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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/except.c8
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1dbc93a..b01e4ea 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
+
+ * except.c (emit_eh_context): Make the EH context register stay alive
+ at -O0 so stupid.c doesn't get confused.
+
1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* emit-rtl.c (try_split): Do not try to split a BARRIER.
diff --git a/gcc/except.c b/gcc/except.c
index 867b4a5..d07d6bf 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -2094,6 +2094,14 @@ emit_eh_context ()
end_sequence ();
emit_insns_before (insns, insn);
+
+ /* At -O0, we must make the context register stay alive so
+ that the stupid.c register allocator doesn't get confused. */
+ if (obey_regdecls != 0)
+ {
+ insns = gen_rtx_USE (GET_MODE (XEXP (reg,0)), XEXP (reg,0));
+ emit_insn_before (insns, get_last_insn ());
+ }
}
}
}