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* [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
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