------- Comment #3 from janis at gcc dot gnu dot org 2009-01-30 20:48 ------- Created an attachment (id=17215) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17215&action=view) expanded testcase
I expanded the testcase to test both constant folding and runtime calculations for all three decimal float types. The problem occurs with 4.3.3 and mainline. Test results for trunk and 4.3 for powerpc64-linux and x86-linux (bid and dpd): elm3b187% uname -m ppc64 elm3b187% /opt/gcc-nightly/trunk/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted elm3b187% /opt/gcc-nightly/4.3/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted laptop% uname -m i686 laptop% /home/janis/tools/gcc-trunk-bid/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted (core dumped) laptop% /home/janis/tools/gcc-trunk-dpd/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted (core dumped) laptop% /home/janis/tools/gcc-4.3.3-bid/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted (core dumped) laptop% /home/janis/tools/gcc-4.3.3-dpd/bin/gcc -DDBG -O2 -std=gnu99 39035.c && ./a.out line 49: 0.0DF should be zero line 56: 0.0DD should be zero line 63: 0.0DL should be zero Aborted (core dumped) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39035
