* Called from standard ARM EABI, where r4-r11 are callee-save, so they
 * must be saved explicitly.
 */
.globl crosscall1
crosscall1:
	push {r4, r5, r6, r7, r8, r9, r10, r11, ip, lr}
	mov r4, r0
	mov r5, r1
	mov r0, r2

	// Because the assembler might target an earlier revision of the ISA
	// by default, we encode BLX as a .word.
	.word 0xe12fff35 // blx r5 // setg(g)
	.word 0xe12fff34 // blx r4 // fn()

// source code to 0.
func ResetCoverage() {
	cov := coverage()
	clear(cov)
}

// SnapshotCoverage copies the current counter values into coverageSnapshot,
// preserving them for later inspection. SnapshotCoverage also rounds each
// counter down to the nearest power of two. This lets the coordinator store
// multiple values for each counter by OR'ing them together.
func SnapshotCoverage() {
	cov := coverage()
	for i, b := range cov {

	WORD	$0x9abcdef0	// WORD $2596069104	// f0debc9a

	// MOV pseudo-instructions
	MOV	X5, X6					// 13830200
	MOV	$2047, X5				// 9302f07f
	MOV	$-2048, X5				// 93020080
	MOV	$2048, X5				// b71200009b820280
	MOV	$-2049, X5				// b7f2ffff9b82f27f
	MOV	$4096, X5				// b7120000
	MOV	$2147479552, X5				// b7f2ff7f
	MOV	$2147483647, X5				// b70200809b82f2ff
	MOV	$-2147483647, X5			// b70200809b821200

	.cfi_offset 24, -40
	stp x25, x26, [sp, #32]
	.cfi_offset 25, -64
	.cfi_offset 26, -56
	stp x27, x28, [sp, #16]
	.cfi_offset 27, -80
	.cfi_offset 28, -72

	mov x19, x0
	mov x20, x1
	mov x0, x2

	blr x20
	blr x19

	ldp x27, x28, [sp, #16]
	.cfi_restore 27
	.cfi_restore 28
	ldp x25, x26, [sp, #32]
	.cfi_restore 25
	.cfi_restore 26
	ldp x23, x24, [sp, #48]
	.cfi_restore 23
	.cfi_restore 24

// func archMax(x, y float64) float64
TEXT ·archMax(SB),NOSPLIT,$0
	MOVD	x+0(FP), F0
	MOVD	y+8(FP), F1
	FCLASSD	F0, X5
	FCLASSD	F1, X6

	// +Inf special cases
	MOV	$PosInf, X7
	BEQ	X7, X5, isMaxX
	BEQ	X7, X6, isMaxY

	// NaN special cases
	MOV	$NaN, X7
	BEQ	X7, X5, isMaxX
	BEQ	X7, X6, isMaxY

	// normal case
	FMAXD	F0, F1, F0
	MOVD	F0, ret+16(FP)
	RET

isMaxX: // return x
	MOVD	F0, ret+16(FP)

	buf.WriteString(`// Code generated by wincallback.go using 'go generate'. DO NOT EDIT.

// External code calls into callbackasm at an offset corresponding
// to the callback index. Callbackasm is a table of MOV and B instructions.
// The MOV instruction loads R12 with the callback index, and the
// B instruction branches to callbackasm1.
// callbackasm1 takes the callback index from R12 and

TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
#ifndef GOOS_openbsd
	MOVB	runtime·iscgo(SB), X31
	BEQZ	X31, nocgo
#endif
	MOV	g, runtime·tls_g(SB)
nocgo:
	RET

TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
	MOV	runtime·tls_g(SB), g
	RET

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

#include "textflag.h"

TEXT _rt0_riscv64_openbsd(SB),NOSPLIT|NOFRAME,$0
	MOV	0(X2), A0	// argc
	ADD	$8, X2, A1	// argv
	JMP	main(SB)

TEXT main(SB),NOSPLIT|NOFRAME,$0
	MOV	$runtime·rt0_go(SB), T0

				p.Spadj = int32(-p.From.Offset)
			}

		case obj.AGETCALLERPC:
			if cursym.Leaf() {
				/* MOV LR, Rd */
				p.As = mov
				p.From.Type = obj.TYPE_REG
				p.From.Reg = REGLINK
			} else {
				/* MOV (RSP), Rd */
				p.As = mov
				p.From.Type = obj.TYPE_MEM
				p.From.Reg = REGSP
			}
		}

		if p.To.Type == obj.TYPE_REG && p.To.Reg == REGSP && p.Spadj == 0 {

						p = appendp(p, AI64Add)
					case obj.NAME_EXTERN:
						p = appendp(p, AI64Const, mov.From)
					default:
						panic("bad name for MOV")
					}

				case obj.TYPE_REG:
					p = appendp(p, AGet, mov.From)
					if mov.From.Reg == REG_SP {
						p = appendp(p, AI64ExtendI32U)
					}

				case obj.TYPE_MEM:
					p = appendp(p, AGet, regAddr(mov.From.Reg))