loop2:
	MOVW (DI), SI
	CMPW SI,R8
	JZ success
	ADDQ $1,DI
	CMPQ DI,DX
	JB loop2
	JMP fail
_3_or_more:
	CMPQ AX, $3
	JA   _4_or_more
	MOVW 1(R8), BX
	MOVW (R8), R8
	LEAQ -2(DI)(DX*1), DX
loop3:
	MOVW (DI), SI
	CMPW SI,R8
	JZ   partial_success3
	ADDQ $1,DI
	CMPQ DI,DX
	JB loop3
	JMP fail
partial_success3:
	MOVW 1(DI), SI
	CMPW SI,BX
	JZ success
	ADDQ $1,DI
	CMPQ DI,DX
	JB loop3

	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)

		panic("c != ic")
	}
	if c != jc {
		panic("c != jc")
	}
	// There are no tests for b and m, as slices and maps are not comparable by ==.
	if z != iz {
		panic("z != iz")
	}
	if z != jz {
		panic("z != jz")
	}
	if p != ip {
		panic("p != ip")
	}
	if p != jp {
		panic("p != jp")
	}
	if pp != ipp {
		panic("pp != ipp")
	}
	// pp does not implement J.

TEXT ·Load64(SB), NOSPLIT, $0-12
	NO_LOCAL_POINTERS
	MOVL	ptr+0(FP), AX
	TESTL	$7, AX
	JZ	2(PC)
	CALL	·panicUnaligned(SB)
	MOVQ	(AX), M0
	MOVQ	M0, ret+4(FP)
	EMMS
	RET

// void ·Store64(uint64 volatile* addr, uint64 v);
TEXT ·Store64(SB), NOSPLIT, $0-12
	NO_LOCAL_POINTERS
	MOVL	ptr+0(FP), AX
	TESTL	$7, AX
	JZ	2(PC)
	CALL	·panicUnaligned(SB)
	// MOVQ and EMMS were introduced on the Pentium MMX.

	JZ	sigtramp        // g.m == nil
	MOVL	m_ncgo(AX), CX
	TESTL	CX, CX
	JZ	sigtramp        // g.m.ncgo == 0
	MOVQ	m_curg(AX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg == nil
	MOVQ	g_syscallsp(CX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg.syscallsp == 0
	MOVQ	m_cgoCallers(AX), R8
	TESTQ	R8, R8
	JZ	sigtramp        // g.m.cgoCallers == nil
	MOVL	m_cgoCallersUse(AX), CX
	TESTL	CX, CX

	JEQ	endofpage

	MOVOU	(SI), X1 // Load data
	PCMPEQB	X0, X1	// Compare target byte with each byte in data.
	PMOVMSKB X1, DX	// Move result bits to integer register.
	BSFL	DX, DX	// Find first set bit.
	JZ	failure	// No set bit, failure.
	CMPL	DX, BX
	JAE	failure	// Match is past end of data.
	MOVQ	DX, (R8)
	RET

endofpage:
	MOVOU	-16(SI)(BX*1), X1	// Load data into the high end of X1.

	JZ	sigtramp        // g.m == nil
	MOVL	m_ncgo(AX), CX
	TESTL	CX, CX
	JZ	sigtramp        // g.m.ncgo == 0
	MOVQ	m_curg(AX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg == nil
	MOVQ	g_syscallsp(CX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg.syscallsp == 0
	MOVQ	m_cgoCallers(AX), R8
	TESTQ	R8, R8
	JZ	sigtramp        // g.m.cgoCallers == nil
	MOVL	m_cgoCallersUse(AX), CX
	TESTL	CX, CX

	JZ	sigtramp        // g.m == nil
	MOVL	m_ncgo(AX), CX
	TESTL	CX, CX
	JZ	sigtramp        // g.m.ncgo == 0
	MOVQ	m_curg(AX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg == nil
	MOVQ	g_syscallsp(CX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg.syscallsp == 0
	MOVQ	m_cgoCallers(AX), R8
	TESTQ	R8, R8
	JZ	sigtramp        // g.m.cgoCallers == nil
	MOVL	m_cgoCallersUse(AX), CX
	TESTL	CX, CX

	TESTQ $7, DX           // AND 7 & len, if not zero jump to loop_1b.
	JNZ   loop_1b
	CMPQ  DX, $0           // if len is 0, ret.
	JE    ret
	TESTQ $15, DX          // AND 15 & len, if zero jump to aligned.
	JZ    aligned

not_aligned:
	TESTQ $7, DX           // AND $7 & len, if not zero jump to loop_1b.
	JNE   loop_1b
	SUBQ  $8, DX           // XOR 8bytes backwards.
	MOVQ  (SI)(DX*1), DI
	MOVQ  (CX)(DX*1), AX

	MOVQ	DX, r2+40(FP)
	RET

// func gettimeofday(tv *Timeval) (err uintptr)
TEXT ·gettimeofday(SB),NOSPLIT,$0-16
	MOVQ	tv+0(FP), DI
	MOVQ	$0, SI
	MOVQ	runtime·vdsoGettimeofdaySym(SB), AX
	TESTQ   AX, AX
	JZ fallback
	CALL	AX
ret:
	CMPQ	AX, $0xfffffffffffff001
	JLS	ok7
	NEGQ	AX
	MOVQ	AX, err+8(FP)
	RET
fallback:
	MOVL	$SYS_gettimeofday, AX
	SYSCALL
	JMP ret
ok7:
	MOVQ	$0, err+8(FP)