From 9b858c880ba4ece0cc1842a7aa397783b8b7de06 Mon Sep 17 00:00:00 2001 From: Ira Rosen Date: Wed, 9 Nov 2011 06:41:59 +0000 Subject: re PR tree-optimization/51015 (ice in vect_determine_vectorization_factor with -O3) PR tree-optimization/51015 * tree-vect-loop.c (vect_determine_vectorization_factor): Expect vectype to be set for pattern def stmts. From-SVN: r181191 --- gcc/ChangeLog | 6 ++++++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/vect/pr51015.c | 19 +++++++++++++++++++ gcc/tree-vect-loop.c | 8 +++++--- 4 files changed, 35 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/vect/pr51015.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 00f5532..1c01e18 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-11-09 Ira Rosen + + PR tree-optimization/51015 + * tree-vect-loop.c (vect_determine_vectorization_factor): Expect + vectype to be set for pattern def stmts. + 2011-11-09 Alan Modra * function.c (bb_active_p): Delete. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0b7167b..80a3662 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-11-09 Ira Rosen + + PR tree-optimization/51015 + * gcc.dg/vect/pr51015.c: New test. + 2011-11-08 David S. Miller * lib/target-supports.exp (check_effective_target_sparc_vis): New. diff --git a/gcc/testsuite/gcc.dg/vect/pr51015.c b/gcc/testsuite/gcc.dg/vect/pr51015.c new file mode 100644 index 0000000..bc29b0b --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr51015.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ + +typedef unsigned long long __u64; +static __u64 ext2_max_sizes[16 - 10 + 1]; + +void e2fsck_pass1() +{ + int i; + __u64 max_sizes; + + for (i = 10; i <= 16; i++) { + max_sizes = 12 + (1ULL << ((i) - 2)); + max_sizes = max_sizes + (1ULL << ((i) - 2)) * (1ULL << ((i) - 2)); + max_sizes = max_sizes + (1ULL << ((i) - 2)) * (1ULL << ((i) - 2)) * (1ULL <<((i) - 2)); + ext2_max_sizes[i - 10] = max_sizes; + } +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index a209b4b..dca1c34 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -342,10 +342,12 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo) if (STMT_VINFO_VECTYPE (stmt_info)) { /* The only case when a vectype had been already set is for stmts - that contain a dataref, or for "pattern-stmts" (stmts generated - by the vectorizer to represent/replace a certain idiom). */ + that contain a dataref, or for "pattern-stmts" (stmts + generated by the vectorizer to represent/replace a certain + idiom). */ gcc_assert (STMT_VINFO_DATA_REF (stmt_info) - || is_pattern_stmt_p (stmt_info)); + || is_pattern_stmt_p (stmt_info) + || pattern_def); vectype = STMT_VINFO_VECTYPE (stmt_info); } else -- cgit v1.1