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From: Zoltan Hidvegi <hzoli@austin.ibm.com> To: gcc-gnats@gcc.gnu.org Subject: optimization/5959: __attribute__((pure)) ignored on PowerPC AIX Date: Wed, 13 Mar 2002 23:56:00 -0000 [thread overview] Message-ID: <200203140750.BAA39836@vlad.austin.ibm.com> (raw) >Number: 5959 >Category: optimization >Synopsis: __attribute__((pure)) ignored on PowerPC AIX >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: pessimizes-code >Submitter-Id: net >Arrival-Date: Wed Mar 13 23:56:01 PST 2002 >Closed-Date: >Last-Modified: >Originator: Zoltan Hidvegi >Release: 3.0.3 20011211 (prerelease) >Organization: >Environment: System: AIX vlad 3 4 0005BA2F4C00 host: powerpc-ibm-aix4.3.3.0 build: powerpc-ibm-aix4.3.3.0 target: powerpc-ibm-aix4.3.3.0 configured with: ../gcc/configure --prefix=<prefix> --with-local-prefix=<prefix> --enable-languages=c,c++,java --enable-version-specific-runtime-libs --disable-nls --disable-shared >Description: Looking at the assembly listing generated by gcc it seems that __attributed__((pure)) is ignored on PowerPC AIX, while the same code works on Intel Linux. The sample code below calls foo twice on AIX but only once on Linux. >How-To-Repeat: int foo(int) __attribute__((pure)); int twice_foo(int i) { return foo(i) + foo(i); } >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-03-14 7:56 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-03-13 23:56 Zoltan Hidvegi [this message] 2002-04-26 12:18 dje
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