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[Bug rtl-optimization/46614] [4.5/4.6 Regression] gcc.dg/vect/vect-strided-u8-i8-gap4.c FAILs with -fno-rename-registers -fsched2-use-superblocks
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 22 Nov 2010 23:47:55 +0000
- Subject: [Bug rtl-optimization/46614] [4.5/4.6 Regression] gcc.dg/vect/vect-strided-u8-i8-gap4.c FAILs with -fno-rename-registers -fsched2-use-superblocks
- Auto-submitted: auto-generated
- References: <bug-46614-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46614
--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> 2010-11-22 23:47:55 UTC ---
Created attachment 22490
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22490
more reduced testcase
This one needs less flags, but it gives warnings with -Wall -W - though they
should be harmless.
$ gcc -O -fno-rename-registers -fsched2-use-superblocks -fschedule-insns2
-funroll-loops testcase2.c -Wall -W
testcase2.c: In function 'main1':
testcase2.c:30:13: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
testcase2.c:31:13: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
testcase2.c:38:20: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
$ ./a.out
Aborted