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* [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands @ 2005-02-20 6:50 schwab at suse dot de 2005-02-20 7:37 ` [Bug rtl-optimization/20097] " schwab at suse dot de ` (6 more replies) 0 siblings, 7 replies; 10+ messages in thread From: schwab at suse dot de @ 2005-02-20 6:50 UTC (permalink / raw) To: gcc-bugs [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain, Size: 2011 bytes --] $ gcc/xgcc -v -B gcc -O2 -S md.i Reading specs from gcc/specs Target: ia64-suse-linux Configured with: ../configure --host=ia64-suse-linux --enable-shared --enable-threads --enable-__cxa_atexit --with-system-zlib --with-system-libunwind Thread model: posix gcc version 4.0.0 20050219 (experimental) gcc/cc1 -fpreprocessed md.i -quiet -dumpbase md.i -auxbase md -O2 -version -o md.s GNU C version 4.0.0 20050219 (experimental) (ia64-suse-linux) compiled by GNU C version 4.0.0 20050219 (experimental). GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 md.i: In function âdo_mdâ: md.i:3741: error: insn does not satisfy its constraints: (insn 5989 5988 5990 236 (set (reg:SI 262 p6) (reg:SI 17 r17)) 4 {*movsi_internal} (nil) (nil)) md.i:3741: internal compiler error: in reload_cse_simplify_operands, at postreload.c:391 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. Broken by this change: 2005-02-06 Roger Sayle <roger@eyesopen.com> Andrew Pinski <pinskia@physics.uc.edu> Paolo Bonzini <paolo.bonzini@lu.unisi.ch> * simplify-rtx.c (simplify_relational_operation_1): Simplify (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0)) into just (zero_extract:SI FOO (const_int 1) BAR). -- Summary: [4.0 regression] ICE in reload_cse_simplify_operands Product: gcc Version: 4.0.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P2 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: schwab at suse dot de CC: gcc-bugs at gcc dot gnu dot org,paolo dot bonzini at lu dot unisi dot ch,pinskia at physics dot uc dot edu,roger at eyesopen dot com GCC target triplet: ia64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de @ 2005-02-20 7:37 ` schwab at suse dot de 2005-02-20 7:42 ` schwab at suse dot de ` (5 subsequent siblings) 6 siblings, 0 replies; 10+ messages in thread From: schwab at suse dot de @ 2005-02-20 7:37 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From schwab at suse dot de 2005-02-19 22:37 ------- Created an attachment (id=8236) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=8236&action=view) Testcase -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de 2005-02-20 7:37 ` [Bug rtl-optimization/20097] " schwab at suse dot de @ 2005-02-20 7:42 ` schwab at suse dot de 2005-02-20 10:48 ` pinskia at gcc dot gnu dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 10+ messages in thread From: schwab at suse dot de @ 2005-02-20 7:42 UTC (permalink / raw) To: gcc-bugs -- What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.0.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de 2005-02-20 7:37 ` [Bug rtl-optimization/20097] " schwab at suse dot de 2005-02-20 7:42 ` schwab at suse dot de @ 2005-02-20 10:48 ` pinskia at gcc dot gnu dot org 2005-02-20 11:09 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-02-20 10:48 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-19 23:16 ------- This seems more likely a target bug or a latent bug. -- What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de ` (2 preceding siblings ...) 2005-02-20 10:48 ` pinskia at gcc dot gnu dot org @ 2005-02-20 11:09 ` pinskia at gcc dot gnu dot org 2005-02-20 11:13 ` pinskia at gcc dot gnu dot org ` (2 subsequent siblings) 6 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-02-20 11:09 UTC (permalink / raw) To: gcc-bugs -- What |Removed |Added ---------------------------------------------------------------------------- CC|pinskia at physics dot uc | |dot edu | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de ` (3 preceding siblings ...) 2005-02-20 11:09 ` pinskia at gcc dot gnu dot org @ 2005-02-20 11:13 ` pinskia at gcc dot gnu dot org 2005-02-23 21:27 ` cvs-commit at gcc dot gnu dot org 2005-02-23 23:08 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-02-20 11:13 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-20 00:09 ------- This looks like a reload (or a target reload) issue: We have the following RTL: (insn 4097 4096 4098 236 (set (reg:BI 2598) (and:BI (ne:BI (reg/v:SI 477 [ bNotLastFrame ]) (const_int 0 [0x0])) (subreg:BI (reg:SI 2934) 0))) 66 {*cmpsi_and_0} (nil) (nil)) Note the subreg here. We exand it to: (insn 5994 4096 5995 236 (set (reg:SI 2 r2) (reg:SI 131 f3 [2934])) 4 {*movsi_internal} (nil) (nil)) (insn 5995 5994 5996 236 (set (reg:SI 262 p6) (reg:SI 2 r2)) 4 {*movsi_internal} (nil) (nil)) (insn 5996 5995 4097 236 (set (reg:SI 2 r2) (reg/v:SI 148 f20 [orig:477 bNotLastFrame ] [477])) 4 {*movsi_internal} (nil) (nil))(insn 4097 5996 4098 236 (set (reg:BI 262 p6 [2598]) (and:BI (ne:BI (reg:SI 2 r2) (const_int 0 [0x0])) (reg:BI 262 p6))) 66 {*cmpsi_and_0} (nil) (nil)) So either we have a reload issue or we have a target issue. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-02-20 00:09:20 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de ` (4 preceding siblings ...) 2005-02-20 11:13 ` pinskia at gcc dot gnu dot org @ 2005-02-23 21:27 ` cvs-commit at gcc dot gnu dot org 2005-02-23 23:08 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 10+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2005-02-23 21:27 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-02-23 18:21 ------- Subject: Bug 20097 CVSROOT: /cvs/gcc Module name: gcc Changes by: sayle@gcc.gnu.org 2005-02-23 18:20:53 Modified files: gcc : ChangeLog simplify-rtx.c Log message: PR target/20018 PR rtl-optimization/20097 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating BImode SUBREGs of SImode registers which confuse the ia64 backend. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7571&r2=2.7572 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.229&r2=1.230 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de ` (5 preceding siblings ...) 2005-02-23 21:27 ` cvs-commit at gcc dot gnu dot org @ 2005-02-23 23:08 ` pinskia at gcc dot gnu dot org 6 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-02-23 23:08 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-23 18:39 ------- Fixed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 ^ permalink raw reply [flat|nested] 10+ messages in thread
[parent not found: <bug-20097-4@http.gcc.gnu.org/bugzilla/>]
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands [not found] <bug-20097-4@http.gcc.gnu.org/bugzilla/> @ 2012-12-19 10:07 ` steven at gcc dot gnu.org 2012-12-19 10:08 ` steven at gcc dot gnu.org 1 sibling, 0 replies; 10+ messages in thread From: steven at gcc dot gnu.org @ 2012-12-19 10:07 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 Steven Bosscher <steven at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot |steven at gcc dot gnu.org |gnu.org | --- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-19 10:07:08 UTC --- (In reply to comment #3) > This looks like a reload (or a target reload) issue: > We have the following RTL: > (insn 4097 4096 4098 236 (set (reg:BI 2598) > (and:BI (ne:BI (reg/v:SI 477 [ bNotLastFrame ]) > (const_int 0 [0x0])) > (subreg:BI (reg:SI 2934) 0))) 66 {*cmpsi_and_0} (nil) > (nil)) > > Note the subreg here. Right, that makes no sense, and neither does... > (insn 5995 5994 5996 236 (set (reg:SI 262 p6) > (reg:SI 2 r2)) 4 {*movsi_internal} (nil) (nil)) this. Will look into this if I have some time. ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug rtl-optimization/20097] [4.0 regression] ICE in reload_cse_simplify_operands [not found] <bug-20097-4@http.gcc.gnu.org/bugzilla/> 2012-12-19 10:07 ` steven at gcc dot gnu.org @ 2012-12-19 10:08 ` steven at gcc dot gnu.org 1 sibling, 0 replies; 10+ messages in thread From: steven at gcc dot gnu.org @ 2012-12-19 10:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20097 --- Comment #7 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-19 10:07:41 UTC --- *** Bug 20018 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2012-12-19 10:08 UTC | newest] Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-02-20 6:50 [Bug rtl-optimization/20097] New: [4.0 regression] ICE in reload_cse_simplify_operands schwab at suse dot de 2005-02-20 7:37 ` [Bug rtl-optimization/20097] " schwab at suse dot de 2005-02-20 7:42 ` schwab at suse dot de 2005-02-20 10:48 ` pinskia at gcc dot gnu dot org 2005-02-20 11:09 ` pinskia at gcc dot gnu dot org 2005-02-20 11:13 ` pinskia at gcc dot gnu dot org 2005-02-23 21:27 ` cvs-commit at gcc dot gnu dot org 2005-02-23 23:08 ` pinskia at gcc dot gnu dot org [not found] <bug-20097-4@http.gcc.gnu.org/bugzilla/> 2012-12-19 10:07 ` steven at gcc dot gnu.org 2012-12-19 10:08 ` steven at gcc dot gnu.org
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