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Make ebx a call clobbered register.
author
Michael Meissner
<meissner@gcc.gnu.org>
Fri, 23 Sep 1994 20:11:00 +0000
(20:11 +0000)
committer
Michael Meissner
<meissner@gcc.gnu.org>
Fri, 23 Sep 1994 20:11:00 +0000
(20:11 +0000)
From-SVN: r8125
gcc/config/i386/lynx-ng.h
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diff --git
a/gcc/config/i386/lynx-ng.h
b/gcc/config/i386/lynx-ng.h
index
51977d0
..
cb96b44
100644
(file)
--- a/
gcc/config/i386/lynx-ng.h
+++ b/
gcc/config/i386/lynx-ng.h
@@
-28,3
+28,9
@@
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#undef LINK_SPEC
#define LINK_SPEC "-P1000 %{msystem-v:-V} %{mcoff:-k}"
+/* Apparently LynxOS clobbers ebx when you call into the OS. */
+
+#undef CALL_USED_REGISTERS
+#define CALL_USED_REGISTERS \
+/*ax,dx,cx,bx,si,di,bp,sp,st,st1,st2,st3,st4,st5,st6,st7,arg*/ \
+{ 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }