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Diffstat (limited to 'runtime/powerpc/ppc64/i64_dtou.s')
-rw-r--r-- | runtime/powerpc/ppc64/i64_dtou.s | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/runtime/powerpc/ppc64/i64_dtou.s b/runtime/powerpc/ppc64/i64_dtou.s deleted file mode 100644 index 60d5c9bf..00000000 --- a/runtime/powerpc/ppc64/i64_dtou.s +++ /dev/null @@ -1,66 +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 64 version. - - .text - -### Conversion from double float to unsigned long - - .balign 16 - .globl __i64_dtou -__i64_dtou: - lis r0, 0x5f00 # 0x5f00_0000 = 2^63 in binary32 format - stwu r0, -16(r1) - lfs f2, 0(r1) # f2 = 2^63 - fcmpu cr0, f1, f2 # crbit 0 is f1 < f2 - bf 0, 1f # branch if f1 >= 2^63 (or f1 is NaN) - fctidz f1, f1 # convert as signed - stfd f1, 0(r1) - lwz r3, 0(r1) - lwz r4, 4(r1) - addi r1, r1, 16 - blr -1: fsub f1, f1, f2 # shift argument down by 2^63 - fctidz f1, f1 # convert as signed - stfd f1, 0(r1) - lwz r3, 0(r1) - lwz r4, 4(r1) - addis r3, r3, 0x8000 # shift result up by 2^63 - addi r1, r1, 16 - blr - .type __i64_dtou, @function - .size __i64_dtou, .-__i64_dtou - - |