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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /src/internal/bytealg/indexbyte_386.s | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/internal/bytealg/indexbyte_386.s')
-rw-r--r-- | src/internal/bytealg/indexbyte_386.s | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/internal/bytealg/indexbyte_386.s b/src/internal/bytealg/indexbyte_386.s new file mode 100644 index 0000000..8a03054 --- /dev/null +++ b/src/internal/bytealg/indexbyte_386.s @@ -0,0 +1,34 @@ +// 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. + +#include "go_asm.h" +#include "textflag.h" + +TEXT ·IndexByte(SB),NOSPLIT,$0-20 + MOVL b_base+0(FP), SI + MOVL b_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 ·IndexByteString(SB),NOSPLIT,$0-16 + MOVL s_base+0(FP), SI + MOVL s_len+4(FP), CX + MOVB c+8(FP), AL + MOVL SI, DI + CLD; REPN; SCASB + JZ 3(PC) + MOVL $-1, ret+12(FP) + RET + SUBL SI, DI + SUBL $1, DI + MOVL DI, ret+12(FP) + RET |