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-# --------------------------------------------
-# FUNCTION: sorter
-# PURPOSE : Sorts array A, with references to arrays A_i, based on the given
-# key in A_i, address and size of A, and an address of a sorting algorithm to be
-# used
-# INPUTS : rdi = address for A
-# rsi = length of A in 64 bit chunks
-# rdx = index of key to sort by
-# rcx = address of sorting algorithm
-# OUTPUTS : rax = address for sorted A
-# CLOBBERS: none
-# NOTES : Preserves all registers
-# --------------------------------------------
-.section .text
-.globl sorter
-.type sorter, @function
-sorter:
- # Save registers
- push %rbx
- push %rbp
- push %r12
- push %r13
- push %r14
- push %r15
-
- # rdi is the addres of a
- # rsi is the length of a
- # rdx is the index of the key
- call *%rcx # Sort the array (* is indirect call)
-
- # Restore registers
- pop %r15
- pop %r14
- pop %r13
- pop %r12
- pop %rbp
- pop %rbx
-
- ret