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From: "laurent at guerby dot net" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug ada/13849] New: backend ICE (verify_flow_info) on ACATS test cxa5011 when using -O3 -funroll-all-loops Date: Sat, 24 Jan 2004 22:15:00 -0000 [thread overview] Message-ID: <20040124221503.13849.laurent@guerby.net> (raw) The problem does not occur $ gcc -c -O3 -funroll-all-loops cxa5011.adb cxa5011.adb: In function `CXA5011': cxa5011.adb:3: error: verify_flow_info: REG_BR_PROB does not match cfg 29 0 cxa5011.adb:3: error: verify_flow_info: REG_BR_PROB does not match cfg 29 0 cxa5011.adb:3: error: verify_flow_info: REG_BR_PROB does not match cfg 29 0 cxa5011.adb:3: error: verify_flow_info: REG_BR_PROB does not match cfg 29 0 +===========================GNAT BUG DETECTED==============================+ | 3.5.0 20040123 (experimental) (i686-pc-linux-gnu) verify_flow_info failed| | Error detected at cxa5011.adb:25:5 | | Please submit a bug report; see http://gcc.gnu.org/bugs.html. | | Include the entire contents of this bug box in the report. | | Include the exact gcc or gnatmake command that you entered. | | Also include sources listed below in gnatchop format | | (concatenated together with no headers between files). | +==========================================================================+ Please include these source files with error report Note that list may not be accurate in some cases, so please double check that the problem can still be reproduced with the set of files listed. cxa5011.adb compilation abandoned $ gcc -v Reading specs from /home/guerby/work/gcc/install/install-20040123T214648/lib/gcc/i686-pc-linux-gnu/3.5.0/specs Configured with: /home/guerby/work/gcc/gcc/configure --prefix=/home/guerby/work/gcc/install/install-20040123T214648 --enable-languages=ada,c --enable-threads --disable-nls Thread model: posix gcc version 3.5.0 20040123 (experimental) The source is reduced from the ACATS test: $ cat cxa5011.adb with Ada.Numerics.Discrete_Random; procedure CXA5011 is type Discrete_Range is mod 2**(Integer'Size-1); package Discrete_Package is new Ada.Numerics.Discrete_Random(Discrete_Range); TC_Max_Loop_Count : constant Natural := 1000; procedure Toto (X : String) is begin null; end Toto; Gen_1, Gen_2 : Discrete_Package.Generator; Check_Failed : Boolean := False; begin for i in 1..TC_Max_Loop_Count loop if Discrete_Package.Random(Gen_1) /= Discrete_Package.Random(Gen_2) then Check_Failed := True; exit; end if; end loop; Toto (Integer'Image (0)); end CXA5011; -- Summary: backend ICE (verify_flow_info) on ACATS test cxa5011 when using -O3 -funroll-all-loops Product: gcc Version: 3.5.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P2 Component: ada AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: laurent at guerby dot net CC: gcc-bugs at gcc dot gnu dot org,laurent at guerby dot net GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13849
next reply other threads:[~2004-01-24 22:15 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2004-01-24 22:15 laurent at guerby dot net [this message] 2004-01-24 22:17 ` [Bug ada/13849] " laurent at guerby dot net 2004-01-24 22:22 ` [Bug optimization/13849] " charlet at gcc dot gnu dot org 2004-01-24 22:39 ` pinskia at gcc dot gnu dot org 2004-11-06 18:15 ` [Bug rtl-optimization/13849] " pinskia at gcc dot gnu dot org 2005-06-20 19:05 ` pinskia at gcc dot gnu dot org
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