SUBVU	$1, R14
	BEQ	R16, R17, chunk16_loop
	SUBV	$8, R4
	SUBV	$8, R6

byte_loop:
	BEQ	R4, R12, samebytes
	MOVBU	(R4), R8
	ADDVU	$1, R4
	MOVBU	(R6), R9
	ADDVU	$1, R6
	BEQ	R8, R9, byte_loop

byte_cmp:
	SGTU	R8, R9, R4 // R12 = 1 if (R8 > R9)
	BNE	R0, R4, ret
	MOVV	$-1, R4
	JMP	ret

samebytes:
	SGTU	R5, R7, R8
	SGTU	R7, R5, R9
	SUBV	R9, R8, R4

ret:

	// arm64:"NEGS","SBCS","NGC","NEG",-"ADD",-"SUB",-"CMP"
	// loong64:"SUBV","SGTU"
	// ppc64x:"SUBC", "SUBE", "SUBZE", "NEG"
	// s390x:"SUBE"
	// mips64:"SUBV","SGTU"
	// riscv64: "SUB","SLTU"
	return bits.Sub(x, y, ci)
}

func SubC(x, ci uint) (r, co uint) {
	// amd64:"NEGL","SBBQ","NEGQ"
	// arm64:"NEGS","SBCS","NGC","NEG",-"ADD",-"SUB",-"CMP"
	// loong64:"SUBV","SGTU"
	// ppc64x:"SUBC", "SUBE", "SUBZE", "NEG"

	AND	$0xff, R7
	MOVV	R4, R6		// store base for later
	ADDV	R4, R5		// end
	ADDV	$-1, R4

	PCALIGN	$16
loop:
	ADDV	$1, R4
	BEQ	R4, R5, notfound
	MOVBU	(R4), R8
	BNE	R7, R8, loop

	SUBV	R6, R4		// remove base
	RET

notfound:
	MOVV	$-1, R4
	RET

TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT,$0-32
	// R4 = s_base
	// R5 = s_len
	// R6 = byte to find
	MOVV	R4, R7		// store base for later

								d.saveError(fmt.Errorf("json: cannot set embedded pointer to unexported struct: %v", subv.Type().Elem()))
								// Invalidate subv to ensure d.value(subv) skips over
								// the JSON value without assigning it to subv.
								subv = reflect.Value{}
								destring = false
								break
							}
							subv.Set(reflect.New(subv.Type().Elem()))
						}
						subv = subv.Elem()
					}

	SUB	R6, R26, R27	// 0346d822
	SUBU	R6, R26, R27	// 0346d823
	SUBV	R16, R17, R26	// 0230d02e
	SUBVU	R16, R17, R26	// 0230d02f

//	LSUBW imm ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	SUB	$-3126, R17, R22	// 22360c36
	SUB	$3126, R17, R22		// 2236f3ca
	SUBU	$16384, R17, R12	// 262cc000
	SUBV	$-6122, R10, R9		// 614917ea
	SUBV	$6122, R10, R9		// 6149e816
	SUBVU	$1203, R17, R12		// 662cfb4d

	"WORD",
	"WSBH",
	"XOR",
	"MOVV",
	"MOVVL",
	"MOVVR",
	"SLLV",
	"SRAV",
	"SRLV",
	"DIVV",
	"DIVVU",
	"REMV",
	"REMVU",
	"MULV",
	"MULVU",
	"ADDV",
	"ADDVU",
	"SUBV",
	"SUBVU",
	"DSBH",
	"DSHD",
	"TRUNCFV",
	"TRUNCDV",
	"TRUNCFW",
	"TRUNCDW",
	"MOVWU",
	"MOVFV",
	"MOVDV",
	"MOVVF",
	"MOVVD",
	"VMOVB",
	"VMOVH",
	"VMOVW",

	"MOVVL",
	"MOVVR",
	"SLLV",
	"SRAV",
	"SRLV",
	"ROTRV",
	"DIVV",
	"DIVVU",
	"REMV",
	"REMVU",
	"MULV",
	"MULVU",
	"MULHV",
	"MULHVU",
	"ADDV",
	"ADDVU",
	"SUBV",
	"SUBVU",
	"TRUNCFV",
	"TRUNCDV",
	"TRUNCFW",
	"TRUNCDW",
	"MOVWU",
	"MOVFV",
	"MOVDV",
	"MOVVF",
	"MOVVD",
	"AMSWAPB",
	"AMSWAPH",
	"AMSWAPW",
	"AMSWAPV",
	"AMCASB",

	(OR (SGTU <t> x s:(ADDV <t> x y)) (SGTU <t> s (ADDV <t> s c)))

(Select0 <t> (Sub64borrow x y c)) => (SUBV (SUBV <t> x y) c)
(Select1 <t> (Sub64borrow x y c)) =>
	(OR (SGTU <t> s:(SUBV <t> x y) x) (SGTU <t> (SUBV <t> s c) s))

// (x + y) / 2 with x>=y => (x - y) / 2 + y
(Avg64u <t> x y) => (ADDV (SRLVconst <t> (SUBV <t> x y) [1]) y)

(And(64|32|16|8) ...) => (AND ...)
(Or(64|32|16|8) ...) => (OR ...)

(Select0 <t> (Sub64borrow x y c)) => (SUBV (SUBV <t> x y) c)
(Select1 <t> (Sub64borrow x y c)) =>
	(OR (SGTU <t> s:(SUBV <t> x y) x) (SGTU <t> (SUBV <t> s c) s))

// math package intrinsics
(Abs ...) => (ABSD ...)

// (x + y) / 2 with x>=y => (x - y) / 2 + y
(Avg64u <t> x y) => (ADDV (SRLVconst <t> (SUBV <t> x y) [1]) y)

(And(64|32|16|8) ...) => (AND ...)
(Or(64|32|16|8) ...) => (OR ...)

// Code generated by mkpreempt.go; DO NOT EDIT.

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

TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0
	MOVV R1, -480(R3)
	SUBV $480, R3
	MOVV R4, 8(R3)
	MOVV R5, 16(R3)
	MOVV R6, 24(R3)
	MOVV R7, 32(R3)
	MOVV R8, 40(R3)
	MOVV R9, 48(R3)
	MOVV R10, 56(R3)
	MOVV R11, 64(R3)
	MOVV R12, 72(R3)
	MOVV R13, 80(R3)
	MOVV R14, 88(R3)
	MOVV R15, 96(R3)
	MOVV R16, 104(R3)
	MOVV R17, 112(R3)