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Merge from 3.5 (#24543).

This commit is contained in:
Stefan Krah 2015-07-02 20:28:45 +02:00
parent 60eaba04cd e31db2a821
commit 0c8ccff325
2 changed files with 12 additions and 9 deletions
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15
configure vendored
View File

@ -13397,12 +13397,13 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_c_try_link "$LINENO"; then :
have_gcc_asm_for_x64=yes
else
have_gcc_asm_for_x64=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_asm_for_x64" >&5
$as_echo "$have_gcc_asm_for_x64" >&6; }
if test "$have_gcc_asm_for_x64" = yes
@ -13573,12 +13574,13 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_c_try_link "$LINENO"; then :
have_gcc_asm_for_x87=yes
else
have_gcc_asm_for_x87=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_asm_for_x87" >&5
$as_echo "$have_gcc_asm_for_x87" >&6; }
if test "$have_gcc_asm_for_x87" = yes
@ -13605,12 +13607,13 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_c_try_link "$LINENO"; then :
have_gcc_asm_for_mc68881=yes
else
have_gcc_asm_for_mc68881=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_asm_for_mc68881" >&5
$as_echo "$have_gcc_asm_for_mc68881" >&6; }
if test "$have_gcc_asm_for_mc68881" = yes

6
configure.ac
View File

@ -3910,7 +3910,7 @@ fi],
# **************************************
AC_MSG_CHECKING(for x64 gcc inline assembler)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
__asm__ __volatile__ ("movq %rcx, %rax");
]])],[have_gcc_asm_for_x64=yes],[have_gcc_asm_for_x64=no])
AC_MSG_RESULT($have_gcc_asm_for_x64)
@ -4008,7 +4008,7 @@ fi
# so we try it on all platforms.
AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set x87 control word)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
unsigned short cw;
__asm__ __volatile__ ("fnstcw %0" : "=m" (cw));
__asm__ __volatile__ ("fldcw %0" : : "m" (cw));
@ -4021,7 +4021,7 @@ then
fi
AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set mc68881 fpcr)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
unsigned int fpcr;
__asm__ __volatile__ ("fmove.l %%fpcr,%0" : "=g" (fpcr));
__asm__ __volatile__ ("fmove.l %0,%%fpcr" : : "g" (fpcr));