// license that can be found in the LICENSE file.

package codegen

func cmovint(c int) int {
	x := c + 4
	if x < 0 {
		x = 182
	}
	// amd64:"CMOVQLT"
	// arm64:"CSEL\tLT"
	// ppc64x:"ISEL\t[$]0"
	// wasm:"Select"
	return x
}

func cmovchan(x, y chan int) chan int {
	if x != y {
		x = y
	}
	// amd64:"CMOVQNE"
	// arm64:"CSEL\tNE"
	// ppc64x:"ISEL\t[$]2"
	// wasm:"Select"
	return x
}

	AADD
	AADDD
	AADDF
	AADDU
	AADDW
	AAND
	ABEQ
	ABFPF
	ABFPT
	ABGEZ
	ABGEZAL
	ABGTZ
	ABLEZ
	ABLTZ
	ABLTZAL
	ABNE
	ABREAK
	ACLO
	ACLZ
	ACMOVF
	ACMOVN
	ACMOVT
	ACMOVZ
	ACMPEQD
	ACMPEQF
	ACMPGED
	ACMPGEF
	ACMPGTD
	ACMPGTF
	ADIV
	ADIVD
	ADIVF
	ADIVU
	ADIVW
	AGOK
	ALL
	ALLV
	ALUI
	AMADD
	AMOVB

		r = a
	} else {
		r = b
	}
	// amd64/v3:"CMOVQNE",-"TESTQ",-"CALL"
	return r * 2 // force return blocks joining
}

func isNotPowerOfTwoSelect32(x, a, b int32) int32 {
	var r int32
	// amd64/v3:"BLSRL",-"TESTL",-"CALL"
	if isNotPowerOfTwo32(x) {
		r = a
	} else {
		r = b
	}
	// amd64/v3:"CMOVLNE",-"TESTL",-"CALL"
	return r * 2 // force return blocks joining
}

	ALL
	ALLV

	ALUI

	AMOVB
	AMOVBU

	AMOVD
	AMOVDF
	AMOVDW
	AMOVF
	AMOVFD
	AMOVFW

	AMOVH
	AMOVHU
	AMOVW

	AMOVWD
	AMOVWF

	AMOVWL
	AMOVWR

	AMUL
	AMULD
	AMULF
	AMULU
	AMULH
	AMULHU
	AMULW
	ANEGD
	ANEGF

	ANEGW
	ANEGV

	ANOOP // hardware nop
	ANOR
	AOR
	AREM
	AREMU

	MOVW	b_len+16(FP), R2
	BEQ	R3, R4, samebytes
	SGTU	R1, R2, R7
	MOVW	R1, R8
	CMOVN	R7, R2, R8	// R8 is min(R1, R2)

	ADDU	R3, R8	// R3 is current byte in a, R8 is last byte in a to compare
loop:
	BEQ	R3, R8, samebytes

	MOVBU	(R3), R6
	ADDU	$1, R3
	MOVBU	(R4), R7
	ADDU	$1, R4
	BEQ	R6, R7 , loop

	SGTU	R6, R7, R8
	MOVW	$-1, R6
	CMOVZ	R8, R6, R8
	JMP	cmp_ret
samebytes:
	SGTU	R1, R2, R6
	SGTU	R2, R1, R7

	"ADDF",
	"ADDU",
	"ADDW",
	"AND",
	"BEQ",
	"BFPF",
	"BFPT",
	"BGEZ",
	"BGEZAL",
	"BGTZ",
	"BLEZ",
	"BLTZ",
	"BLTZAL",
	"BNE",
	"BREAK",
	"CLO",
	"CLZ",
	"CMOVF",
	"CMOVN",
	"CMOVT",
	"CMOVZ",
	"CMPEQD",
	"CMPEQF",
	"CMPGED",
	"CMPGEF",
	"CMPGTD",
	"CMPGTF",
	"DIV",
	"DIVD",
	"DIVF",
	"DIVU",
	"DIVW",
	"GOK",
	"LL",
	"LLV",
	"LUI",
	"MADD",

	//	}
	NOP	$4

	//
	// special
	//
	SYSCALL
	BREAK
	SYNC

	//
	// conditional move on zero/nonzero gp value
	//
	CMOVN	R1, R2, R3
	CMOVZ	R1, R2, R3

	//
	// conditional move on fp false/true
	//
	CMOVF	R1, R2
	CMOVT	R1, R2

	//
	// conditional traps
	//
	TEQ	$1, R1, R2
	TEQ	$1, R1


	//
	// other
	//
	CLO	R1, R2
	SQRTD	F0, F1

// input:
//   SI = a
//   DI = b
//   BX = alen
//   DX = blen
// output:
//   AX = output (-1/0/1)
TEXT cmpbody<>(SB),NOSPLIT,$0-0
	CMPQ	SI, DI
	JEQ	allsame
	CMPQ	BX, DX
	MOVQ	DX, R8
	CMOVQLT	BX, R8 // R8 = min(alen, blen) = # of bytes to compare
	CMPQ	R8, $8
	JB	small

	CMPQ	R8, $63
	JBE	loop
#ifndef hasAVX2
	CMPB	internal∕cpu·X86+const_offsetX86HasAVX2(SB), $1
	JEQ     big_loop_avx2
	JMP	big_loop