http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47046
Summary: gcc.target/i386/sse4_1-movntdqa.c ICEs with -fgraphite-identity Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassig...@gcc.gnu.org ReportedBy: howa...@nitro.med.uc.edu The gcc.target/i386/sse4_1-movntdqa.c test case ICEs the compiler when -fgraphite identity is used. Executing on host: /Users/howarth/darwin_objdir/gcc/xgcc -B/Users/howarth/darwin_objdir/gcc/ /Users/howarth/gcc/gcc/testsuite/gcc.target/i386/sse4_1-movntdqa.c -O2 -msse4.1 -lm -fgraphite-identity -o ./sse4_1-movntdqa.exe (timeout = 300) /Users/howarth/gcc/gcc/testsuite/gcc.target/i386/sse4_1-movntdqa.c: In function 'sse4_1_test': /Users/howarth/gcc/gcc/testsuite/gcc.target/i386/sse4_1-movntdqa.c:34:1: internal compiler error: in rename_uses, at sese.c:544 This backtraces as... Breakpoint 1, fancy_abort (file=0x1009aeb60 "../../gcc/gcc/sese.c", line=544, function=0x100a58414 "rename_uses") at ../../gcc/gcc/diagnostic.c:893 893 internal_error ("in %s, at %s:%d", function, trim_filename (file), line); (gdb) bt #0 fancy_abort (file=0x1009aeb60 "../../gcc/gcc/sese.c", line=544, function=0x100a58414 "rename_uses") at ../../gcc/gcc/diagnostic.c:893 #1 0x0000000100666c95 in copy_bb_and_scalar_dependences (bb=<value temporarily unavailable, due to optimizations>, region=0x143133ae0, next_e=<value temporarily unavailable, due to optimizations>, iv_map=0x14313f560) at ../../gcc/gcc/sese.c:543 (gdb) on x86_64-apple-darwin10 using r168197. Using built-in specs. COLLECT_GCC=dist/bin/gcc COLLECT_LTO_WRAPPER=/Users/howarth/dist/libexec/gcc/x86_64-apple-darwin10.5.0/4.6.0/lto-wrapper Target: x86_64-apple-darwin10.5.0 Configured with: ../gcc/configure --enable-checking=yes --prefix=/Users/howarth/dist --with-gmp=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw --with-libiconv-prefix=/sw --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --enable-languages=c --enable-checking=yes Thread model: posix gcc version 4.6.0 20101223 (experimental) (GCC)