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[Bug target/63965] [5 Regression] ICE: in extract_constrain_insn, at recog.c:2230 on ppc64
- From: "meissner at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 20 Nov 2014 21:51:39 +0000
- Subject: [Bug target/63965] [5 Regression] ICE: in extract_constrain_insn, at recog.c:2230 on ppc64
- Auto-submitted: auto-generated
- References: <bug-63965-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63965
--- Comment #4 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 34060
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34060&action=edit
Patch to provide loading 'easy' altivec constants into GPR registers
Some vector constants can be made easily with the vector load and splat
immediate instructions and loaded into the Altivec registers. If we are
loading into GPR registers, this patch adds an alternative to load up the
values using arithmetic operations.