https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97715
Bug ID: 97715
Summary: [11 Regression] ICE in insn_default_length, at
config/i386/i386.md:15325 since
r11-4578-gd10f3e900b0377b4
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: marxin at gcc dot gnu.org
CC: hjl at gcc dot gnu.org, qinzhao at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-11.c
-mno-80387
In file included from
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-11.c:4:
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-10.c:
In function ‘foo9’:
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-10.c:77:1:
error: unrecognizable insn:
77 | }
| ^
(insn 27 67 28 2 (set (reg:XF 8 st)
(const_double:XF 0.0 [0x0.0p+0]))
"/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-10.c":77:1
-1
(nil))
during RTL pass: shorten
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/zero-scratch-regs-10.c:77:1:
internal compiler error: in insn_default_length, at config/i386/i386.md:15325
0x6c85cb _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:108
0x6c85e7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:116
0x7afca5 insn_default_length(rtx_insn*)
/home/marxin/Programming/gcc/gcc/config/i386/i386.md:15325
0xa90559 shorten_branches(rtx_insn*)
/home/marxin/Programming/gcc/gcc/final.c:1118
0xa905bf rest_of_handle_shorten_branches
/home/marxin/Programming/gcc/gcc/final.c:4753
0xa905bf execute
/home/marxin/Programming/gcc/gcc/final.c:4782
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.
