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Re: optimization/10876: [3.3/3.4 regression] [Sparc] internal compiler error on FP code
- From: "Christian Ehrhardt" <ehrhardt at mathematik dot uni-ulm dot de>
- To: gcc-prs at gcc dot gnu dot org, aaronw at attbi dot com, gcc-bugs at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org, nobody at gcc dot gnu dot org
- Date: Tue, 20 May 2003 10:39:55 +0200
- Subject: Re: optimization/10876: [3.3/3.4 regression] [Sparc] internal compiler error on FP code
Redux: Compile with -O2
------------ cut --------------------------------------
void f(void)
{
unsigned int butterfly, block, offset;
double *Z;
for (block = 0; block < 512; block += 512) {
double T1re, T2re;
offset = butterfly + block;
T1re += T2re;
T2re = Z[offset] + T1re;
}
}
------------ cut --------------------------------------
This ICEs 3.3 and 3.4 as of 20030519. The ICE is a segfault in
calculate_giv_inc at unroll.c:1588.
--
THAT'S ALL FOLKS!