https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78310
Bug ID: 78310
Summary: ICE: insn does not satisfy its constraints:
{*bmi2_rorxdi3_1} with -mbmi2
Product: gcc
Version: 7.0
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: ---
Target: x86_64-pc-linux-gnu
Created attachment 40021
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40021&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mbmi2 testcase.c
testcase.c: In function 'fn1':
testcase.c:12:1: error: insn does not satisfy its constraints:
}
^
(insn 24 11 13 2 (set (reg:DI 0 ax [orig:92 _6 ] [92])
(rotatert:DI (reg:DI 0 ax [orig:90 a.0_4 ] [90])
(const_int 64 [0x40]))) "testcase.c":10 603 {*bmi2_rorxdi3_1}
(nil))
testcase.c:12:1: internal compiler error: in extract_constrain_insn, at
recog.c:2213
0xb666b3 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/repo/gcc-trunk/gcc/rtl-error.c:108
0xb66727 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/repo/gcc-trunk/gcc/rtl-error.c:119
0xb1d59d extract_constrain_insn(rtx_insn*)
/repo/gcc-trunk/gcc/recog.c:2213
0xb2c448 copyprop_hardreg_forward_1
/repo/gcc-trunk/gcc/regcprop.c:794
0xb2d994 execute
/repo/gcc-trunk/gcc/regcprop.c:1301
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> 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-242046-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/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
--without-cloog --without-ppl --without-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-242046-checking-yes-rtl-df-extra-nographite-amd64
Thread model: posix
gcc version 7.0.0 20161110 (experimental) (GCC)
