public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM
@ 2011-07-12 15:05 janis at gcc dot gnu.org
2011-07-12 20:39 ` [Bug middle-end/49719] [4.7 Regression] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: janis at gcc dot gnu.org @ 2011-07-12 15:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Summary: test gcc.target/arm/sibcall-1.c fails for ARM
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: janis@gcc.gnu.org
Test gcc.target/arm/sibcall-1.c starts failing with r176042, a fix for PR
middle-end/49519, for arm-none-linux-gnueabi configured with defaults for arch
and cpu. The failure can be reproduced with a simple cross cc1.
See discussion in 49519.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
@ 2011-07-12 20:39 ` rguenth at gcc dot gnu.org
2011-07-13 9:46 ` ebotcazou at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-07-12 20:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Target|arm |arm-*-*
Target Milestone|--- |4.7.0
Summary|test |[4.7 Regression] test
|gcc.target/arm/sibcall-1.c |gcc.target/arm/sibcall-1.c
|fails for ARM |fails for ARM
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
2011-07-12 20:39 ` [Bug middle-end/49719] [4.7 Regression] " rguenth at gcc dot gnu.org
@ 2011-07-13 9:46 ` ebotcazou at gcc dot gnu.org
2011-10-10 12:19 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2011-07-13 9:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.07.13 09:45:43
CC| |ebotcazou at gcc dot
| |gnu.org
Ever Confirmed|0 |1
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-13 09:45:43 UTC ---
The sibcall still works on x86 but is indeed disabled on ARM because of the
lack of [reg+disp] addressing mode. While on x86 you have:
(insn 15 14 16 3 (set (reg:SI 67)
(mem/s/c:SI (plus:SI (reg/f:SI 53 virtual-incoming-args)
(const_int 32 [0x20])) [3 a+8 S4 A32])) sibcall-1.c:22 -1
(nil))
(insn 16 15 17 3 (set (mem:SI (plus:SI (reg/f:SI 53 virtual-incoming-args)
(const_int 16 [0x10])) [0 S4 A32])
(reg:SI 67)) sibcall-1.c:22 -1
(nil))
on ARM you have instead:
(insn 21 10 22 3 (set (reg:SI 143)
(reg/f:SI 131 virtual-outgoing-args)) sibcall-1.c:22 -1
(nil))
(insn 22 21 23 3 (set (reg:SI 144)
(plus:SI (reg/f:SI 128 virtual-incoming-args)
(const_int 16 [0x10]))) sibcall-1.c:22 -1
(nil))
(insn 23 22 24 3 (parallel [
(set (reg:SI 0 r0)
(mem/s/c:SI (reg:SI 144) [3 a+8 S4 A32]))
(set (reg:SI 1 r1)
(mem/s/c:SI (plus:SI (reg:SI 144)
(const_int 4 [0x4])) [3 a+12 S4 A32]))
]) sibcall-1.c:22 -1
(nil))
(insn 24 23 25 3 (parallel [
(set (mem:SI (reg:SI 143) [0 S4 A32])
(reg:SI 0 r0))
(set (mem:SI (plus:SI (reg:SI 143)
(const_int 4 [0x4])) [0 S4 A32])
(reg:SI 1 r1))
]) sibcall-1.c:22 -1
(nil))
so mem_overlaps_already_clobbered_arg_p doesn't see the displacement in the
effective address of the load. Quite annoying.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
2011-07-12 20:39 ` [Bug middle-end/49719] [4.7 Regression] " rguenth at gcc dot gnu.org
2011-07-13 9:46 ` ebotcazou at gcc dot gnu.org
@ 2011-10-10 12:19 ` rguenth at gcc dot gnu.org
2011-11-28 15:33 ` jakub at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-10-10 12:19 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
` (2 preceding siblings ...)
2011-10-10 12:19 ` rguenth at gcc dot gnu.org
@ 2011-11-28 15:33 ` jakub at gcc dot gnu.org
2011-11-29 10:18 ` jakub at gcc dot gnu.org
2011-12-05 8:41 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-11-28 15:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-28 15:15:22 UTC ---
See http://gcc.gnu.org/ml/gcc-patches/2011-11/msg02413.html
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
` (3 preceding siblings ...)
2011-11-28 15:33 ` jakub at gcc dot gnu.org
@ 2011-11-29 10:18 ` jakub at gcc dot gnu.org
2011-12-05 8:41 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-11-29 10:18 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/49719] [4.7 Regression] test gcc.target/arm/sibcall-1.c fails for ARM
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
` (4 preceding siblings ...)
2011-11-29 10:18 ` jakub at gcc dot gnu.org
@ 2011-12-05 8:41 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-12-05 8:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49719
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-05 08:37:16 UTC ---
Actually this particular testcase got fixed already by Joern's
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181738
change. But even the patch covering non-empty stored_args_map is now in.
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2011-12-05 8:41 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-07-12 15:05 [Bug middle-end/49719] New: test gcc.target/arm/sibcall-1.c fails for ARM janis at gcc dot gnu.org
2011-07-12 20:39 ` [Bug middle-end/49719] [4.7 Regression] " rguenth at gcc dot gnu.org
2011-07-13 9:46 ` ebotcazou at gcc dot gnu.org
2011-10-10 12:19 ` rguenth at gcc dot gnu.org
2011-11-28 15:33 ` jakub at gcc dot gnu.org
2011-11-29 10:18 ` jakub at gcc dot gnu.org
2011-12-05 8:41 ` jakub at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).