--- /dev/null
+// Inferno's libkern/memmove-386.s
+// http://code.google.com/p/inferno-os/source/browse/libkern/memmove-386.s
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Revisions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com). All rights reserved.
+// Portions Copyright 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+ TEXT memmove(SB), $0
+
+ MOVL to+0(FP), DI
+ MOVL fr+4(FP), SI
+ MOVL n+8(FP), BX
+ JLT fault
+
+/*
+ * check and set for backwards
+ * should we look closer for overlap?
+ */
+ CMPL SI, DI
+ JLS back
+
+/*
+ * foreward copy loop
+ */
+ MOVL BX, CX
+ SHRL $2, CX
+ ANDL $3, BX
+
+ REP; MOVSL
+ MOVL BX, CX
+ REP; MOVSB
+
+ MOVL to+0(FP),AX
+ RET
+/*
+ * whole thing backwards has
+ * adjusted addresses
+ */
+back:
+ ADDL BX, DI
+ ADDL BX, SI
+ STD
+
+/*
+ * copy
+ */
+ MOVL BX, CX
+ SHRL $2, CX
+ ANDL $3, BX
+
+ SUBL $4, DI
+ SUBL $4, SI
+ REP; MOVSL
+
+ ADDL $3, DI
+ ADDL $3, SI
+ MOVL BX, CX
+ REP; MOVSB
+
+ CLD
+ MOVL to+0(FP),AX
+ RET
+
+/*
+ * if called with negative count,
+ * treat as error rather than
+ * rotating all of memory
+ */
+fault:
+ MOVL $0,SI
+ MOVL 0(SI), AX
+ RET
mcache.$O\
mcentral.$O\
mem.$O\
+ memmove.$O\
mfixalloc.$O\
mgc0.$O\
mheap.$O\
sys.$O\
thread.$O\
traceback.$O\
- memmove_$(GOARCH).$O\
$(OFILES_$(GOARCH))\
HFILES=\
--- /dev/null
+// Derived from Inferno's libkern/memmove-386.s (adapted for amd64)
+// http://code.google.com/p/inferno-os/source/browse/libkern/memmove-386.s
+//
+// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
+// Revisions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com). All rights reserved.
+// Portions Copyright 2009 The Go Authors. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+ TEXT memmove(SB), $0
+
+ MOVQ to+0(FP), DI
+ MOVQ fr+8(FP), SI
+ MOVLQSX n+16(FP), BX
+ JLT fault
+
+/*
+ * check and set for backwards
+ * should we look closer for overlap?
+ */
+ CMPQ SI, DI
+ JLS back
+
+/*
+ * foreward copy loop
+ */
+ MOVQ BX, CX
+ SHRQ $3, CX
+ ANDQ $7, BX
+
+ REP; MOVSQ
+ MOVQ BX, CX
+ REP; MOVSB
+
+ MOVQ to+0(FP),AX
+ RET
+/*
+ * whole thing backwards has
+ * adjusted addresses
+ */
+back:
+ ADDQ BX, DI
+ ADDQ BX, SI
+ STD
+
+/*
+ * copy
+ */
+ MOVQ BX, CX
+ SHRQ $3, CX
+ ANDQ $7, BX
+
+ SUBQ $8, DI
+ SUBQ $8, SI
+ REP; MOVSQ
+
+ ADDQ $7, DI
+ ADDQ $7, SI
+ MOVQ BX, CX
+ REP; MOVSB
+
+ CLD
+ MOVQ to+0(FP),AX
+ RET
+
+/*
+ * if called with negative count,
+ * treat as error rather than
+ * rotating all of memory
+ */
+fault:
+ MOVQ $0,SI
+ MOVQ 0(SI), AX
+ RET
+++ /dev/null
- TEXT memmove(SB), $0
-
- MOVL to+0(FP), DI
- MOVL fr+4(FP), SI
- MOVL n+8(FP), BX
- JLT fault
-
-/*
- * check and set for backwards
- * should we look closer for overlap?
- */
- CMPL SI, DI
- JLS back
-
-/*
- * foreward copy loop
- */
- MOVL BX, CX
- SHRL $2, CX
- ANDL $3, BX
-
- REP; MOVSL
- MOVL BX, CX
- REP; MOVSB
-
- MOVL to+0(FP),AX
- RET
-/*
- * whole thing backwards has
- * adjusted addresses
- */
-back:
- ADDL BX, DI
- ADDL BX, SI
- STD
-
-/*
- * copy
- */
- MOVL BX, CX
- SHRL $2, CX
- ANDL $3, BX
-
- SUBL $4, DI
- SUBL $4, SI
- REP; MOVSL
-
- ADDL $3, DI
- ADDL $3, SI
- MOVL BX, CX
- REP; MOVSB
-
- CLD
- MOVL to+0(FP),AX
- RET
-
-/*
- * if called with negative count,
- * treat as error rather than
- * rotating all of memory
- */
-fault:
- MOVL $0,SI
- MOVL 0(SI), AX
- RET
+++ /dev/null
- TEXT memmove(SB), $0
-
- MOVQ to+0(FP), DI
- MOVQ fr+8(FP), SI
- MOVLQSX n+16(FP), BX
- JLT fault
-
-/*
- * check and set for backwards
- * should we look closer for overlap?
- */
- CMPQ SI, DI
- JLS back
-
-/*
- * foreward copy loop
- */
- MOVQ BX, CX
- SHRQ $3, CX
- ANDQ $7, BX
-
- REP; MOVSQ
- MOVQ BX, CX
- REP; MOVSB
-
- MOVQ to+0(FP),AX
- RET
-/*
- * whole thing backwards has
- * adjusted addresses
- */
-back:
- ADDQ BX, DI
- ADDQ BX, SI
- STD
-
-/*
- * copy
- */
- MOVQ BX, CX
- SHRQ $3, CX
- ANDQ $7, BX
-
- SUBQ $8, DI
- SUBQ $8, SI
- REP; MOVSQ
-
- ADDQ $7, DI
- ADDQ $7, SI
- MOVQ BX, CX
- REP; MOVSB
-
- CLD
- MOVQ to+0(FP),AX
- RET
-
-/*
- * if called with negative count,
- * treat as error rather than
- * rotating all of memory
- */
-fault:
- MOVQ $0,SI
- MOVQ 0(SI), AX
- RET