diff options
| author | Cong Hou <congh@google.com> | 2014-04-24 20:20:44 -0400 |
|---|---|---|
| committer | Cong Hou <congh@gcc.gnu.org> | 2014-04-24 20:20:44 -0400 |
| commit | 56f8faaeddc1962326641374cfd3888b00706dac (patch) | |
| tree | 6b19b1e15052fb164e0c0ddbd02376c4a36692e4 /gcc | |
| parent | 9beb6f2b1db928682f33b45ab5dffaaf9320d9f1 (diff) | |
| download | gcc-56f8faaeddc1962326641374cfd3888b00706dac.zip gcc-56f8faaeddc1962326641374cfd3888b00706dac.tar.gz gcc-56f8faaeddc1962326641374cfd3888b00706dac.tar.bz2 | |
re PR tree-optimization/60896 (ICE: in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1449)
2014-04-24 Cong Hou <congh@google.com>
PR tree-optimization/60896
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Pick up
all statements in PATTERN_DEF_SEQ in recognized widen-mult pattern.
(vect_mark_pattern_stmts): Set the def type of all statements in
PATTERN_DEF_SEQ as vect_internal_def.
2014-04-24 Cong Hou <congh@google.com>
PR tree-optimization/60896
* g++.dg/vect/pr60896.cc: New test.
From-SVN: r209773
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/vect/pr60896.cc | 44 | ||||
| -rw-r--r-- | gcc/tree-vect-patterns.c | 5 |
4 files changed, 60 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3d594d..3eb5c43 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2014-04-24 Cong Hou <congh@google.com> + + PR tree-optimization/60896 + * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Pick up + all statements in PATTERN_DEF_SEQ in recognized widen-mult pattern. + (vect_mark_pattern_stmts): Set the def type of all statements in + PATTERN_DEF_SEQ as vect_internal_def. + 2014-04-24 Michael Meissner <meissner@linux.vnet.ibm.com> * doc/extend.texi (PowerPC Built-in Functions): Document new diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 9906c94..0191262 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-04-24 Cong Hou <congh@google.com> + + PR tree-optimization/60896 + * g++.dg/vect/pr60896.cc: New test. + 2014-04-24 Michael Meissner <meissner@linux.vnet.ibm.com> * gcc.target/powerpc/pack01.c: New test to test the new pack and diff --git a/gcc/testsuite/g++.dg/vect/pr60896.cc b/gcc/testsuite/g++.dg/vect/pr60896.cc new file mode 100644 index 0000000..c6ce68b --- /dev/null +++ b/gcc/testsuite/g++.dg/vect/pr60896.cc @@ -0,0 +1,44 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +struct A +{ + int m_fn1 (); + short *m_fn2 (); +}; + +struct B +{ + void *fC; +}; + +int a, b; +unsigned char i; +void fn1 (unsigned char *p1, A &p2) +{ + int c = p2.m_fn1 (); + for (int d = 0; c; d++) + { + short *e = p2.m_fn2 (); + unsigned char *f = &p1[0]; + for (int g = 0; g < a; g++) + { + int h = e[0]; + b += h * f[g]; + } + } +} + +void fn2 (A &p1, A &p2, B &p3) +{ + int j = p2.m_fn1 (); + for (int k = 0; j; k++) + if (0) + ; + else + fn1 (&i, p1); + if (p3.fC) + ; + else + ; +} diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c index 5daaf24..365cf01 100644 --- a/gcc/tree-vect-patterns.c +++ b/gcc/tree-vect-patterns.c @@ -392,6 +392,8 @@ vect_recog_dot_prod_pattern (vec<gimple> *stmts, tree *type_in, gcc_assert (STMT_VINFO_DEF_TYPE (stmt_vinfo) == vect_internal_def); oprnd00 = gimple_assign_rhs1 (stmt); oprnd01 = gimple_assign_rhs2 (stmt); + STMT_VINFO_PATTERN_DEF_SEQ (vinfo_for_stmt (last_stmt)) + = STMT_VINFO_PATTERN_DEF_SEQ (stmt_vinfo); } else { @@ -3065,8 +3067,7 @@ vect_mark_pattern_stmts (gimple orig_stmt, gimple pattern_stmt, } gimple_set_bb (def_stmt, gimple_bb (orig_stmt)); STMT_VINFO_RELATED_STMT (def_stmt_info) = orig_stmt; - STMT_VINFO_DEF_TYPE (def_stmt_info) - = STMT_VINFO_DEF_TYPE (orig_stmt_info); + STMT_VINFO_DEF_TYPE (def_stmt_info) = vect_internal_def; if (STMT_VINFO_VECTYPE (def_stmt_info) == NULL_TREE) STMT_VINFO_VECTYPE (def_stmt_info) = pattern_vectype; } |