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- TEXT memset(SB), $0
- MOVL n+8(FP), R0
- BLE return
- MOVL s1+0(FP), A1
- CLRL R1
- MOVB c+7(FP), R1
- BEQ l1
- /*
- * create 4 replicated copies
- * of the byte in R1
- */
- MOVL R1, R2
- ASLL $8, R2
- ORL R2, R1
- MOVL R1, R2
- SWAP R2
- ORL R2, R1
- /*
- * quad-long-at-a-time set
- * destination allignment is not
- * very important.
- */
- l1:
- SUBL $16, R0
- BLT l2
- MOVL R1, (A1)+
- MOVL R1, (A1)+
- MOVL R1, (A1)+
- MOVL R1, (A1)+
- BRA l1
- /*
- * cleanup byte-at-a-time
- */
- l2:
- ADDL $15, R0
- BLT return
- l3:
- MOVB R1, (A1)+
- SUBL $1, R0
- BGE l3
- return:
- MOVL s1+0(FP),R0
- RTS
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