blob: 3f4eb23286e039c90c16c0419b164a4b38e55441 [file] [log] [blame]
// Copyright 2020 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.
#include "go_asm.h"
#include "textflag.h"
TEXT ·Count(SB),NOSPLIT,$0-40
MOV b_base+0(FP), A1
MOV b_len+8(FP), A2
MOVBU c+24(FP), A3 // byte to count
MOV ZERO, A4 // count
ADD A1, A2 // end
loop:
BEQ A1, A2, done
MOVBU (A1), A5
ADD $1, A1
BNE A3, A5, loop
ADD $1, A4
JMP loop
done:
MOV A4, ret+32(FP)
RET
TEXT ·CountString(SB),NOSPLIT,$0-32
MOV s_base+0(FP), A1
MOV s_len+8(FP), A2
MOVBU c+16(FP), A3 // byte to count
MOV ZERO, A4 // count
ADD A1, A2 // end
loop:
BEQ A1, A2, done
MOVBU (A1), A5
ADD $1, A1
BNE A3, A5, loop
ADD $1, A4
JMP loop
done:
MOV A4, ret+24(FP)
RET