# *****************************************************************
#
#               The Compcert verified compiler
#
#           Xavier Leroy, INRIA Paris-Rocquencourt
#
# Copyright (c) 2013 Institut National de Recherche en Informatique et
#  en Automatique.
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# Helper functions for 64-bit integer arithmetic.  PowerPC version.

        .text

## Signed remainder	
	
        .balign 16
        .globl __i64_smod
__i64_smod:
        mflr r11                # save return address
        srawi r12, r3, 31       # save sign of result in r12 (sign of N)
        xor r4, r4, r12         # and take absolute value of N
        xor r3, r3, r12
        subfc r4, r12, r4
        subfe r3, r12, r3
        srawi r0, r5, 31        # take absolute value of D
        xor r6, r6, r0
        xor r5, r5, r0
        subfc r6, r0, r6
        subfe r5, r0, r5
        bl __i64_umod           # do unsigned division
        mtlr r11                # restore return address
        xor r4, r4, r12         # apply expected sign to remainder
        xor r3, r3, r12         # RES = R if r12 == 0, -R if r12 == -1
        subfc r4, r12, r4
        subfe r3, r12, r3
        blr
        .type __i64_smod, @function
        .size __i64_smod, .-__i64_smod