[Bug 772200] Re: Large immediate for neon vmov doesn't work correctly

Rolf Leggewie 772200 at bugs.launchpad.net
Wed Dec 3 08:55:05 UTC 2014


natty has seen the end of its life and is no longer receiving any
updates. Marking the natty task for this ticket as "Won't Fix".

** Changed in: binutils (Ubuntu Natty)
       Status: Confirmed => Won't Fix

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Title:
  Large immediate for neon vmov doesn't work correctly

Status in binutils:
  Fix Released
Status in Linaro Binutils:
  Fix Released
Status in binutils package in Ubuntu:
  Fix Released
Status in binutils source package in Natty:
  Won't Fix
Status in binutils source package in Oneiric:
  Fix Released

Bug description:
  ujkim at DO-ujkim04:~/work/toolchain-bug/as-2.21/neon-immediate-moves$ cat neon-large-immediate-moves.s 
  .cpu cortex-a9
  .fpu neon
  .text

  vmov.i64 d9,#0xffffffffffffffff

  ujkim at DO-ujkim04:~/work/toolchain-bug/as-2.21/neon-immediate-moves$
  arm-linux-gnueabi-as neon-large-immediate-moves.s

  ujkim at DO-ujkim04:~/work/toolchain-bug/as-2.21/neon-immediate-moves$
  arm-linux-gnueabi-objdump -d a.out

  a.out:     file format elf32-littlearm

  
  Disassembly of section .text:

  00000000 <.text>:
     0:	f2809e3f 	vmov.i64	d9, #0x00000000ffffffff

  ujkim at DO-ujkim04:~/work/toolchain-bug/as-2.21/neon-immediate-moves$ arm-linux-gnueabi-as --version
  GNU assembler (GNU Binutils for Ubuntu) 2.21.0.20110302
  Copyright 2011 Free Software Foundation, Inc.
  This program is free software; you may redistribute it under the terms of
  the GNU General Public License version 3 or later.
  This program has absolutely no warranty.
  This assembler was configured for a target of `arm-linux-gnueabi'.

  the immediate value should be 0xffffffffffffffff but the assembled
  result are ox00000000ffffffff

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