"MemoryCopy",
	"MemoryFill",
	"TableInit",
	"ElemDrop",
	"TableCopy",
	"TableGrow",
	"TableSize",
	"TableFill",
	"Last",
	"RESUMEPOINT",
	"CALLNORESUME",
	"RETUNWIND",
	"MOVB",
	"MOVH",
	"MOVW",
	"MOVD",
	"WORD",
	"LAST",

#include "go_asm.h"
#include "textflag.h"

TEXT ·IndexByte(SB),NOSPLIT,$0-40
	MOVV	b_base+0(FP), R1
	MOVV	b_len+8(FP), R2
	MOVBU	c+24(FP), R3	// byte to find
	MOVV	R1, R4		// store base for later
	ADDV	R1, R2		// end
	ADDV	$-1, R1

loop:
	ADDV	$1, R1
	BEQ	R1, R2, notfound
	MOVBU	(R1), R5
	BNE	R3, R5, loop

	SUBV	R4, R1		// remove base
	MOVV	R1, ret+32(FP)
	RET

notfound:
	MOVV	$-1, R1

//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

	CMPQ R15, $16
	JAE  loop

bytes_between_0_and_15:
	TESTQ R15, R15
	JZ    done
	MOVQ  $1, BX
	XORQ  CX, CX
	XORQ  R13, R13
	ADDQ  R15, SI

flush_buffer:
	SHLQ $8, BX, CX
	SHLQ $8, BX
	MOVB -1(SI), R13
	XORQ R13, BX
	DECQ SI
	DECQ R15
	JNZ  flush_buffer

	ADDQ BX, R8
	ADCQ CX, R9
	ADCQ $0, R10
	MOVQ $16, R15
	JMP  multiply

done:
	MOVQ R8, 0(DI)
	MOVQ R9, 8(DI)

    }

    def "can overwrite entry"() {
        when:
        store.move("!", file("abc"))
        store.move(" ", file("def"))

        then:
        fsBase.file("_").text == "def"
    }

    def "creates intermediary directories"() {
        when:
        store.move("a/!/c", file("abc"))
        store.move("a/ /d", file("abd"))
        store.move("a/c/(", file("aca"))

        then:
        fsBase.file("a/_").directory

move1:
	CMPBNE	R5, $1, move2
	MOVB	0(R4), R3
	MOVB	R3, 0(R6)
	RET
move2:
	CMPBNE	R5, $2, move3
	MOVH	0(R4), R3
	MOVH	R3, 0(R6)
	RET
move3:
	MOVH	0(R4), R3
	MOVB	2(R4), R7
	MOVH	R3, 0(R6)
	MOVB	R7, 2(R6)
	RET

move4to7:
	CMPBNE	R5, $4, move5
	MOVW	0(R4), R3
	MOVW	R3, 0(R6)
	RET
move5:
	CMPBNE	R5, $5, move6
	MOVW	0(R4), R3
	MOVB	4(R4), R7
	MOVW	R3, 0(R6)
	MOVB	R7, 4(R6)

	BR	start

clear0to3:
	CMPBEQ	R5, $0, done
	CMPBNE	R5, $1, clear2
	MOVB	$0, 0(R4)
	RET
clear2:
	CMPBNE	R5, $2, clear3
	MOVH	$0, 0(R4)
	RET
clear3:
	MOVH	$0, 0(R4)
	MOVB	$0, 2(R4)
	RET

clear4to7:
	CMPBNE	R5, $4, clear5
	MOVW	$0, 0(R4)
	RET
clear5:
	CMPBNE	R5, $5, clear6
	MOVW	$0, 0(R4)
	MOVB	$0, 4(R4)
	RET
clear6:
	CMPBNE	R5, $6, clear7
	MOVW	$0, 0(R4)
	MOVH	$0, 4(R4)

	AND	$7, R4, R8
	BEQ	R8, words
	MOVB	(R5), R7
	ADDV	$1, R5
	MOVB	R7, (R4)
	ADDV	$1, R4
	JMP	-6(PC)

words:
	// do 8 bytes at a time if there is room
	ADDV	$-7, R9, R6 // R6 is end pointer-7

	PCALIGN	$16
	SGTU	R6, R4, R8
	BEQ	R8, out
	MOVV	(R5), R7
	ADDV	$8, R5
	MOVV	R7, (R4)
	ADDV	$8, R4
	JMP	-6(PC)

out:
	BEQ	R4, R9, done
	MOVB	(R5), R7
	ADDV	$1, R5
	MOVB	R7, (R4)

	AND	$7, R1, R5
	BEQ	R5, words
	MOVB	(R2), R4
	ADDV	$1, R2
	MOVB	R4, (R1)
	ADDV	$1, R1
	JMP	-6(PC)

words:
	// do 8 bytes at a time if there is room
	ADDV	$-7, R6, R3 // R3 is end pointer-7

	SGTU	R3, R1, R5
	BEQ	R5, out
	MOVV	(R2), R4
	ADDV	$8, R2
	MOVV	R4, (R1)
	ADDV	$8, R1
	JMP	-6(PC)

out:
	BEQ	R1, R6, done
	MOVB	(R2), R4
	ADDV	$1, R2
	MOVB	R4, (R1)
	ADDV	$1, R1

        when:
        store.move("a", createFile("abc"))
        store.move("a", createFile("def"))

        then:
        fsBase.file("a").text == "def"
    }

    def "creates intermediary directories"() {
        when:
        store.move("a/b/c", createFile("abc"))
        store.move("a/b/d", createFile("abd"))
        store.move("a/c/a", createFile("aca"))

        then: