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Re: RFA: cache enabled attribute by insn code

On Tue, May 27, 2014 at 2:12 PM, Christophe Lyon
<> wrote:
> Hi,
> Commits 210964 and 210965 for this patch have broken GCC build on arm* targets.
> For instance on target arm-none-linux-gnueabi, when creating
> unwind-arm.o, I can see:
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/lra.c:1362
> 0x8e3bcd process_insn_for_elimination
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/lra-eliminations.c:1344
> 0x8e3bcd lra_eliminate(bool, bool)
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/lra-eliminations.c:1408
> 0x8dd753 lra_constraints(bool)
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/lra-constraints.c:4049
> 0x8cdc1a lra(_IO_FILE*)
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/lra.c:2332
> 0x8911f8 do_reload
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/ira.c:5444
> 0x891508 execute
>         /tmp/5673443_3.tmpdir/aci-gcc-fsf/sources/gcc-fsf/trunk/gcc/ira.c:5605
> Please submit a full bug report,

Can you file a proper bug report with a pre-processed file -
information about configury options etc. to show what the issue is.


> On 23 May 2014 20:19, Jeff Law <> wrote:
>> On 05/20/14 15:36, Richard Sandiford wrote:
>>>> This is OK for the trunk (referring to the follow-up message which fixed
>>> Sorry, while working on the follow-up LRA patch, I realised I hadn't
>>> accounted for target changes that happen directly via target_reinit
>>> (rather than SWITCHABLE_TARGETS) and cases where reinit_regs is called
>>> to change just the register information.  Both could potentially affect
>>> the enabled attribute.
>>> This version adds a recog_init function that clears the data if necessary.
>>> There are no other changes from first time.  Is this still OK?
>> Thanks for letting me know, that's a minor twiddle -- the patch is still OK.
>> Jeff

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