| // 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 | |
| #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 |