OpenCores
URL https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk

Subversion Repositories open8_urisc

[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [config/] [dfp.m4] - Blame information for rev 83

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 26 khays
dnl @synopsis GCC_AC_ENABLE_DECIMAL_FLOAT([target triplet])
2
dnl
3
dnl Enable C extension for decimal float if target supports it.
4
dnl
5
dnl @author Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6
 
7
AC_DEFUN([GCC_AC_ENABLE_DECIMAL_FLOAT],
8
[
9
AC_ARG_ENABLE(decimal-float,
10
[  --enable-decimal-float={no,yes,bid,dpd}
11
                        enable decimal float extension to C.  Selecting 'bid'
12
                        or 'dpd' choses which decimal floating point format
13
                        to use],
14
[
15
  case $enable_decimal_float in
16
    yes | no | bid | dpd) default_decimal_float=$enable_decimal_float ;;
17
    *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
18
Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
19
  esac
20
],
21
[
22
  case $1 in
23
    powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
24
    i?86*-*-mingw* | x86_64*-*-mingw* | \
25
    i?86*-*-cygwin*)
26
      enable_decimal_float=yes
27
      ;;
28
    *)
29
      AC_MSG_WARN([decimal float is not supported for this target, ignored])
30
      enable_decimal_float=no
31
      ;;
32
  esac
33
])
34
 
35
# x86's use BID format instead of DPD
36
case x$enable_decimal_float in
37
  xyes)
38
    case $1 in
39
      i?86*-*-* | x86_64*-*-*)
40
        enable_decimal_float=bid
41
        ;;
42
      *)
43
        enable_decimal_float=dpd
44
        ;;
45
    esac
46
    default_decimal_float=$enable_decimal_float
47
    ;;
48
  xno)
49
    # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
50
    # dependency on libdecnumber.
51
    default_decimal_float=dpd
52
    ;;
53
esac
54
AC_SUBST(enable_decimal_float)
55
 
56
])

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.