[Bug target/83915] New: [8 regression] FAIL: gcc.target/aarch64/sve/extract_1.c -march=armv8.2-a+sve (internal compiler error)

nsz at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Jan 17 15:34:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83915

            Bug ID: 83915
           Summary: [8 regression] FAIL:
                    gcc.target/aarch64/sve/extract_1.c
                    -march=armv8.2-a+sve (internal compiler error)
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: nsz at gcc dot gnu.org
  Target Milestone: ---

on aarch64_be-none-elf i see

FAIL: gcc.target/aarch64/sve/extract_1.c -march=armv8.2-a+sve (internal
compiler error)
FAIL: gcc.target/aarch64/sve/extract_1.c -march=armv8.2-a+sve (test for excess
errors)
FAIL: gcc.target/aarch64/sve/extract_2.c -march=armv8.2-a+sve (internal
compiler error)
FAIL: gcc.target/aarch64/sve/extract_2.c -march=armv8.2-a+sve (test for excess
errors)
FAIL: gcc.target/aarch64/sve/extract_3.c -march=armv8.2-a+sve (internal
compiler error)
FAIL: gcc.target/aarch64/sve/extract_3.c -march=armv8.2-a+sve (test for excess
errors)
FAIL: gcc.target/aarch64/sve/extract_4.c -march=armv8.2-a+sve (internal
compiler error)
FAIL: gcc.target/aarch64/sve/extract_4.c -march=armv8.2-a+sve (test for excess
errors)

since the initial commit of these tests in r256614

spawn -ignore SIGHUP /B/gcc/xgcc -B/B/gcc/ -fno-diagnostics-show-caret
-fdiagnostics-color=never -march=armv8.2-a+sve -O -msve-vector-bits=256
--save-temps -ffat-lto-objects -c -o extract_1.o
/S/gcc/testsuite/gcc.target/aarch64/sve/extract_1.c
during RTL pass: final
/S/gcc/testsuite/gcc.target/aarch64/sve/extract_1.c: In function
'permute_vnx2di_0':
/S/gcc/testsuite/gcc.target/aarch64/sve/extract_1.c:57:1: internal compiler
error: in gen_reg_rtx, at emit-rtl.c:1155
0x8892f3 gen_reg_rtx(machine_mode)
        /S/gcc/emit-rtl.c:1155
0x8a71eb copy_to_reg(rtx_def*)
        /S/gcc/explow.c:595
0xc0bfbb gen_lowpart_general(machine_mode, rtx_def*)
        /S/gcc/rtlhooks.c:56
0x12efd7b output_3526
        /S/gcc/config/aarch64/aarch64-sve.md:498
0x8e7da7 get_insn_template(int, rtx_def*)
        /S/gcc/final.c:2097
0x8eaa27 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        /S/gcc/final.c:3029
0x8eb3df final(rtx_insn*, _IO_FILE*, int)
        /S/gcc/final.c:2065
0x8eba43 rest_of_handle_final
        /S/gcc/final.c:4551
0x8eba43 execute
        /S/gcc/final.c:4625
Please submit a full bug report,


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