package main

/*
#cgo CFLAGS: -Os

int foo_fpr() {
        asm volatile("":::"fr31","fr30","fr29","fr28");
}
int foo_gpr0() {
        asm volatile("":::"r30","r29","r28");
}
int foo_gpr1() {
        asm volatile("":::"fr31", "fr30","fr29","fr28","r30","r29","r28");
}
int foo_vr() {
        asm volatile("":::"v31","v30","v29","v28");
}
*/
import "C"

import "fmt"

func main() {
	C.foo_fpr()

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

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

TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0
	MOVD R30, -496(RSP)
	SUB $496, RSP
	MOVD R29, -8(RSP)
	SUB $8, RSP, R29
	#ifdef GOOS_ios
	MOVD R30, (RSP)
	#endif
	STP (R0, R1), 8(RSP)
	STP (R2, R3), 24(RSP)
	STP (R4, R5), 40(RSP)
	STP (R6, R7), 56(RSP)
	STP (R8, R9), 72(RSP)
	STP (R10, R11), 88(RSP)
	STP (R12, R13), 104(RSP)

	// will clobber the test pattern created by the caller
	ADDU	$(1024*8), R29

	// Ask signaller to setgid
	MOVW	$1, R1
	SYNC
	MOVW	R1, ·Baton(SB)
	SYNC

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R1
	OR	R2, R2, R2	// hint that we're in a spin loop
	BNE	R1, loop
	SYNC

	// Restore stack
	ADDU	$(-1024*8), R29

TEXT ·Syscall6(SB),NOSPLIT,$20-40
	MOVW	num+0(FP), R2	// syscall entry
	MOVW	a1+4(FP), R4
	MOVW	a2+8(FP), R5
	MOVW	a3+12(FP), R6
	MOVW	a4+16(FP), R7
	MOVW	a5+20(FP), R8
	MOVW	a6+24(FP), R9
	MOVW	R8, 16(R29)
	MOVW	R9, 20(R29)
	MOVW	R0, R3	// reset R3 to 0 as 1-ret SYSCALL keeps it
	SYSCALL
	BEQ	R7, ok
	MOVW	$-1, R1
	MOVW	R1, r1+28(FP)
	MOVW	R0, r2+32(FP)
	MOVW	R2, errno+36(FP)
	RET
ok:
	MOVW	R2, r1+28(FP)

	// argv as argc string pointers followed by a NULL, envv as a
	// sequence of string pointers followed by a NULL, and auxv.
	// There is no TLS base pointer.
	MOVW	0(R29), R4 // argc
	ADD	$4, R29, R5 // argv
	JMP	main(SB)

TEXT main(SB),NOSPLIT|NOFRAME,$0
	// In external linking, libc jumps to main with argc in R4, argv in R5
	MOVW	$runtime·rt0_go(SB), R1

	// sequence of string pointers followed by a NULL, and auxv.
	// There is no TLS base pointer.
#ifdef GOARCH_mips64
	MOVW	4(R29), R4 // argc, big-endian ABI places int32 at offset 4
#else
	MOVW	0(R29), R4 // argc
#endif
	ADDV	$8, R29, R5 // argv
	JMP	main(SB)

TEXT main(SB),NOSPLIT|NOFRAME,$0
	// in external linking, glibc jumps to main with argc in R4
	// and argv in R5

	MOVV	a+0(FP), R1
	MOVV	b+8(FP), R2
	BEQ	R1, R2, eq
	MOVV	8(REGCTXT), R3    // compiler stores size at offset 8 in the closure
	MOVV	R1, 8(R29)
	MOVV	R2, 16(R29)
	MOVV	R3, 24(R29)
	JAL	runtime·memequal(SB)
	MOVBU	32(R29), R1
	MOVB	R1, ret+16(FP)
	RET
eq:
	MOVV	$1, R1
	MOVB	R1, ret+16(FP)

	// will clobber the test pattern created by the caller
	ADDV	$(1024*8), R29

	// Ask signaller to setgid
	MOVW	$1, R1
	SYNC
	MOVW	R1, ·Baton(SB)
	SYNC

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R1
	OR	R2, R2, R2	// hint that we're in a spin loop
	BNE	R1, loop
	SYNC

	// Restore stack
	ADDV	$(-1024*8), R29

	print("r24     ", hex(c.r24()), "\n")
	print("r25     ", hex(c.r25()), "\n")
	print("r26     ", hex(c.r26()), "\n")
	print("r27     ", hex(c.r27()), "\n")
	print("r28     ", hex(c.r28()), "\n")
	print("r29     ", hex(c.r29()), "\n")
	print("lr      ", hex(c.lr()), "\n")
	print("sp      ", hex(c.sp()), "\n")
	print("pc      ", hex(c.pc()), "\n")
	print("fault   ", hex(c.fault()), "\n")
}

//go:nosplit
//go:nowritebarrierrec

 */
.globl crosscall1
crosscall1:
	addi.d	$r3, $r3, -160
	st.d	$r1, $r3, 0
	st.d	$r23, $r3, 8
	st.d	$r24, $r3, 16
	st.d	$r25, $r3, 24
	st.d	$r26, $r3, 32
	st.d	$r27, $r3, 40
	st.d	$r28, $r3, 48
	st.d	$r29, $r3, 56
	st.d	$r30, $r3, 64
	st.d	$r2, $r3, 72
	st.d	$r22, $r3, 80
	fst.d	$f24, $r3, 88
	fst.d	$f25, $r3, 96
	fst.d	$f26, $r3, 104
	fst.d	$f27, $r3, 112
	fst.d	$f28, $r3, 120
	fst.d	$f29, $r3, 128