[Bug target/64254] New: [5 Regression] FAIL: c-c++-common/torture/vshuf-(v4si|v8hi).c -O* (internal compiler error) between r218540 and r218566.

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64254

            Bug ID: 64254
           Summary: [5 Regression] FAIL:
                    c-c++-common/torture/vshuf-(v4si|v8hi).c -O* (internal
                    compiler error) between r218540 and r218566.
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: iains at gcc dot gnu.org, jakub at gcc dot gnu.org

On x86_64-apple-darwin14 the following failures appeared between r218540 (OK)
and r218566 (ICE), see
https://gcc.gnu.org/ml/gcc-testresults/2014-12/msg01222.html :

FAIL: c-c++-common/torture/vshuf-v4si.c   -O1  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O1  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2 -flto  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2 -flto  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2 -flto -flto-partition=none 
(internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O2 -flto -flto-partition=none  (test
for excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O3 -fomit-frame-pointer  (internal
compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O3 -fomit-frame-pointer  (test for
excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O3 -g  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -O3 -g  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v4si.c   -Os  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v4si.c   -Os  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O1  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O1  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2 -flto  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2 -flto  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2 -flto -flto-partition=none 
(internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O2 -flto -flto-partition=none  (test
for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O3 -fomit-frame-pointer  (internal
compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O3 -fomit-frame-pointer  (test for
excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O3 -g  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -O3 -g  (test for excess errors)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -Os  (internal compiler error)
FAIL: c-c++-common/torture/vshuf-v8hi.c   -Os  (test for excess errors)

with -m32/-m64. The ICEs are

In file included from
/opt/gcc/p_work/gcc/testsuite/c-c++-common/torture/vshuf-v8hi.c:23:0:
/opt/gcc/p_work/gcc/testsuite/c-c++-common/torture/vshuf-main.inc: In function
'main':
/opt/gcc/p_work/gcc/testsuite/c-c++-common/torture/vshuf-main.inc:26:1:
internal compiler error: in trunc_int_for_mode, at explow.c:62
 }
 ^

I also see

FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c (internal compiler error)
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%xmm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%xmm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%ymm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%ymm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%zmm[0-9]+(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%zmm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastb-1.c scan-assembler-times
vpbroadcastb[ \\\\t]+[^{\\n]*%zmm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c (internal compiler error)
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%xmm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%xmm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%ymm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%ymm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%zmm[0-9]+(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%zmm[0-9]+{%k[1-7]}(?:\\n|[ \\\\t]+#) 2
FAIL: gcc.target/i386/avx512bw-vpbroadcastw-1.c scan-assembler-times
vpbroadcastw[ \\\\t]+[^{\\n]*%zmm[0-9]+{%k[1-7]}{z}(?:\\n|[ \\\\t]+#) 2

with -m32. The ICEs are

/opt/gcc/p_work/gcc/testsuite/gcc.target/i386/avx512bw-vpbroadcastb-1.c: In
function 'avx512bw_test':
/opt/gcc/p_work/gcc/testsuite/gcc.target/i386/avx512bw-vpbroadcastb-1.c:39:1:
internal compiler error: Max. number of generated reload insns per insn is
achieved (90)

 }
 ^