Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/internal/bytealg/indexbyte_mipsx.s b/src/internal/bytealg/indexbyte_mipsx.s
new file mode 100644
index 0000000..1c2b104
--- /dev/null
+++ b/src/internal/bytealg/indexbyte_mipsx.s
@@ -0,0 +1,52 @@
+// 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