[Bug bootstrap/90497] [10 Regression] Broken bootstrap on i686-linux

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90497

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
spawn -ignore SIGHUP /home/jakub/src/gcc/obj45/gcc/xgcc
-B/home/jakub/src/gcc/obj45/gcc/ -fno-diagnostics-show-caret
-fno-diagnostics-show-line-numbers -fdiagnostics-color=never -O2
-Werror-implicit-function-declaration -m3dnow -c -o 3dnow-1.o
/home/jakub/src/gcc/gcc/testsuite/gcc.target/i386/3dnow-1.c
In file included from
/home/jakub/src/gcc/gcc/testsuite/gcc.target/i386/3dnow-1.c:14:
/home/jakub/src/gcc/obj45/gcc/include/mm3dnow.h: In function '_m_pavgusb':
/home/jakub/src/gcc/obj45/gcc/include/mm3dnow.h:53:1: error: unrecognizable
insn:
(insn 7 4 8 2 (set (reg:V8QI 88)
        (truncate:V8QI (lshiftrt:V8HI (plus:V8HI (plus:V8HI (zero_extend:V8HI
(subreg:V8QI (reg/v:V2SI 86 [ __A ]) 0))
                        (zero_extend:V8HI (subreg:V8QI (reg/v:V2SI 87 [ __B ])
0)))
                    (const_vector:V8HI [
                            (const_int 1 [0x1]) repeated x8
                        ]))
                (const_int 1 [0x1]))))
"/home/jakub/src/gcc/obj45/gcc/include/mm3dnow.h":52:17 -1
     (nil))
during RTL pass: vregs
/home/jakub/src/gcc/obj45/gcc/include/mm3dnow.h:53:1: internal compiler error:
in extract_insn, at recog.c:2310
0x82dac28 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        ../../gcc/rtl-error.c:108
0x82daca5 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        ../../gcc/rtl-error.c:116
0x82cb6d5 extract_insn(rtx_insn*)
        ../../gcc/recog.c:2310
0x8848ebd instantiate_virtual_regs_in_insn
        ../../gcc/function.c:1605
0x8848ebd instantiate_virtual_regs
        ../../gcc/function.c:1975
0x8848ebd execute
        ../../gcc/function.c:2024
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.
compiler exited with status 1
FAIL: gcc.target/i386/3dnow-1.c (internal compiler error)
FAIL: gcc.target/i386/3dnow-1.c (test for excess errors)