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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/internal/bytealg/equal_mipsx.s
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/internal/bytealg/equal_mipsx.s')
-rw-r--r--src/internal/bytealg/equal_mipsx.s62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/internal/bytealg/equal_mipsx.s b/src/internal/bytealg/equal_mipsx.s
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+++ b/src/internal/bytealg/equal_mipsx.s
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+// 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.
+
+// +build mips mipsle
+
+#include "go_asm.h"
+#include "textflag.h"
+
+#define REGCTXT R22
+
+// memequal(a, b unsafe.Pointer, size uintptr) bool
+TEXT runtime·memequal(SB),NOSPLIT,$0-13
+ MOVW a+0(FP), R1
+ MOVW b+4(FP), R2
+ BEQ R1, R2, eq
+ MOVW size+8(FP), R3
+ ADDU R1, R3, R4
+loop:
+ BNE R1, R4, test
+ MOVW $1, R1
+ MOVB R1, ret+12(FP)
+ RET
+test:
+ MOVBU (R1), R6
+ ADDU $1, R1
+ MOVBU (R2), R7
+ ADDU $1, R2
+ BEQ R6, R7, loop
+
+ MOVB R0, ret+12(FP)
+ RET
+eq:
+ MOVW $1, R1
+ MOVB R1, ret+12(FP)
+ RET
+
+// memequal_varlen(a, b unsafe.Pointer) bool
+TEXT runtime·memequal_varlen(SB),NOSPLIT,$0-9
+ MOVW a+0(FP), R1
+ MOVW b+4(FP), R2
+ BEQ R1, R2, eq
+ MOVW 4(REGCTXT), R3 // compiler stores size at offset 4 in the closure
+ ADDU R1, R3, R4
+loop:
+ BNE R1, R4, test
+ MOVW $1, R1
+ MOVB R1, ret+8(FP)
+ RET
+test:
+ MOVBU (R1), R6
+ ADDU $1, R1
+ MOVBU (R2), R7
+ ADDU $1, R2
+ BEQ R6, R7, loop
+
+ MOVB R0, ret+8(FP)
+ RET
+eq:
+ MOVW $1, R1
+ MOVB R1, ret+8(FP)
+ RET