Messages in this thread | | | Subject | Re: [kbuild-all] Re: drivers/mtd/tests/subpagetest.c:426:1: error: could not split insn | From | Rong Chen <> | Date | Wed, 16 Dec 2020 15:19:25 +0800 |
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On 12/15/20 11:40 PM, Willy Tarreau wrote: > Hi, > > On Tue, Dec 15, 2020 at 11:05:28PM +0800, kernel test robot wrote: >> Hi Willy, >> >> FYI, the error/warning still remains. >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> head: 148842c98a24e508aecb929718818fbf4c2a6ff3 >> commit: 3744741adab6d9195551ce30e65e726c7a408421 random32: add noise from network and scheduling activity > (...) > > not sure why I'm assigned this, but the root cause is a compiler bug: >> drivers/mtd/tests/subpagetest.c: In function 'mtd_subpagetest_init': >>>> drivers/mtd/tests/subpagetest.c:426:1: error: could not split insn >> 426 | } >> | ^ >> (insn:TI 453 2652 455 (set (reg/v:SI 3 a3 [orig:304 a ] [304]) >> (xor:SI (reg:SI 1 a1 [orig:717 net_rand_noise ] [717]) >> (const:SI (plus:SI (symbol_ref:SI ("*.LANCHOR0") [flags 0x182]) >> (const_int 12 [0xc]))))) "include/linux/prandom.h":66:4 152 {cskyv2_xorsi3} >> (expr_list:REG_DEAD (reg:SI 1 a1 [orig:717 net_rand_noise ] [717]) >> (nil))) >> during RTL pass: final >> drivers/mtd/tests/subpagetest.c:426:1: internal compiler error: in final_scan_insn_1, at final.c:3074 > ^^^^^^^^^^^^^^^^^^^^^^^ > >> 0x510da0 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/rtl-error.c:108 >> 0x503d22 final_scan_insn_1 >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/final.c:3074 >> 0x73f8bf final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/final.c:3153 >> 0x73fbac final_1 >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/final.c:2021 >> 0x740618 rest_of_handle_final >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/final.c:4659 >> 0x740618 execute >> /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/final.c:4737 >> Please submit a full bug report, >> with preprocessed source if appropriate. >> Please include the complete backtrace with any bug report. >> See <https://gcc.gnu.org/bugs/> for instructions. > ^^^^^^^^^^^^^^^^^^^^^^^^^ > > That's totally out of my scope. I suspect it might have broken a bisect > operation.
Hi Willy,
Thanks for the feedback, I have created a issue in GCC Bugzilla: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98310
Best Regards, Rong Chen
> > Regards, > Willy > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org
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