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

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

TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0
	MOVW.W R14, -188(R13)
	MOVW R0, 4(R13)
	MOVW R1, 8(R13)
	MOVW R2, 12(R13)
	MOVW R3, 16(R13)
	MOVW R4, 20(R13)
	MOVW R5, 24(R13)
	MOVW R6, 28(R13)
	MOVW R7, 32(R13)
	MOVW R8, 36(R13)
	MOVW R9, 40(R13)
	MOVW R11, 44(R13)
	MOVW R12, 48(R13)
	MOVW CPSR, R0
	MOVW R0, 52(R13)

		s.WriteString(strconv.FormatUint(e.Args[i], 10))
	}
	if spec.IsStack {
		frames := e.Args[len(spec.Args):]
		for i := 0; i < len(frames); i++ {
			if i%4 == 0 {
				s.WriteString("\n\t")
			} else {
				s.WriteString(" ")
			}
			s.WriteString(frameFields[i%4])
			s.WriteString("=")
			s.WriteString(strconv.FormatUint(frames[i], 10))
		}
	}
	if e.Data != nil {
		s.WriteString("\n\tdata=")

	// - Keep a ring buffer of the last N logical frames and use this to print
	//   the bottom frames once we reach the end of the stack. This works, but
	//   requires keeping a surprising amount of state on the stack, and we have
	//   to run the cgo symbolizer twice—once to count frames, and a second to
	//   print them—since we can't retain the strings it returns.
	//
	// Instead, we print the outer frames, and if we reach that limit, we clone

    opcode = b0 and B0_MASK_OPCODE
    isFinalFrame = b0 and B0_FLAG_FIN != 0
    isControlFrame = b0 and OPCODE_FLAG_CONTROL != 0

    // Control frames must be final frames (cannot contain continuations).
    if (isControlFrame && !isFinalFrame) {
      throw ProtocolException("Control frames must be final.")
    }

    val reservedFlag1 = b0 and B0_FLAG_RSV1 != 0
    when (opcode) {
      OPCODE_TEXT, OPCODE_BINARY -> {

// avoids loading R0-R4 twice and uses LDP and STP.
//
// See https://golang.org/issues/43145 for the main compiler issue.
//
// func carryPropagate(v *Element)
TEXT ·carryPropagate(SB),NOFRAME|NOSPLIT,$0-8
	MOVD v+0(FP), R20

	LDP 0(R20), (R0, R1)
	LDP 16(R20), (R2, R3)
	MOVD 32(R20), R4

	AND $0x7ffffffffffff, R0, R10
	AND $0x7ffffffffffff, R1, R11
	AND $0x7ffffffffffff, R2, R12

	var frames []string
	if !w.encodingRelocHeader && w.p.syncFrames > 0 {
		pcs := make([]uintptr, w.p.syncFrames)
		n := runtime.Callers(2, pcs)
		frames = fmtFrames(pcs[:n]...)
	}

	// TODO(mdempsky): Save space by writing out stack frames as a
	// linked list so we can share common stack frames.
	w.rawUvarint(uint64(m))
	w.rawUvarint(uint64(len(frames)))
	for _, frame := range frames {

// func crosscall2(fn, a unsafe.Pointer, n int32, ctxt uintptr)
// Saves C callee-saved registers and calls cgocallback with three arguments.
// fn is the PC of a func(a unsafe.Pointer) function.
TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0
	/*
	 * We still need to save all callee save register as before, and then
	 * push 3 args for fn (R4, R5, R7), skipping R6.
	 * Also note that at procedure entry in gc world, 8(R29) will be the
	 *  first arg.
	 */

	uintptr_t* buf;
	uintptr_t  max;
};

// pprofCgoTraceback is passed to runtime.SetCgoTraceback.
// For testing purposes it pretends that all CPU hits in C code are in cpuHog.
// Issue #29034: At least 2 frames are required to verify all frames are captured
// since runtime/pprof ignores the runtime.goexit base frame if it exists.
void pprofCgoTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);

	JMP	cmpbody<>(SB)

// On entry:
// R1 length of a
// R2 length of b
// R3 points to the start of a
// R4 points to the start of b
// R9 points to the return value (-1/0/1)
TEXT cmpbody<>(SB),NOSPLIT|NOFRAME,$0
	BEQ	R3, R4, samebytes // same start of a and b

	SGTU	R1, R2, R7
	BNE	R0, R7, r2_lt_r1
	MOVV	R1, R10
	JMP	entry
r2_lt_r1:
	MOVV	R2, R10	// R10 is min(R1, R2)
entry:

//go:build ppc64 || ppc64le

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

TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
	// R3 = byte array pointer
	// R4 = length
	MOVD	R6, R5		// R5 = byte
	BR	indexbytebody<>(SB)

TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-32
	// R3 = string
	// R4 = length
	// R5 = byte
	BR	indexbytebody<>(SB)

#ifndef GOPPC64_power9
#ifdef GOARCH_ppc64le