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author | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-04-11 00:09:35 +0000 |
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committer | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-04-11 00:09:35 +0000 |
commit | 3e6bc865e88020ba2650605936bff3dd57947f99 (patch) | |
tree | 0fa302f4379fe52efe787effc1171e8bc6322e1e /gcc/testsuite | |
parent | b2a72faeda2b6f88f9de7525da970f83451424f7 (diff) | |
download | gcc-3e6bc865e88020ba2650605936bff3dd57947f99.tar.gz |
PR tree-optimization/31343
* tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
(build_polynomial_chrec): Return a scalar when the evolution is zero.
* testsuite/gcc.dg/vect/pr31343.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123708 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr31343.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr31343.c b/gcc/testsuite/gcc.dg/vect/pr31343.c new file mode 100644 index 00000000000..856422221cf --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr31343.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ + +#define N 16 + +struct +{ + unsigned int x; + unsigned int y; +} pS [100]; + +void +main1 () +{ + int i, j; + unsigned int ub[N] = + { 1, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45 }; + unsigned int uc[N] = + { 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; + unsigned int udiffx, udiffy; + + for (i = 0; i < N; i++) + { + pS[i].x = 0; + pS[i].y = 0; + for (j = 0; j < N; j++) + { + udiffx = (ub[j] - uc[j]); + udiffy = (ub[j] - uc[j]); + pS[i].x = udiffx; + pS[i].y = udiffy; + } + } +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ |