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)