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cse.c (delete_trivially_dead_insns): Do not delete stores to the internal_arg_pointer.

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* cse.c (delete_trivially_dead_insns): Do not delete stores to
        the internal_arg_pointer.

From-SVN: r29017
This commit is contained in:
Jeffrey A Law 1999-08-31 22:48:58 +00:00 committed by Jeff Law
parent ede7cd4499
commit 61c48fbf26
2 changed files with 12 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
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:

8
gcc/cse.c
View File

@ -9191,7 +9191,13 @@ delete_trivially_dead_insns (insns, nreg)
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)