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ree.c (add_removable_extension): Use reg_overlap_mentioned_p rather than testing hard register #s. 

* ree.c (add_removable_extension): Use reg_overlap_mentioned_p
	rather than testing hard register #s.

From-SVN: r231719
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Jeff Law 2015-12-16 13:34:31 -07:00 committed by Jeff Law
parent 5563d5c09a
commit 60b5526fd6
2 changed files with 6 additions and 1 deletions
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@ -1,3 +1,8 @@
2015-12-16 Jeff Law <law@redhat.com>
* ree.c (add_removable_extension): Use reg_overlap_mentioned_p
rather than testing hard register #s.
2015-12-16 Nathan Sidwell <nathan@acm.org>
* config/nvptx/nvptx.h (OUTGOING_STATIC_CHAIN_REGNUM): Remove.

2
gcc/ree.c
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@ -1085,7 +1085,7 @@ add_removable_extension (const_rtx expr, rtx_insn *insn,
code in combine_reaching_defs will handle that case correctly. */
if ((HARD_REGNO_NREGS (REGNO (dest), mode)
!= HARD_REGNO_NREGS (REGNO (reg), GET_MODE (reg)))
&& REGNO (dest) == REGNO (reg))
&& reg_overlap_mentioned_p (dest, reg))
return;
/* Then add the candidate to the list and insert the reaching definitions