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builtins.c (expand_builtin_strlen): Revert last change.

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* builtins.c (expand_builtin_strlen): Revert last change.
        Use emit_insn_before if we're at the beginning of a sequence.

From-SVN: r32476
This commit is contained in:
Richard Henderson 2000-03-10 16:30:06 -08:00 committed by Richard Henderson
parent cf74fb8675
commit fca9f64228
2 changed files with 10 additions and 3 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-03-10 Richard Henderson <rth@cygnus.com>
* builtins.c (expand_builtin_strlen): Revert last change.
Use emit_insn_before if we're at the beginning of a sequence.
2000-03-10 Jason Merrill <jason@casey.cygnus.com>
* builtins.c (expand_builtin_strlen): Make sure that we have something

6
gcc/builtins.c
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@ -1381,8 +1381,6 @@ expand_builtin_strlen (exp, target, mode)
/* Mark the beginning of the strlen sequence so we can emit the
source operand later. */
before_strlen = get_last_insn();
if (before_strlen == NULL_RTX)
before_strlen = emit_note (0, NOTE_INSN_DELETED);
/* Check the string is readable and has an end. */
if (current_function_check_memory_usage)
@ -1409,7 +1407,11 @@ expand_builtin_strlen (exp, target, mode)
emit_move_insn (src_reg, pat);
pat = gen_sequence ();
end_sequence ();
if (before_strlen)
emit_insn_after (pat, before_strlen);
else
emit_insn_before (pat, get_insns ());
/* Return the value in the proper mode for this function. */
if (GET_MODE (result) == value_mode)