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and subject line Bug #162690: [parisc]gcc 3.x produces openssl test code that 
SEGVs with -march=2.0 and optimization >0
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Date: Sat, 28 Sep 2002 10:21:01 -0700
From: Kevin Carson <[EMAIL PROTECTED]>
Subject: [parisc]gcc 3.x produces openssl test code that SEGVs with -march=2.0
 and optimization >0
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Package: gcc

Running Debian unstable on PA-RISC platform  (C160 Workstation with 160MHz
PA-8000 CPU)

Compiling openssl 0.9.6g with any level of optimization for PA1.1 produces
code that passes all tests ("make test") and benchmarks ("openssl speed")
successfully.  Using -march=2.0 flag produces code that only runs
successfully at optimization level "-O0"  Any higher optimization fails some
of the test suite (reliably in test/exptest.c for instance).

I've observed this problem with gcc 3.0.4-8 and gcc-3.2.1-0pre2

libc6 2.2.5-14.3

"linux-parisc" configuration string in openssl Configure script for
successful run is
"gcc-3.2:-DB_ENDIAN -DNO_ASM -DTERMIO -O0 -march=2.0 -Wall::::::"

"linux-parisc" configuration string in openssl Configure script for failed
run is "gcc-3.2:-DB_ENDIAN -DNO_ASM -DTERMIO -O1 -march=2.0 -Wall::::::"

Run test by:

cd openssl-0.9.6g
<edit Configure to contain string above in single line>

make clean
./Configure linux-parisc
make test

if optimization is >0 run will fail with segmentation violation in exptest
(tests various operations on the big number library)

Kevin


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To: Kyle McMartin <[EMAIL PROTECTED]>
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Subject: Re: Bug #162690: [parisc]gcc 3.x produces openssl test code that
 SEGVs with -march=2.0 and optimization >0
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From: Falk Hueffner <[EMAIL PROTECTED]>
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Date: Sat, 21 May 2005 23:54:34 +0200
In-Reply-To: <[EMAIL PROTECTED]> (Kyle
 McMartin's message of "Sat, 21 May 2005 17:24:07 -0400")
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Kyle McMartin <[EMAIL PROTECTED]> writes:

> I tried this:
>
> compiler: gcc -DOPENSSL_THREADS -D_REENTRANT -DOPENSSL_NO_KRB5 -DB_ENDIAN 
> -DTERMIO -O1 -march=2.0 -fomit-frame-pointer -Wall -DBN_DIV2W
>
> gcc version 3.3.5 (Debian 1:3.3.5-12)
>
> And the test suite seemed to pass.
>
> I think the bug can safely be closed, since gcc3.3 is the default
> compiler in sarge.

OK, let's do it.

-- 
        Falk


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