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* [Bug rtl-optimization/46175] New: ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto
@ 2010-10-25 22:32 zsojka at seznam dot cz
2010-10-27 21:43 ` [Bug rtl-optimization/46175] " pinskia at gcc dot gnu.org
2021-08-08 6:12 ` [Bug inline-asm/46175] " pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: zsojka at seznam dot cz @ 2010-10-25 22:32 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46175
Summary: ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow
control insn inside a basic block with -O -fgcse
-fno-guess-branch-probability -freorder-blocks and asm
goto
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22154
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22154
reduced testcase
Compiler output:
$ gcc -O -fgcse -fno-guess-branch-probability -freorder-blocks pr46175.c
pr46175.c: In function 'foo':
pr46175.c:27:1: error: in basic block 7:
pr46175.c:27:1: error: flow control insn inside a basic block
(jump_insn 14 46 61 7 (parallel [
(asm_operands/v ("") ("") 0 []
[]
[
(label_ref:DI 16)
] pr46175.c:27)
(clobber (reg:QI 18 fpsr))
(clobber (reg:QI 17 flags))
]) pr46175.c:19 -1
(expr_list:REG_UNUSED (reg:QI 18 fpsr)
(expr_list:REG_UNUSED (reg:QI 17 flags)
(nil)))
-> 16)
pr46175.c:27:1: internal compiler error: in rtl_verify_flow_info_1, at
cfgrtl.c:2037
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r165915 - crash
r153685 - crash
4.5 r165781 - crash
4.4 r165754 - doesn't know asm goto
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug rtl-optimization/46175] ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto
2010-10-25 22:32 [Bug rtl-optimization/46175] New: ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto zsojka at seznam dot cz
@ 2010-10-27 21:43 ` pinskia at gcc dot gnu.org
2021-08-08 6:12 ` [Bug inline-asm/46175] " pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2010-10-27 21:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46175
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2010.10.27 21:43:28
Ever Confirmed|0 |1
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-10-27 21:43:28 UTC ---
Even just -O1 -da will cause a crash.
Confirmed.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug inline-asm/46175] ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto
2010-10-25 22:32 [Bug rtl-optimization/46175] New: ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto zsojka at seznam dot cz
2010-10-27 21:43 ` [Bug rtl-optimization/46175] " pinskia at gcc dot gnu.org
@ 2021-08-08 6:12 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-08-08 6:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46175
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.5.3
Resolution|--- |FIXED
Target Milestone|--- |4.5.3
Status|NEW |RESOLVED
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=44469
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed in GCC 4.5.3. I can only think the fix for PR 44469 fixed this also.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-10-25 22:32 [Bug rtl-optimization/46175] New: ICE: in rtl_verify_flow_info_1, at cfgrtl.c:2037: flow control insn inside a basic block with -O -fgcse -fno-guess-branch-probability -freorder-blocks and asm goto zsojka at seznam dot cz
2010-10-27 21:43 ` [Bug rtl-optimization/46175] " pinskia at gcc dot gnu.org
2021-08-08 6:12 ` [Bug inline-asm/46175] " pinskia at gcc dot gnu.org
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