[Bug target/85903] New: [9 Regression] FAIL: gcc.target/i386/avx512dq-vcvtuqq2pd-2.c

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85903

            Bug ID: 85903
           Summary: [9 Regression] FAIL:
                    gcc.target/i386/avx512dq-vcvtuqq2pd-2.c
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: ubizjak at gmail dot com
  Target Milestone: ---
            Target: i686-pc-linux-gnu

r260614 caused:

FAIL: gcc.target/i386/avx512dq-vcvtuqq2pd-2.c (internal compiler error)
FAIL: gcc.target/i386/avx512dq-vcvtuqq2pd-2.c (test for excess errors)
FAIL: gcc.target/i386/avx512vl-pr79299-1.c (internal compiler error)
FAIL: gcc.target/i386/avx512vl-pr79299-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512vl-vcvtuqq2pd-2.c (internal compiler error)
FAIL: gcc.target/i386/avx512vl-vcvtuqq2pd-2.c (test for excess errors)

with -m32 -march=slm

[hjl@gnu-cfl-1 gcc]$  /export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc/build-x86_64-linux/gcc/
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512dq-vcvtuqq2pd-2.c
-m32 -march=slm -fno-diagnostics-show-caret -fdiagnostics-color=never -O2
-mavx512dq -lm -o ./avx512dq-vcvtuqq2pd-2.exe
during RTL pass: split2
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512dq-vcvtuqq2pd-2.c:
In function \u2018test_512\u2019:
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512dq-vcvtuqq2pd-2.c:51:1:
internal compiler error: in gen_reg_rtx, at emit-rtl.c:1155
0xb01806 gen_reg_rtx(machine_mode)
        /export/gnu/import/git/sources/gcc/gcc/emit-rtl.c:1155
0x1862b1b gen_split_421(rtx_insn*, rtx_def**)
        /export/gnu/import/git/sources/gcc/gcc/config/i386/sse.md:1252
0x1abf2a9 split_insns(rtx_def*, rtx_insn*)
        /export/gnu/import/git/sources/gcc/gcc/config/i386/sse.md:1238
0xb08a7f try_split(rtx_def*, rtx_insn*, int)
        /export/gnu/import/git/sources/gcc/gcc/emit-rtl.c:3851
0xf07e90 split_insn
        /export/gnu/import/git/sources/gcc/gcc/recog.c:2892
0xf081af split_all_insns()
        /export/gnu/import/git/sources/gcc/gcc/recog.c:2996
0xf0a0e2 execute
        /export/gnu/import/git/sources/gcc/gcc/recog.c:3946
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.
[hjl@gnu-cfl-1 gcc]$