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| author | Michael Meissner <michael.meissner@amd.com> | 2008-05-14 20:07:53 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2008-05-14 20:07:53 +0000 |
| commit | 71d46ca56cb36baa54ec8a1de7cbc0fda9ae3245 (patch) | |
| tree | b9a9ff4a7540533104609eb87beb98cc4f84d114 /gcc/tree-vect-generic.c | |
| parent | 550c9cf0fe26d6da75cfaeea41a766fe69ddee4e (diff) | |
| download | gcc-71d46ca56cb36baa54ec8a1de7cbc0fda9ae3245.tar.gz | |
Add SSE5 vector shift/rotate; Update SSE5 vector multiply
Co-Authored-By: Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>
From-SVN: r135304
Diffstat (limited to 'gcc/tree-vect-generic.c')
| -rw-r--r-- | gcc/tree-vect-generic.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index a4026d6acf5..8313e54bdbc 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -437,7 +437,28 @@ expand_vector_operations_1 (block_stmt_iterator *bsi) || code == VEC_UNPACK_FLOAT_LO_EXPR) type = TREE_TYPE (TREE_OPERAND (rhs, 0)); - op = optab_for_tree_code (code, type); + /* Choose between vector shift/rotate by vector and vector shift/rotate by + scalar */ + if (code == LSHIFT_EXPR || code == RSHIFT_EXPR || code == LROTATE_EXPR + || code == RROTATE_EXPR) + { + /* If the 2nd argument is vector, we need a vector/vector shift */ + if (VECTOR_MODE_P (TYPE_MODE (TREE_TYPE (TREE_OPERAND (rhs, 1))))) + op = optab_for_tree_code (code, type, optab_vector); + + else + { + /* Try for a vector/scalar shift, and if we don't have one, see if we + have a vector/vector shift */ + op = optab_for_tree_code (code, type, optab_scalar); + if (!op + || (op->handlers[(int) TYPE_MODE (type)].insn_code + == CODE_FOR_nothing)) + op = optab_for_tree_code (code, type, optab_vector); + } + } + else + op = optab_for_tree_code (code, type, optab_default); /* For widening/narrowing vector operations, the relevant type is of the arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is @@ -458,7 +479,7 @@ expand_vector_operations_1 (block_stmt_iterator *bsi) if (op == NULL && code == NEGATE_EXPR && INTEGRAL_TYPE_P (TREE_TYPE (type))) - op = optab_for_tree_code (MINUS_EXPR, type); + op = optab_for_tree_code (MINUS_EXPR, type, optab_default); /* For very wide vectors, try using a smaller vector mode. */ compute_type = type; |