[PATCH v2 0/5] Some MIPS changes and testsuite fixes

[YunQiang Su]

Alan Modra <amodra@gmail.com> 于2023年5月17日周三 07:23写道：
>
> On Tue, May 16, 2023 at 10:54:21AM +0800, YunQiang Su wrote:
> > Run testsuite with targets:
> >         mipsisa32-linux-gnu mipsisa32r2-linux-gnu mips-linux-gnu
> >         mipsisa32el-linux-gnu mipsisa32r2el-linux-gnu mipsel-linux-gnu
> >         mipsisa32r6-linux-gnu mipsisa32r6el-linux-gnu
> >         mips-img-linux-gnu mipsel-img-linux-gnu
> >         mips-img-elf mipsel-img-elf
> >         mips-mti-elf mipsel-mti-elf
> >         mips64-linux-gnu mips64el-linux-gnu
> >         mipsisa64-linux-gnu mipsisa64el-linux-gnu
> >         mipsisa64r2-linux-gnu mipsisa64r2el-linux-gnu
> >         mipsisa64r6-linux-gnu mipsisa64r6el-linux-gnu
> >         mips64el-linux-gnuabi64 mips64-linux-gnuabi64
> >         mipsisa64-linux-gnuabi64 mipsisa64el-linux-gnuabi64
> >         mipsisa64r2el-linux-gnuabi64 mipsisa64r2-linux-gnuabi64
> >         mipsisa64r6el-linux-gnuabi64 mipsisa64r6-linux-gnuabi64
>
> I applied your patchset and ran my usual regression tests over some
> 165 different binutils targets.  mipsisa32r2el-elf, mips-sgi-irix6,
> and mipstx39-elf show some new failures.  This doesn't mean I
> disapprove the patch, in fact I like it!  Please don't think you must
> post another version of the patchset to fix these problems.  It might
> be better to solve them with an incremental patch, giving the mips
> maintainers a chance to review this patchset first.
>

If there is no objection, I will commit this patchset and go on to solve
the problem Alan pointed out.

> Most of the mipsisa32r2el-elf fails are like this:
> failed with: <Assembler messages:
> Fatal error: selected target format 'elf32-nlittlemips' unknown>
> FAIL: MIPS RM7000 workarounds test 2 (micromips)
>
> Similarly, mipstx39-elf fails with
> Fatal error: selected target format 'elf32-nbigmips' unknown
>
> This one (one of the two mips-sgi-irix6 fails I saw) also appear with
> mipsisa32r2el-elf and mips-sgi-irix6:
> mips-sgi-irix6  +FAIL: MIPS ELF o32 PIC comdat GOT16/LO16 relocation pairing
>
> regexp_diff match failure
> regexp "^0000000c  0000070a R_MIPS_PC16       00000020   \.L1\^B1$"
> line   "0000000c  00000d0a R_MIPS_PC16       00000020   .L1^B1"
> regexp_diff match failure
> regexp "^00000020  0000080a R_MIPS_PC16       00000018   \.L0\^B1$"
> line   "00000020  00000e0a R_MIPS_PC16       00000018   .L0^B1"
> FAIL: MIPS ELF o32 PIC comdat GOT16/LO16 relocation pairing
>
> So that one is caused by different symbol table ordering.
>
> --
> Alan Modra
> Australia Development Lab, IBM