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- TEXT strcat(SB),$0
- MOVL $0, AX
- MOVL $-1, CX
- CLD
- /*
- * find length of second string
- */
- MOVL p2+4(FP), DI
- REPN; SCASB
- MOVL DI, BX
- SUBL p2+4(FP), BX
- /*
- * find end of first string
- */
- MOVL p1+0(FP), DI
- REPN; SCASB
- /*
- * copy the memory
- */
- SUBL $1, DI
- MOVL p2+4(FP), SI
- /*
- * copy whole longs
- */
- MOVL BX, CX
- SHRL $2, CX
- REP; MOVSL
- /*
- * copy the rest, by bytes
- */
- ANDL $3, BX
- MOVL BX, CX
- REP; MOVSB
- MOVL p1+0(FP), AX
- RET
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