diff options
Diffstat (limited to 'src/pkg/bytes/asm_386.s')
| -rw-r--r-- | src/pkg/bytes/asm_386.s | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/pkg/bytes/asm_386.s b/src/pkg/bytes/asm_386.s new file mode 100644 index 000000000..f3391740b --- /dev/null +++ b/src/pkg/bytes/asm_386.s @@ -0,0 +1,17 @@ +// 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 p+0(FP), SI + MOVL len+4(FP), CX + MOVB b+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 |