diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr68595.c | 13 | ||||
| -rw-r--r-- | gcc/tree-vect-stmts.c | 20 |
4 files changed, 43 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4dd84c7..48256e9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-01 Ilya Enkovich <enkovich.gnu@gmail.com> + + PR middle-end/68595 + * tree-vect-stmts.c (vect_init_vector): Cast boolean + scalars to a proper value before building a vector. + 2015-12-01 Richard Sandiford <richard.sandiford@arm.com> * genattrtab.c (check_attr_test): Take an attr_desc instead of diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e79db4e..07a9e52 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-12-01 Ilya Enkovich <enkovich.gnu@gmail.com> + + PR middle-end/68595 + * gcc.dg/pr68595.c: New test. + 2015-12-01 Christian Bruel <christian.bruel@st.com> * gcc.target/arm/ftest-armv6-thumb.c: Remove NEED_ARM_FEATURE_UNALIGNED. diff --git a/gcc/testsuite/gcc.dg/pr68595.c b/gcc/testsuite/gcc.dg/pr68595.c new file mode 100644 index 0000000..179c6c3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr68595.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +int a, b; +char c; +void fn1() { + b = 30; + for (; b <= 32; b++) { + c = -17; + for (; c <= 56; c++) + a -= 0 == (c || b); + } +} diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 3b078da..5bb2289 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -1300,7 +1300,25 @@ vect_init_vector (gimple *stmt, tree val, tree type, gimple_stmt_iterator *gsi) { if (!types_compatible_p (TREE_TYPE (type), TREE_TYPE (val))) { - if (CONSTANT_CLASS_P (val)) + /* Scalar boolean value should be transformed into + all zeros or all ones value before building a vector. */ + if (VECTOR_BOOLEAN_TYPE_P (type)) + { + tree true_val = build_zero_cst (TREE_TYPE (type)); + tree false_val = build_all_ones_cst (TREE_TYPE (type)); + + if (CONSTANT_CLASS_P (val)) + val = integer_zerop (val) ? false_val : true_val; + else + { + new_temp = make_ssa_name (TREE_TYPE (type)); + init_stmt = gimple_build_assign (new_temp, COND_EXPR, + val, true_val, false_val); + vect_init_vector_1 (stmt, init_stmt, gsi); + val = new_temp; + } + } + else if (CONSTANT_CLASS_P (val)) val = fold_convert (TREE_TYPE (type), val); else { |