diff options
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index b1198e1..841da78 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -3185,9 +3185,22 @@ reduction_fn_for_scalar_code (code_helper code, internal_fn *reduc_fn) return true; default: - break; - } - return false; + return false; + } + else + switch (combined_fn (code)) + { + CASE_CFN_FMAX: + *reduc_fn = IFN_REDUC_FMAX; + return true; + + CASE_CFN_FMIN: + *reduc_fn = IFN_REDUC_FMIN; + return true; + + default: + return false; + } } /* If there is a neutral value X such that a reduction would not be affected @@ -3223,9 +3236,18 @@ neutral_op_for_reduction (tree scalar_type, code_helper code, return initial_value; default: - break; + return NULL_TREE; + } + else + switch (combined_fn (code)) + { + CASE_CFN_FMIN: + CASE_CFN_FMAX: + return initial_value; + + default: + return NULL_TREE; } - return NULL_TREE; } /* Error reporting helper for vect_is_simple_reduction below. GIMPLE statement @@ -3255,9 +3277,18 @@ needs_fold_left_reduction_p (tree type, code_helper code) return false; default: - break; + return !flag_associative_math; + } + else + switch (combined_fn (code)) + { + CASE_CFN_FMIN: + CASE_CFN_FMAX: + return false; + + default: + return !flag_associative_math; } - return !flag_associative_math; } if (INTEGRAL_TYPE_P (type)) |