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Merge from 3.5 (#24543).

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Stefan Krah 2015-07-02 20:28:45 +02:00
commit 0c8ccff325
2 changed files with 12 additions and 9 deletions
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6
configure.ac
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@ -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));