optimization/8012: Internal Compiler Error on vax-netbsdelf-gcc: error: Wrong amount of branch edges after unconditional jump 0
matt@3am-software.com
matt@3am-software.com
Mon Sep 23 11:26:00 GMT 2002
>Number: 8012
>Category: optimization
>Synopsis: Internal Compiler Error on vax-netbsdelf-gcc: error: Wrong amount of branch edges after unconditional jump 0
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Mon Sep 23 11:26:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Matt Thomas
>Release: 3.3 20020922 (experimental)
>Organization:
3am Software Foundry
>Environment:
System: NetBSD pilot.local 1.6F NetBSD 1.6F (PILOT.MP) #8: Mon Aug 19 01:55:52 PDT 2002 matt@pilot.local:/export/i386/kobj/PILOT.MP i386
host: i386-pc-netbsdelf
build: i386-pc-netbsdelf
target: vax-dec-netbsdelf
configured with: /export/toolchain/gcc/configure --target=vax-netbsdelf --host=i386-netbsdelf --build=i386-netbsdelf --disable-shared --enable-static : (reconfigured) : (reconfigured) : (reconfigured)
>Description:
When compiling testsuite/gcc.c-torture/compile/920624-1.c with
-O3 -fomit-frame-pointer or higher, cc1 reports:
gcc.c-torture/compile/920624-1.c: In function `f':
gcc.c-torture/compile/920624-1.c:2: error: Wrong amount of branch edges after unconditional jump 0
gcc.c-torture/compile/920624-1.c:2: internalcompiler error: verify_flow_info failed
>How-To-Repeat:
Compile the above test case at -O3 -fomit-frame-pointer
>Fix:
Since it's impossible to not use the frame pointer on a VAX, maybe
-fomit-frame-pointer should be ignored for VAX??
>Release-Note:
>Audit-Trail:
>Unformatted:
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