https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99422
David Binderman <dcb314 at hotmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dcb314 at hotmail dot com
--- Comment #3 from David Binderman <dcb314 at hotmail dot com> ---
I also see this when compiling linux kernel 5.12-rc2.
net/netfilter/utils.c: In function ‘nf_checksum’:
net/netfilter/utils.c:139:1: error: unrecognizable insn:
139 | }
| ^
(insn 120 466 414 12 (parallel [
(set (reg:SI 0 ax [orig:200 sum ] [200])
(asm_operands:SI (" addl %1, %0
adcl %2, %0
adcl %3, %0
adcl $0, %0
") ("=r") 0 [
(mem/c:SI (plus:DI (reg/f:DI 7 sp)
(const_int 24 [0x18])) [301 %sfp+-8 S4 A64])
(mem:SI (plus:DI (mem/c:DI (plus:DI (reg/f:DI 7 sp)
(const_int 16 [0x10])) [301 %sfp+-16 S8
A64])
(const_int 12 [0xc])) [1 MEM[(const struct
iphdr *)_19].saddr+0 S4 A32])
(reg:SI 1 dx [203])
(reg:SI 0 ax [orig:200 sum ] [200])
]
[
(asm_input:SI ("g")
./arch/x86/include/asm/checksum_64.h:91)
(asm_input:SI ("g")
./arch/x86/include/asm/checksum_64.h:91)
(asm_input:SI ("g")
./arch/x86/include/asm/checksum_64.h:91)
(asm_input:SI ("0")
./arch/x86/include/asm/checksum_64.h:91)
]
[] ./arch/x86/include/asm/checksum_64.h:91))
(clobber (reg:CC 17 flags))
]) "./arch/x86/include/asm/checksum_64.h":91:2 -1
(nil))
