[PATCH] Add PR55430 testcase (PR middle-end/55430)

[Vladimir Makarov]

On 12-11-23 9:44 AM, Jakub Jelinek wrote:
> Hi!
>
> On Thu, Nov 22, 2012 at 08:29:36PM -0500, Vladimir Makarov wrote:
>>    The following patch fixes
>>
>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55430
>>
>>    The patch was successfully bootstrapped and tested on x86/x86-64.
>>
>>    Committed as rev. 193742.
>>
>> 2012-11-22  Vladimir Makarov  <vmakarov@redhat.com>
>>
>>          PR middle-end/55430
>>          * lra.c: Move #include "hard-reg-set.h" before #include "rtl.h".
>>          (new_insn_reg): Update biggest_mode.
>>          (collect_non_operand_hard_regs): Check eliminable regs too.
>>          (initialize_lra_reg_info_element): Initialize biggest_mode.
>>          (add_regs_to_insn_regno_info): Ignore non-allocatable
>>          non-eliminable hard regs.
>>          (lra.c): Move setting lra_no_alloc_regs before
>>          init_insn_recog_data.
>>          * lra-constraints.c (simplify_operand_subreg): Add a comment.
>>          (lra_constraints): Ignore equivalent memory of
>>          regs occuring in paradoxical subregs.
>>          * lra-lives.c (lra_create_live_ranges): Add a comment.
> You haven't committed a testcase for this.  I've adjusted my testcase
> to match what e.g. gcc.dg/20030711-1.c testcase does (to make sure it
> will work even on weirdo effective target mmap targets).  Ok for trunk?
Sure, Jakub.  You  are more experienced in adding tests than me.