+Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (delete_trivially_dead_insns): Do not delete stores to
+ the internal_arg_pointer.
+
Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
Merge peephole2 from new_ia32_branch:
else if (GET_CODE (SET_DEST (PATTERN (insn))) != REG
|| REGNO (SET_DEST (PATTERN (insn))) < FIRST_PSEUDO_REGISTER
|| counts[REGNO (SET_DEST (PATTERN (insn)))] != 0
- || side_effects_p (SET_SRC (PATTERN (insn))))
+ || side_effects_p (SET_SRC (PATTERN (insn)))
+ /* An ADDRESSOF expression can turn into a use of the
+ internal arg pointer, so always consider the
+ internal arg pointer live. If it is truly dead,
+ flow will delete the initializing insn. */
+ || (SET_DEST (PATTERN (insn))
+ == current_function_internal_arg_pointer))
live_insn = 1;
}
else if (GET_CODE (PATTERN (insn)) == PARALLEL)