https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99432
Bug ID: 99432
Summary: ICE in extract_constrain_insn, at recog.c:2670 when
building libgcc for i686
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: italolmm2018 at outlook dot com
Target Milestone: ---
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
