| // Copyright 2018 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. |
| |
| //go:build mips || mipsle |
| // +build mips mipsle |
| |
| #include "go_asm.h" |
| #include "textflag.h" |
| |
| TEXT ·IndexByte(SB),NOSPLIT,$0-20 |
| MOVW b_base+0(FP), R1 |
| MOVW b_len+4(FP), R2 |
| MOVBU c+12(FP), R3 // byte to find |
| ADDU $1, R1, R4 // store base+1 for later |
| ADDU R1, R2 // end |
| |
| loop: |
| BEQ R1, R2, notfound |
| MOVBU (R1), R5 |
| ADDU $1, R1 |
| BNE R3, R5, loop |
| |
| SUBU R4, R1 // R1 will be one beyond the position we want so remove (base+1) |
| MOVW R1, ret+16(FP) |
| RET |
| |
| notfound: |
| MOVW $-1, R1 |
| MOVW R1, ret+16(FP) |
| RET |
| |
| TEXT ·IndexByteString(SB),NOSPLIT,$0-16 |
| MOVW s_base+0(FP), R1 |
| MOVW s_len+4(FP), R2 |
| MOVBU c+8(FP), R3 // byte to find |
| ADDU $1, R1, R4 // store base+1 for later |
| ADDU R1, R2 // end |
| |
| loop: |
| BEQ R1, R2, notfound |
| MOVBU (R1), R5 |
| ADDU $1, R1 |
| BNE R3, R5, loop |
| |
| SUBU R4, R1 // remove (base+1) |
| MOVW R1, ret+12(FP) |
| RET |
| |
| notfound: |
| MOVW $-1, R1 |
| MOVW R1, ret+12(FP) |
| RET |
