gcc version 11.0.1 20210306 (experimental), configured with: ../configure --target=i686-elf --prefix=/home/italo/chos/toolchain/kernel/x86/out --enable-languages=c,c++ --enable-lto --disable-multilib --without-headers --disable-nls --disable-werror Command Line: /home/italo/chos/toolchain/build/gcc/build/./gcc/xgcc -B/home/italo/chos/toolchain/build/gcc/build/./gcc/ -B/home/italo/chos/toolchain/kernel/x86/out/i686-elf/bin/ -B/home/italo/chos/toolchain/kernel/x86/out/i686-elf/lib/ -isystem /home/italo/chos/toolchain/kernel/x86/out/i686-elf/include -isystem /home/italo/chos/toolchain/kernel/x86/out/i686-elf/sys-include -g -O2 -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-error=format-diag -Wstrict-prototypes -Wmissing-prototypes -Wno-error=format-diag -Wold-style-definition -isystem ./include -fpic -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fpic -I. -I. -I../.././gcc -I../../../libgcc -I../../../libgcc/. -I../../../libgcc/../gcc -I../../../libgcc/../include -DHAVE_CC_TLS -Wno-missing-prototypes -Wno-type-limits -o divtf3.o -MT divtf3.o -MD -MP -MF divtf3.dep -c ../../../libgcc/soft-fp/divtf3.c -fvisibility=hidden -DHIDE_EXPORTS Command Output: ../../../libgcc/soft-fp/divtf3.c: In function '__divtf3': ../../../libgcc/soft-fp/divtf3.c:51:1: error: unrecognizable insn: 51 | } | ^ (insn 1199 3373 3715 79 (parallel [ (set (reg:SI 5 di [623]) (asm_operands:SI ("sub{l} {%11,%3|%3,%11} sbb{l} {%9,%2|%2,%9} sbb{l} {%7,%1|%1,%7} sbb{l} {%5,%0|%0,%5}") ("=r") 0 [ (reg:SI 5 di [623]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -80 [0xffffffffffffffb0])) [5 A_f[2]+0 S4 A64]) (reg:SI 1 dx [624]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -84 [0xffffffffffffffac])) [5 A_f[1]+0 S4 A32]) (reg:SI 4 si [625]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -88 [0xffffffffffffffa8])) [5 A_f[0]+0 S4 A128]) (reg:SI 0 ax [626]) (mem:SI (plus:SI (plus:SI (mult:SI (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -112 [0xffffffffffffff90])) [10 %sfp+-88 S4 A32]) (const_int 4 [0x4])) (reg/f:SI 6 bp)) (const_int -40 [0xffffffffffffffd8])) [5 MEM[(unsigned int *)_7]+0 S4 A32]) ] [ (asm_input:SI ("0") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("1") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("2") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("3") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) ] [] ../../../libgcc/soft-fp/divtf3.c:46)) (set (reg:SI 1 dx [624]) (asm_operands:SI ("sub{l} {%11,%3|%3,%11} sbb{l} {%9,%2|%2,%9} sbb{l} {%7,%1|%1,%7} sbb{l} {%5,%0|%0,%5}") ("=&r") 1 [ (reg:SI 5 di [623]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -80 [0xffffffffffffffb0])) [5 A_f[2]+0 S4 A64]) (reg:SI 1 dx [624]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -84 [0xffffffffffffffac])) [5 A_f[1]+0 S4 A32]) (reg:SI 4 si [625]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -88 [0xffffffffffffffa8])) [5 A_f[0]+0 S4 A128]) (reg:SI 0 ax [626]) (mem:SI (plus:SI (plus:SI (mult:SI (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -112 [0xffffffffffffff90])) [10 %sfp+-88 S4 A32]) (const_int 4 [0x4])) (reg/f:SI 6 bp)) (const_int -40 [0xffffffffffffffd8])) [5 MEM[(unsigned int *)_7]+0 S4 A32]) ] [ (asm_input:SI ("0") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("1") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("2") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("3") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) ] [] ../../../libgcc/soft-fp/divtf3.c:46)) (set (reg:SI 4 si [625]) (asm_operands:SI ("sub{l} {%11,%3|%3,%11} sbb{l} {%9,%2|%2,%9} sbb{l} {%7,%1|%1,%7} sbb{l} {%5,%0|%0,%5}") ("=&r") 2 [ (reg:SI 5 di [623]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -80 [0xffffffffffffffb0])) [5 A_f[2]+0 S4 A64]) (reg:SI 1 dx [624]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -84 [0xffffffffffffffac])) [5 A_f[1]+0 S4 A32]) (reg:SI 4 si [625]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -88 [0xffffffffffffffa8])) [5 A_f[0]+0 S4 A128]) (reg:SI 0 ax [626]) (mem:SI (plus:SI (plus:SI (mult:SI (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -112 [0xffffffffffffff90])) [10 %sfp+-88 S4 A32]) (const_int 4 [0x4])) (reg/f:SI 6 bp)) (const_int -40 [0xffffffffffffffd8])) [5 MEM[(unsigned int *)_7]+0 S4 A32]) ] [ (asm_input:SI ("0") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("1") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("2") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("3") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) ] [] ../../../libgcc/soft-fp/divtf3.c:46)) (set (reg:SI 0 ax [626]) (asm_operands:SI ("sub{l} {%11,%3|%3,%11} sbb{l} {%9,%2|%2,%9} sbb{l} {%7,%1|%1,%7} sbb{l} {%5,%0|%0,%5}") ("=&r") 3 [ (reg:SI 5 di [623]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -80 [0xffffffffffffffb0])) [5 A_f[2]+0 S4 A64]) (reg:SI 1 dx [624]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -84 [0xffffffffffffffac])) [5 A_f[1]+0 S4 A32]) (reg:SI 4 si [625]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -88 [0xffffffffffffffa8])) [5 A_f[0]+0 S4 A128]) (reg:SI 0 ax [626]) (mem:SI (plus:SI (plus:SI (mult:SI (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -112 [0xffffffffffffff90])) [10 %sfp+-88 S4 A32]) (const_int 4 [0x4])) (reg/f:SI 6 bp)) (const_int -40 [0xffffffffffffffd8])) [5 MEM[(unsigned int *)_7]+0 S4 A32]) ] [ (asm_input:SI ("0") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("1") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("2") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("3") ../../../libgcc/soft-fp/divtf3.c:46) (asm_input:SI ("g") ../../../libgcc/soft-fp/divtf3.c:46) ] [] ../../../libgcc/soft-fp/divtf3.c:46)) (clobber (reg:CC 17 flags)) ]) "../../../libgcc/soft-fp/divtf3.c":46:3 -1 (nil)) during RTL pass: reload ../../../libgcc/soft-fp/divtf3.c:51:1: internal compiler error: in extract_constrain_insn, at recog.c:2670 0x6adfb2 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.c:108 0x6adfce _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.c:116 0x6ac5f0 extract_constrain_insn(rtx_insn*) ../../gcc/recog.c:2670 0xc2c387 check_rtl ../../gcc/lra.c:2087 0xc30361 lra(_IO_FILE*) ../../gcc/lra.c:2505 0xbeaa89 do_reload ../../gcc/ira.c:5827 0xbeaa89 execute ../../gcc/ira.c:6013 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. Preprocessed File: https://pastebin.com/raw/VKvFbsEu
This is most likely a dup of bug 99422.
Dup in the end. *** This bug has been marked as a duplicate of bug 99422 ***