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Diffstat (limited to 'runtime/powerpc/i64_smod.s')
| -rw-r--r-- | runtime/powerpc/i64_smod.s | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/runtime/powerpc/i64_smod.s b/runtime/powerpc/i64_smod.s deleted file mode 100644 index 6b4e1f89..00000000 --- a/runtime/powerpc/i64_smod.s +++ /dev/null @@ -1,70 +0,0 @@ -# ***************************************************************** -# -# The Compcert verified compiler -# -# Xavier Leroy, INRIA Paris-Rocquencourt -# -# Copyright (c) 2013 Institut National de Recherche en Informatique et -# en Automatique. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# * Neither the name of the <organization> nor the -# names of its contributors may be used to endorse or promote products -# derived from this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT -# HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# ********************************************************************* - -# Helper functions for 64-bit integer arithmetic. PowerPC version. - - .text - -## Signed remainder - - .balign 16 - .globl __compcert_i64_smod -__compcert_i64_smod: - mflr r0 - stw r0, 4(r1) # save return address in caller's frame - mtctr r3 # save sign of result in CTR (sign of N) - srawi r0, r3, 31 # take absolute value of N - xor r4, r4, r0 # (i.e. N = N ^ r0 - r0, - xor r3, r3, r0 # where r0 = 0 if N >= 0 and r0 = -1 if N < 0) - subfc r4, r0, r4 - subfe r3, r0, r3 - srawi r0, r5, 31 # take absolute value of D - xor r6, r6, r0 # (same trick) - xor r5, r5, r0 - subfc r6, r0, r6 - subfe r5, r0, r5 - bl __compcert_i64_udivmod # do unsigned division - lwz r0, 4(r1) - mtlr r0 # restore return address - mfctr r0 - srawi r0, r0, 31 # apply expected sign to remainder - xor r4, r4, r0 # RES = R if CTR >= 0, -Q if CTR < 0 - xor r3, r3, r0 - subfc r4, r0, r4 - subfe r3, r0, r3 - blr - .type __compcert_i64_smod, @function - .size __compcert_i64_smod, .-__compcert_i64_smod - -
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