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Re: [PATCH][Middle-end]patch for fixing PR 86519


On 08/17/2018 09:43 PM, Paul Hua wrote:
> Hi Qing:
> 
>>
>> the change has been committed as:
>> https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=263563 <https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=263563>
>>
>> Qing
>>
> 
> The strcmpopt_6.c test still fails on mips64el target.
> 
> gcc.dg/strcmpopt_6.c: memcmp found 4 times
> FAIL: gcc.dg/strcmpopt_6.c scan-assembler-times memcmp 2
> 
> 
> The mips asm output have ".reloc" info.
> 
> -------------------------------------------------------------------------
>         ld      $5,%got_page(.LC0)($28)
>         ld      $25,%call16(memcmp)($28)
>         li      $6,3                    # 0x3
>         sd      $31,8($sp)
>         .reloc  1f,R_MIPS_JALR,memcmp
> 1:      jalr    $25
>         daddiu  $5,$5,%got_ofst(.LC0)
> ----------------------------------------------------------------------------
> 
> scan-assembler find "4" times.
Ugh.  :(  There's probably other targets that are going to have similar
properties.  I'm not really sure how to write a suitable assembler test
for this.

Maybe we just need a different search result for MIPS (and potentially
other targets).

jeff


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