http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49199
Summary: [4.7 Regression] ICE: in
vect_create_epilog_for_reduction at
tree-vect-loop.c:3445 with -O -fno-tree-scev-cprop
-ftree-vectorize -funswitch-loops
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: [email protected]
ReportedBy: [email protected]
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 24378
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24378
reduced testcase
Compiler output:
$ gcc -O -fno-tree-scev-cprop -ftree-vectorize -funswitch-loops testcase.c
testcase.c: In function 'foo':
testcase.c:4:5: internal compiler error: vector VEC(tree,base) index domain
error, in vect_create_epilog_for_reduction at tree-vect-loop.c:3445
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r174319 - crash
4.6 r173059 - OK
