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[Bug rtl-optimization/55464] lra chooses alternatives with empty register classes
- From: "amylaar at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 25 Nov 2012 15:37:49 +0000
- Subject: [Bug rtl-optimization/55464] lra chooses alternatives with empty register classes
- Auto-submitted: auto-generated
- References: <bug-55464-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55464
--- Comment #4 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 2012-11-25 15:37:49 UTC ---
(In reply to comment #1)
> Created attachment 28770 [details]
> Synopsys Designware ARC port
Without the patch for the TARGET_ADJUST_INSN_LENGTH /
TARGET_INSN_LENGTH_PARAMETERS hooks, you neeed to change
the #if 0 in arc.c:7680 to #if 1