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[LRA] Relax one gcc_assert in lra-eliminate for fixed register 

gcc/
    * lra-eliminations.c (update_reg_eliminate): Relax gcc_assert for fixed
    registers.

From-SVN: r217691
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Jiong Wang 2014-11-18 09:30:08 +00:00 committed by Jiong Wang
parent 9ca0032c91
commit ddcfa953fc
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-11-18 Jiong Wang <jiong.wang@arm.com>
* lra-eliminations.c (update_reg_eliminate): Relax gcc_assert for fixed
registers.
2014-11-18 Marat Zakirov <m.zakirov@samsung.com>
* opts.c (finish_options): Disable aggressive opts for sanitizer.

4
gcc/lra-eliminations.c
View File

@ -1199,7 +1199,9 @@ update_reg_eliminate (bitmap insns_with_changed_offsets)
ep->from, ep->to);
/* If after processing RTL we decides that SP can be used as
a result of elimination, it can not be changed. */
gcc_assert (ep->to_rtx != stack_pointer_rtx);
gcc_assert ((ep->to_rtx != stack_pointer_rtx)
|| (ep->from < FIRST_PSEUDO_REGISTER
&& fixed_regs [ep->from]));
/* Mark that is not eliminable anymore. */
elimination_map[ep->from] = NULL;
for (ep1 = ep + 1; ep1 < &reg_eliminate[NUM_ELIMINABLE_REGS]; ep1++)