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| author | Ira Rosen <irar@il.ibm.com> | 2010-06-14 12:22:13 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2010-06-14 12:22:13 +0000 |
| commit | c1e822d590c3841514118cc79284e466ac31125f (patch) | |
| tree | b0fa78dca1bcc6286458dff5972922cd0cf8557e /gcc/tree-vect-loop.c | |
| parent | 66919db5ac195aa7fe24af68c8f75222c952145e (diff) | |
| download | gcc-c1e822d590c3841514118cc79284e466ac31125f.zip gcc-c1e822d590c3841514118cc79284e466ac31125f.tar.gz gcc-c1e822d590c3841514118cc79284e466ac31125f.tar.bz2 | |
re PR tree-optimization/44507 (vectorization ANDs array elements together incorrectly)
PR tree-optimization/44507
* tree-vect-loop.c (get_initial_def_for_reduction): Use -1
to build initial vector for BIT_AND_EXPR.
* tree-vect-slp.c (vect_get_constant_vectors): Likewise.
From-SVN: r160727
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index ccddab3..3b38716 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -2871,12 +2871,15 @@ get_initial_def_for_reduction (gimple stmt, tree init_val, *adjustment_def = init_val; } - if (code == MULT_EXPR || code == BIT_AND_EXPR) + if (code == MULT_EXPR) { real_init_val = dconst1; int_init_val = 1; } + if (code == BIT_AND_EXPR) + int_init_val = -1; + if (SCALAR_FLOAT_TYPE_P (scalar_type)) def_for_init = build_real (scalar_type, real_init_val); else |