https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119425
Bug ID: 119425
Summary: [15 Regression] ICE: in extract_constrain_insn, at
recog.cc:2783 insn does not satisfy its constraints:
{avx2_pblenddv8si}
Product: gcc
Version: 15.0
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 60852
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60852&action=edit
auto-reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -fno-vect-cost-model -ftree-slp-vectorize
-mavxneconvert -mapxf sha512.c
sha512.c: In function 'sha512_block_data_order':
sha512.c:32:1: error: insn does not satisfy its constraints:
32 | }
| ^
(insn 69 68 71 4 (set (reg:V8SI 20 xmm0 [212])
(vec_merge:V8SI (mem:V8SI (plus:DI (mult:DI (reg:DI 86 r26 [orig:170
ivtmp.50 ] [170])
(const_int 8 [0x8]))
(const:DI (plus:DI (symbol_ref:DI ("K512") [flags 0x40]
<var_decl 0x7f72f5803e40 K512>)
(const_int 64 [0x40])))) [1 MEM <vector(4) long
int> [(long int *)&K512 + 64B + ivtmp.50_170 * 8]+0 S32 A64])
(reg:V8SI 20 xmm0 [211])
(const_int 192 [0xc0]))) "sha512.c":20:5 8754 {avx2_pblenddv8si}
(nil))
during RTL pass: reload
sha512.c:32:1: internal compiler error: in extract_constrain_insn, at
recog.cc:2783
0x2df76a1 internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:517
0xefc97d fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1749
0x86be8b _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/repo/gcc-trunk/gcc/rtl-error.cc:108
0x86bf12 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/repo/gcc-trunk/gcc/rtl-error.cc:118
0x85c559 extract_constrain_insn(rtx_insn*)
/repo/gcc-trunk/gcc/recog.cc:2783
0x145b894 check_rtl
/repo/gcc-trunk/gcc/lra.cc:2202
0x1460363 lra(_IO_FILE*, int)
/repo/gcc-trunk/gcc/lra.cc:2634
0x1408baf do_reload
/repo/gcc-trunk/gcc/ira.cc:5987
0x1408baf execute
/repo/gcc-trunk/gcc/ira.cc:6175
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
