https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99321
Bug ID: 99321
Summary: [11 Regression] ICE: in extract_constrain_insn, at
recog.c:2670: insn does not satisfy its constraints:
{*uminv16qi3}
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 50275
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50275&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -mtune=btver2 -fno-tree-dce -mavx512vl testcase.c
testcase.c: In function 'foo0':
testcase.c:68:1: error: insn does not satisfy its constraints:
68 | }
| ^
(insn 2646 2645 2188 2 (set (reg/v:V16QI 27 xmm7 [orig:428 v128u8_0 ] [428])
(umin:V16QI (reg/v:V16QI 27 xmm7 [orig:428 v128u8_0 ] [428])
(reg/v:V16QI 53 xmm17 [orig:428 v128u8_0 ] [428])))
"testcase.c":28:50 3810 {*uminv16qi3}
(nil))
during RTL pass: cprop_hardreg
testcase.c:68:1: internal compiler error: in extract_constrain_insn, at
recog.c:2670
0x703506 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/repo/gcc-trunk/gcc/rtl-error.c:108
0x703593 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/repo/gcc-trunk/gcc/rtl-error.c:118
0x6f1f3f extract_constrain_insn(rtx_insn*)
/repo/gcc-trunk/gcc/recog.c:2670
0xfae7cc copyprop_hardreg_forward_1
/repo/gcc-trunk/gcc/regcprop.c:831
0xfaf9fe execute
/repo/gcc-trunk/gcc/regcprop.c:1396
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-7439-20210301075850-g074226d5aa8-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r11-7439-20210301075850-g074226d5aa8-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.1 20210301 (experimental) (GCC)
