From: Andy Moreton <andrewjmoreton@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: bignum branch
Date: Sat, 11 Aug 2018 19:15:08 +0100 [thread overview]
Message-ID: <86eff4ixcj.fsf@gmail.com> (raw)
In-Reply-To: 83eff4lqon.fsf@gnu.org
On Sat 11 Aug 2018, Eli Zaretskii wrote:
>> From: Andy Moreton <andrewjmoreton@gmail.com>
>> Date: Sat, 11 Aug 2018 18:56:15 +0100
>>
>> > What do the following GDB commands show, in the crashing build?
>> >
>> > (gdb) disassemble __gmpz_popcount
>> > (gdb) ptype __gmpz_popcount
>> > (gdb) ptype __gmpn_popcount
>>
>> Nothing useful :-(
>
> What about
>
> (gdb) disassemble Flogcount
(gdb) disas Flogcount
Dump of assembler code for function Flogcount:
0x000000040016e2de <+0>: push %rsi
0x000000040016e2df <+1>: push %rbx
0x000000040016e2e0 <+2>: sub $0x38,%rsp
0x000000040016e2e4 <+6>: mov %rcx,%rbx
0x000000040016e2e7 <+9>: mov 0x53d252(%rip),%rax # 0x4006ab540 <.refptr.suppress_checking>
0x000000040016e2ee <+16>: cmpb $0x0,(%rax)
0x000000040016e2f1 <+19>: je 0x40016e317 <Flogcount+57>
0x000000040016e2f3 <+21>: mov %ebx,%eax
0x000000040016e2f5 <+23>: and $0x3,%eax
0x000000040016e2f8 <+26>: cmp $0x2,%eax
0x000000040016e2fb <+29>: je 0x40016e36a <Flogcount+140>
0x000000040016e2fd <+31>: mov %ebx,%eax
0x000000040016e2ff <+33>: and $0x7,%eax
0x000000040016e302 <+36>: cmp $0x1,%eax
0x000000040016e305 <+39>: je 0x40016e34d <Flogcount+111>
0x000000040016e307 <+41>: mov $0x0,%eax
0x000000040016e30c <+46>: test %eax,%eax
0x000000040016e30e <+48>: je 0x40016e36f <Flogcount+145>
0x000000040016e310 <+50>: mov $0x1,%eax
0x000000040016e315 <+55>: jmp 0x40016e36f <Flogcount+145>
0x000000040016e317 <+57>: mov $0xc010,%ecx
0x000000040016e31c <+62>: callq 0x4000e6466 <XSYMBOL>
0x000000040016e321 <+67>: mov 0x53cd78(%rip),%rsi # 0x4006ab0a0 <.refptr.lispsym>
0x000000040016e328 <+74>: lea 0xc010(%rsi),%rdx
0x000000040016e32f <+81>: cmp %rdx,%rax
0x000000040016e332 <+84>: je 0x40016e2f3 <Flogcount+21>
0x000000040016e334 <+86>: mov $0x3ad,%r8d
0x000000040016e33a <+92>: lea 0x51905f(%rip),%rdx # 0x4006873a0 <gdb_make_enums_visible+408>
0x000000040016e341 <+99>: lea 0x519144(%rip),%rcx # 0x40068748c <gdb_make_enums_visible+644>
0x000000040016e348 <+106>: callq 0x400160fd4 <die>
0x000000040016e34d <+111>: mov %rbx,%rcx
0x000000040016e350 <+114>: callq 0x4000e9651 <XMISCANY>
0x000000040016e355 <+119>: cmpw $0x5eb1,(%rax)
0x000000040016e35a <+124>: je 0x40016e363 <Flogcount+133>
0x000000040016e35c <+126>: mov $0x0,%eax
0x000000040016e361 <+131>: jmp 0x40016e30c <Flogcount+46>
0x000000040016e363 <+133>: mov $0x1,%eax
0x000000040016e368 <+138>: jmp 0x40016e30c <Flogcount+46>
0x000000040016e36a <+140>: mov $0x1,%eax
0x000000040016e36f <+145>: test %eax,%eax
0x000000040016e371 <+147>: je 0x40016e3c6 <Flogcount+232>
0x000000040016e373 <+149>: mov %ebx,%eax
0x000000040016e375 <+151>: and $0x7,%eax
0x000000040016e378 <+154>: cmp $0x1,%eax
0x000000040016e37b <+157>: je 0x40016e3d3 <Flogcount+245>
0x000000040016e37d <+159>: mov $0x0,%eax
0x000000040016e382 <+164>: test %eax,%eax
0x000000040016e384 <+166>: jne 0x40016e3f0 <Flogcount+274>
0x000000040016e386 <+168>: mov 0x53d1b3(%rip),%rax # 0x4006ab540 <.refptr.suppress_checking>
0x000000040016e38d <+175>: cmpb $0x0,(%rax)
0x000000040016e390 <+178>: jne 0x40016e3a0 <Flogcount+194>
0x000000040016e392 <+180>: mov %ebx,%eax
0x000000040016e394 <+182>: and $0x3,%eax
0x000000040016e397 <+185>: cmp $0x2,%eax
0x000000040016e39a <+188>: jne 0x40016e49d <Flogcount+447>
0x000000040016e3a0 <+194>: mov %rbx,%rcx
0x000000040016e3a3 <+197>: sar $0x2,%rcx
0x000000040016e3a7 <+201>: js 0x40016e4b6 <Flogcount+472>
0x000000040016e3ad <+207>: callq 0x400286940 <__popcountdi2>
0x000000040016e3b2 <+212>: cltq
0x000000040016e3b4 <+214>: lea 0x2(,%rax,4),%rbx
0x000000040016e3bc <+222>: mov %rbx,%rax
0x000000040016e3bf <+225>: add $0x38,%rsp
0x000000040016e3c3 <+229>: pop %rbx
0x000000040016e3c4 <+230>: pop %rsi
0x000000040016e3c5 <+231>: retq
0x000000040016e3c6 <+232>: mov %rbx,%rdx
0x000000040016e3c9 <+235>: mov $0xc010,%ecx
0x000000040016e3ce <+240>: callq 0x40016c439 <wrong_type_argument>
0x000000040016e3d3 <+245>: mov %rbx,%rcx
0x000000040016e3d6 <+248>: callq 0x4000e9651 <XMISCANY>
0x000000040016e3db <+253>: cmpw $0x5eb1,(%rax)
0x000000040016e3e0 <+258>: je 0x40016e3e9 <Flogcount+267>
0x000000040016e3e2 <+260>: mov $0x0,%eax
0x000000040016e3e7 <+265>: jmp 0x40016e382 <Flogcount+164>
0x000000040016e3e9 <+267>: mov $0x1,%eax
0x000000040016e3ee <+272>: jmp 0x40016e382 <Flogcount+164>
0x000000040016e3f0 <+274>: mov %rbx,%rcx
0x000000040016e3f3 <+277>: callq 0x4000e9c29 <XBIGNUM>
0x000000040016e3f8 <+282>: mov 0x14(%rax),%edx
0x000000040016e3fb <+285>: test %edx,%edx
0x000000040016e3fd <+287>: js 0x40016e41d <Flogcount+319>
0x000000040016e3ff <+289>: jle 0x40016e416 <Flogcount+312>
0x000000040016e401 <+291>: mov 0x18(%rax),%rcx
0x000000040016e405 <+295>: callq 0x401e60494 <__imp___gmpn_popcount>
0x000000040016e40a <+300>: mov %eax,%eax
0x000000040016e40c <+302>: lea 0x2(,%rax,4),%rbx
0x000000040016e414 <+310>: jmp 0x40016e3bc <Flogcount+222>
0x000000040016e416 <+312>: mov $0x0,%eax
0x000000040016e41b <+317>: jmp 0x40016e40a <Flogcount+300>
0x000000040016e41d <+319>: lea 0x20(%rsp),%rsi
0x000000040016e422 <+324>: mov %rsi,%rcx
0x000000040016e425 <+327>: callq 0x400285308 <__gmpz_init>
0x000000040016e42a <+332>: mov %rbx,%rcx
0x000000040016e42d <+335>: callq 0x4000e9c29 <XBIGNUM>
0x000000040016e432 <+340>: lea 0x10(%rax),%rdx
0x000000040016e436 <+344>: cmp %rsi,%rdx
0x000000040016e439 <+347>: je 0x40016e445 <Flogcount+359>
0x000000040016e43b <+349>: lea 0x20(%rsp),%rcx
0x000000040016e440 <+354>: callq 0x4002852d0 <__gmpz_set>
0x000000040016e445 <+359>: mov 0x24(%rsp),%eax
0x000000040016e449 <+363>: neg %eax
0x000000040016e44b <+365>: mov %eax,0x24(%rsp)
0x000000040016e44f <+369>: lea 0x20(%rsp),%rcx
0x000000040016e454 <+374>: mov $0x1,%r8d
0x000000040016e45a <+380>: mov %rcx,%rdx
0x000000040016e45d <+383>: callq 0x4002852a0 <__gmpz_sub_ui>
0x000000040016e462 <+388>: mov 0x24(%rsp),%edx
0x000000040016e466 <+392>: test %edx,%edx
0x000000040016e468 <+394>: js 0x40016e496 <Flogcount+440>
0x000000040016e46a <+396>: mov $0x0,%eax
0x000000040016e46f <+401>: test %edx,%edx
0x000000040016e471 <+403>: jle 0x40016e47d <Flogcount+415>
0x000000040016e473 <+405>: mov 0x28(%rsp),%rcx
0x000000040016e478 <+410>: callq 0x401e60494 <__imp___gmpn_popcount>
0x000000040016e47d <+415>: mov %eax,%eax
0x000000040016e47f <+417>: lea 0x2(,%rax,4),%rbx
0x000000040016e487 <+425>: lea 0x20(%rsp),%rcx
0x000000040016e48c <+430>: callq 0x400285360 <__gmpz_clear>
0x000000040016e491 <+435>: jmpq 0x40016e3bc <Flogcount+222>
0x000000040016e496 <+440>: mov $0xffffffff,%eax
0x000000040016e49b <+445>: jmp 0x40016e46f <Flogcount+401>
0x000000040016e49d <+447>: mov $0xd1c,%r8d
0x000000040016e4a3 <+453>: lea 0x518e66(%rip),%rdx # 0x400687310 <gdb_make_enums_visible+264>
0x000000040016e4aa <+460>: lea 0x51911f(%rip),%rcx # 0x4006875d0 <gdb_make_enums_visible+968>
0x000000040016e4b1 <+467>: callq 0x400160fd4 <die>
0x000000040016e4b6 <+472>: not %rcx
0x000000040016e4b9 <+475>: jmpq 0x40016e3ad <Flogcount+207>
End of assembler dump.
next prev parent reply other threads:[~2018-08-11 18:15 UTC|newest]
Thread overview: 205+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 4:26 bignum branch Tom Tromey
2018-07-13 7:38 ` Eli Zaretskii
2018-07-13 8:45 ` Robert Pluim
2018-07-13 9:51 ` Robert Pluim
2018-07-13 11:59 ` Eli Zaretskii
2018-07-13 13:31 ` Robert Pluim
2018-07-13 18:06 ` Tom Tromey
2018-07-13 12:04 ` Eli Zaretskii
2018-07-13 12:14 ` Eli Zaretskii
2018-07-13 13:02 ` Robert Pluim
2018-07-13 13:50 ` Eli Zaretskii
2018-07-15 16:29 ` Andy Moreton
2018-07-17 18:10 ` Robert Pluim
2018-07-17 18:24 ` Eli Zaretskii
2018-07-17 19:06 ` Eli Zaretskii
2018-07-17 20:00 ` Robert Pluim
2018-07-17 21:17 ` Clément Pit-Claudel
2018-07-18 1:01 ` Stefan Monnier
2018-07-18 9:28 ` Andy Moreton
2018-07-18 13:21 ` Robert Pluim
2018-07-18 13:32 ` Stefan Monnier
2018-07-18 16:01 ` Eli Zaretskii
2018-07-18 16:21 ` Robert Pluim
2018-07-18 16:47 ` Eli Zaretskii
2018-07-13 12:34 ` Robert Pluim
2018-07-13 14:28 ` Andy Moreton
2018-07-13 14:42 ` Eli Zaretskii
2018-07-13 14:53 ` Andy Moreton
2018-07-13 15:03 ` Eli Zaretskii
2018-07-13 15:30 ` Andy Moreton
2018-07-13 19:35 ` Andy Moreton
2018-07-14 16:20 ` Eli Zaretskii
2018-07-14 20:04 ` Andy Moreton
2018-07-15 13:46 ` Tom Tromey
2018-07-15 15:01 ` Eli Zaretskii
2018-07-16 12:19 ` Stefan Monnier
2018-07-16 14:40 ` Eli Zaretskii
2018-07-16 16:09 ` Stefan Monnier
2018-07-16 18:06 ` Eli Zaretskii
2018-07-16 18:32 ` Stefan Monnier
2018-07-16 18:42 ` Eli Zaretskii
2018-07-16 14:35 ` Tom Tromey
2018-07-16 22:28 ` Andy Moreton
2018-07-21 15:35 ` Andy Moreton
2018-07-22 16:43 ` Tom Tromey
2018-07-22 17:41 ` Andy Moreton
2018-08-03 0:43 ` Andy Moreton
2018-08-03 6:23 ` Eli Zaretskii
2018-08-03 9:01 ` Andy Moreton
2018-08-03 9:47 ` Eli Zaretskii
2018-08-03 10:07 ` Andy Moreton
2018-08-03 13:16 ` Eli Zaretskii
2018-08-03 14:05 ` Andy Moreton
2018-08-03 17:44 ` Eli Zaretskii
2018-08-03 19:54 ` Andy Moreton
2018-08-04 6:11 ` Eli Zaretskii
2018-08-04 11:14 ` Andy Moreton
2018-08-04 11:29 ` Eli Zaretskii
2018-08-03 20:17 ` Tom Tromey
2018-08-03 21:02 ` Paul Eggert
2018-08-03 21:19 ` Tom Tromey
2018-08-04 1:22 ` Paul Eggert
2018-08-04 6:18 ` Eli Zaretskii
2018-08-04 10:49 ` Achim Gratz
2018-08-04 11:07 ` Eli Zaretskii
2018-08-04 10:43 ` Achim Gratz
2018-08-04 16:33 ` Tom Tromey
2018-08-04 18:28 ` Achim Gratz
2018-08-04 6:20 ` Eli Zaretskii
2018-08-04 11:17 ` Andy Moreton
2018-08-04 16:41 ` Tom Tromey
2018-08-06 10:18 ` Robert Pluim
2018-08-07 0:36 ` Tom Tromey
2018-08-07 8:38 ` Andy Moreton
2018-08-08 0:25 ` Tom Tromey
2018-08-04 17:10 ` Tom Tromey
2018-08-03 17:30 ` Tom Tromey
2018-08-03 19:16 ` Andy Moreton
2018-08-04 6:07 ` Eli Zaretskii
2018-08-05 11:36 ` Andy Moreton
2018-08-05 15:18 ` Eli Zaretskii
2018-08-06 18:12 ` Andy Moreton
2018-08-07 0:41 ` Tom Tromey
2018-08-07 2:03 ` Paul Eggert
2018-08-07 3:59 ` Tom Tromey
2018-08-07 4:02 ` Tom Tromey
2018-08-07 11:22 ` Andy Moreton
2018-08-07 16:53 ` Paul Eggert
2018-08-07 17:12 ` Eli Zaretskii
2018-08-07 17:52 ` Paul Eggert
2018-08-08 0:23 ` Tom Tromey
2018-08-07 11:17 ` Andy Moreton
2018-08-08 0:26 ` Tom Tromey
2018-08-08 14:24 ` Andy Moreton
2018-08-08 16:35 ` Andy Moreton
2018-08-08 23:14 ` Tom Tromey
2018-08-09 2:33 ` Eli Zaretskii
2018-08-09 7:59 ` Michael Albinus
2018-08-09 13:01 ` Eli Zaretskii
2018-08-09 17:31 ` Paul Eggert
2018-08-09 18:32 ` Eli Zaretskii
2018-08-09 19:22 ` Stefan Monnier
2018-08-09 16:34 ` Tom Tromey
2018-08-09 18:28 ` Eli Zaretskii
2018-08-09 19:30 ` Tom Tromey
2018-08-08 23:37 ` Tom Tromey
2018-08-09 0:07 ` Andy Moreton
2018-08-09 2:03 ` Tom Tromey
2018-08-09 9:19 ` Andy Moreton
2018-08-09 20:49 ` Andy Moreton
2018-08-10 5:45 ` Eli Zaretskii
2018-08-10 7:43 ` Andy Moreton
2018-08-10 7:59 ` Paul Eggert
2018-08-10 9:48 ` Eli Zaretskii
2018-08-10 20:58 ` Paul Eggert
2018-08-11 7:08 ` Eli Zaretskii
2018-08-11 8:02 ` Paul Eggert
2018-08-11 10:50 ` Eli Zaretskii
2018-08-11 12:57 ` Stefan Monnier
2018-08-11 19:38 ` Paul Eggert
2018-08-10 11:18 ` Andy Moreton
2018-08-10 11:56 ` Andreas Schwab
2018-08-10 12:25 ` Eli Zaretskii
2018-08-10 12:27 ` Andy Moreton
2018-08-10 18:37 ` Achim Gratz
2018-08-10 12:26 ` Eli Zaretskii
2018-08-10 12:46 ` Andy Moreton
2018-08-10 9:46 ` Eli Zaretskii
2018-08-10 11:39 ` Andy Moreton
2018-08-10 12:33 ` Eli Zaretskii
2018-08-10 14:05 ` Andy Moreton
2018-08-10 19:57 ` Eli Zaretskii
2018-08-11 15:21 ` Andy Moreton
2018-08-11 15:25 ` Tom Tromey
2018-08-11 16:04 ` Eli Zaretskii
2018-08-11 16:16 ` Eli Zaretskii
2018-08-11 16:54 ` Andy Moreton
2018-08-11 17:34 ` Eli Zaretskii
2018-08-11 17:56 ` Andy Moreton
2018-08-11 18:10 ` Eli Zaretskii
2018-08-11 18:15 ` Andy Moreton [this message]
2018-08-11 19:08 ` Eli Zaretskii
2018-08-11 22:15 ` Andy Moreton
2018-08-12 18:54 ` Eli Zaretskii
2018-08-12 19:44 ` Andy Moreton
2018-08-13 15:02 ` Eli Zaretskii
2018-08-13 23:13 ` Andy Moreton
2018-08-14 14:55 ` Eli Zaretskii
2018-08-14 15:11 ` Andy Moreton
2018-08-14 15:19 ` Eli Zaretskii
2018-08-14 16:16 ` Andy Moreton
2018-08-15 17:01 ` Eli Zaretskii
2018-08-11 17:00 ` Andy Moreton
2018-08-10 15:25 ` Stefan Monnier
2018-08-10 16:45 ` Andy Moreton
2018-08-10 19:34 ` Eli Zaretskii
2018-08-09 3:49 ` Stefan Monnier
2018-08-09 9:21 ` Andy Moreton
2018-08-09 2:37 ` Eli Zaretskii
2018-08-03 20:13 ` Tom Tromey
2018-08-04 16:39 ` Tom Tromey
2018-08-04 17:24 ` Tom Tromey
2018-08-05 10:46 ` Andy Moreton
2018-08-05 18:59 ` Tom Tromey
2018-08-06 18:17 ` Andy Moreton
2018-07-15 15:00 ` Eli Zaretskii
2018-07-15 17:31 ` Paul Eggert
2018-07-15 18:27 ` Eli Zaretskii
2018-07-16 19:02 ` Paul Eggert
2018-07-17 2:42 ` Eli Zaretskii
2018-07-17 15:53 ` Paul Eggert
2018-07-17 17:03 ` Eli Zaretskii
2018-07-17 17:24 ` Paul Eggert
2018-07-17 17:38 ` Eli Zaretskii
2018-07-17 17:41 ` Paul Eggert
2018-07-17 17:53 ` Eli Zaretskii
2018-07-17 18:55 ` Paul Eggert
2018-07-17 19:04 ` Eli Zaretskii
2018-07-17 22:39 ` Paul Eggert
2018-07-18 2:41 ` Eli Zaretskii
2018-07-18 7:39 ` Paul Eggert
2018-07-18 11:14 ` Andy Moreton
2018-07-18 11:57 ` Paul Eggert
2018-07-18 13:09 ` Clément Pit-Claudel
2018-07-18 13:18 ` Stefan Monnier
2018-07-18 13:43 ` Clément Pit-Claudel
2018-07-18 14:06 ` Andy Moreton
2018-07-18 19:25 ` Achim Gratz
2018-07-18 20:41 ` Stefan Monnier
2018-07-19 2:36 ` Eli Zaretskii
2018-07-19 20:32 ` Paul Eggert
2018-07-20 20:02 ` Achim Gratz
2018-07-20 20:58 ` Paul Eggert
2018-07-20 21:48 ` Stefan Monnier
2018-07-22 19:49 ` Achim Gratz
2018-07-18 18:29 ` Paul Eggert
2018-07-18 11:10 ` Andy Moreton
2018-07-18 18:34 ` Paul Eggert
2018-07-25 21:02 ` Andy Moreton
2018-08-09 14:26 ` Charles A. Roelli
2018-08-09 15:17 ` Andy Moreton
2018-08-09 16:23 ` Charles A. Roelli
2018-08-09 16:25 ` Tom Tromey
2018-08-09 17:08 ` Andy Moreton
2018-08-09 19:29 ` Tom Tromey
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