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re PR bootstrap/43596 (Failed to boostrap)

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PR bootstrap/43596
	* cselib.c (cselib_process_insn): Clear cselib_current_insn
	even before returning from label, setjmp call or volatile asm
	handling.

From-SVN: r157869
This commit is contained in:
Jakub Jelinek 2010-03-31 17:26:57 +02:00 committed by Jakub Jelinek
parent 33283dadd3
commit 2080bd297e
2 changed files with 10 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2010-03-31 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/43596
* cselib.c (cselib_process_insn): Clear cselib_current_insn
even before returning from label, setjmp call or volatile asm
handling.
2010-03-31 Richard Guenther <rguenther@suse.de> 2010-03-31 Richard Guenther <rguenther@suse.de>
PR middle-end/43600 PR middle-end/43600

5
gcc/cselib.c
View File

@ -2155,12 +2155,13 @@ cselib_process_insn (rtx insn)
&& MEM_VOLATILE_P (PATTERN (insn)))) && MEM_VOLATILE_P (PATTERN (insn))))
{ {
cselib_reset_table (next_uid); cselib_reset_table (next_uid);
cselib_current_insn = NULL_RTX;
return; return;
} }
if (! INSN_P (insn)) if (! INSN_P (insn))
{ {
cselib_current_insn = 0; cselib_current_insn = NULL_RTX;
return; return;
} }
@ -2202,7 +2203,7 @@ cselib_process_insn (rtx insn)
if (GET_CODE (XEXP (x, 0)) == CLOBBER) if (GET_CODE (XEXP (x, 0)) == CLOBBER)
cselib_invalidate_rtx (XEXP (XEXP (x, 0), 0)); cselib_invalidate_rtx (XEXP (XEXP (x, 0), 0));
cselib_current_insn = 0; cselib_current_insn = NULL_RTX;
if (n_useless_values > MAX_USELESS_VALUES if (n_useless_values > MAX_USELESS_VALUES
/* remove_useless_values is linear in the hash table size. Avoid /* remove_useless_values is linear in the hash table size. Avoid