SYNC MOVW R4, R1 RET /* cas variants */ TEXT acasl+0(SB),1,$0 TEXT acasp+0(SB),1,$0 MOVW old+4(FP), R2 MOVW new+8(FP), R3 SYNC _acasl: LL (R1), R4 BNE R4, R2, _acaslf MOVW R3, R5 SC R5, (R1) BEQ R5, _acasl SYNC MOVW $1, R1 RET _acaslf: SYNC MOVW $0, R1 RET