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re PR bootstrap/43299 (Subversion id 157264 breaks powerpc 64-bit bootstraps) 

PR debug/43299
	* dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.

From-SVN: r157317
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Jakub Jelinek 2010-03-09 19:54:25 +01:00 committed by Jakub Jelinek
parent 69b89883e8
commit eb1fcdaa11
2 changed files with 19 additions and 0 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
2010-03-09 Jakub Jelinek <jakub@redhat.com>
PR debug/43299
* dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
PR debug/43299
* var-tracking.c (adjust_sets): New function.
(count_with_sets, add_with_sets): Use it.

16
gcc/dwarf2out.c
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@ -12826,6 +12826,22 @@ const_ok_for_output_1 (rtx *rtlp, void *data ATTRIBUTE_UNUSED)
{
rtx rtl = *rtlp;
if (GET_CODE (rtl) == UNSPEC)
{
/* If delegitimize_address couldn't do anything with the UNSPEC, assume
we can't express it in the debug info. */
#ifdef ENABLE_CHECKING
inform (current_function_decl
? DECL_SOURCE_LOCATION (current_function_decl)
: UNKNOWN_LOCATION,
"non-delegitimized UNSPEC %d found in variable location",
XINT (rtl, 1));
#endif
expansion_failed (NULL_TREE, rtl,
"UNSPEC hasn't been delegitimized.\n");
return 1;
}
if (GET_CODE (rtl) != SYMBOL_REF)
return 0;