Translate the LEGv8 procedure to C.

swap:

SUBI SP, SP, #48 STUR X19, [SP, #40] STUR X20, [SP, #32] STUR X22, [SP, #24] STUR X23, [SP, #16] STUR X24, [SP, #8] STUR X25, [SP, #0]

LSL X19, X1, #3 LSL X20, X2, #3

ADD X22, X19, X0 ADD X23, X20, X0

LDUR X24, [X22, #0] LDUR X25, [X23, #0]

STUR X24, [X23, #0] STUR X25, [X22, #0]

LDUR X19, [SP, #40] LDUR X20, [SP, #32] LDUR X22, [SP, #24] LDUR X23, [SP, #16] LDUR X24, [SP, #8] LDUR X25, [SP, #0]

ADDI SP, SP, #48

BR LR