https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115949
Bug ID: 115949
Summary: [SH] unrecognized insn in postreload
Product: gcc
Version: 14.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: olegendo at gcc dot gnu.org
Target Milestone: ---
Created attachment 58681
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58681&action=edit
reduced reproducer
Attached reproducer compiled on sh-elf with 'sh-elf-gcc -c -O2 -m4-single
-mfsrra -mfsca -ffast-math' gives the following ICE:
bug.cpp:177:1: error: insn does not satisfy its constraints:
177 | }
| ^
(insn 393 90 394 8 (set (mem/c:SI (plus:SI (reg/f:SI 15 r15)
(const_int 8 [0x8])) [11 %sfp+-56 S4 A32])
(reg:SI 68 fr4)) "bug.cpp":124:29 189 {movsi_ie}
(nil))
during RTL pass: postreload
bug.cpp:177:1: internal compiler error: in extract_constrain_insn, at
recog.cc:2713
0x673c85 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/gcc/rtl-error.cc:108
0x673cab _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc/gcc/rtl-error.cc:118
0x6730b1 extract_constrain_insn(rtx_insn*)
../../gcc/gcc/recog.cc:2713
0xd2253d reload_cse_simplify_operands
../../gcc/gcc/postreload.cc:396
0xd2374c reload_cse_simplify
../../gcc/gcc/postreload.cc:179
0xd2374c reload_cse_regs_1
../../gcc/gcc/postreload.cc:227
0xd258ab reload_cse_regs
../../gcc/gcc/postreload.cc:65
0xd258ab execute
../../gcc/gcc/postreload.cc:2366
