diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2022-01-10 20:39:35 +0100 |
|---|---|---|
| committer | Uros Bizjak <ubizjak@gmail.com> | 2022-01-10 20:40:22 +0100 |
| commit | de0faa56a10406b50fba159957e3a3fd2f95c64b (patch) | |
| tree | 7581c1c8014e6653ed5cc27610112cffd2b1ddc0 /gcc | |
| parent | c173d880d651b9754f82af079e8d694418838a12 (diff) | |
| download | gcc-de0faa56a10406b50fba159957e3a3fd2f95c64b.zip gcc-de0faa56a10406b50fba159957e3a3fd2f95c64b.tar.gz gcc-de0faa56a10406b50fba159957e3a3fd2f95c64b.tar.bz2 | |
tree-optimization/103948 - detect vector vec_cmp in expand_vector_condition
Currently, expand_vector_condition detects only vcondMN and vconduMN
named RTX patterns. Teach it to also consider vec_cmpMN and vec_cmpuMN
RTX patterns when all ones vector is returned for true and all zeros vector
is returned for false.
2022-01-10 Richard Biener <rguenther@suse.de>
gcc/ChangeLog:
PR tree-optimization/103948
* tree-vect-generic.c (expand_vector_condition): Return true if
all ones vector is returned for true, all zeros vector for false
and the target defines corresponding vec_cmp{,u}MN named RTX pattern.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-generic.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 6afb699..5814a71 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1052,7 +1052,9 @@ expand_vector_condition (gimple_stmt_iterator *gsi, bitmap dce_ssa_names) } } - if (expand_vec_cond_expr_p (type, TREE_TYPE (a1), code)) + if (expand_vec_cond_expr_p (type, TREE_TYPE (a1), code) + || (integer_all_onesp (b) && integer_zerop (c) + && expand_vec_cmp_expr_p (type, TREE_TYPE (a1), code))) { gcc_assert (TREE_CODE (a) == SSA_NAME || TREE_CODE (a) == VECTOR_CST); return true; |