| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| TEXT ·IndexByte(SB),7,$0 |
| MOVL s+0(FP), SI |
| MOVL s_len+4(FP), CX |
| MOVB c+12(FP), AL |
| MOVL SI, DI |
| CLD; REPN; SCASB |
| JZ 3(PC) |
| MOVL $-1, ret+16(FP) |
| RET |
| SUBL SI, DI |
| SUBL $1, DI |
| MOVL DI, ret+16(FP) |
| RET |
| |
| TEXT ·Equal(SB),7,$0 |
| MOVL a_len+4(FP), BX |
| MOVL b_len+16(FP), CX |
| MOVL $0, AX |
| CMPL BX, CX |
| JNE eqret |
| MOVL a+0(FP), SI |
| MOVL b+12(FP), DI |
| CLD |
| REP; CMPSB |
| JNE eqret |
| MOVL $1, AX |
| eqret: |
| MOVB AX, ret+24(FP) |
| RET |
