diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 59 |
1 files changed, 14 insertions, 45 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 2318b2859fc..eec4b8898c1 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -7538,50 +7538,6 @@ fold_fixed_mathfn (location_t loc, tree fndecl, tree arg) return NULL_TREE; } -/* Build a complex (inf +- 0i) for the result of cproj. TYPE is the - complex tree type of the result. If NEG is true, the imaginary - zero is negative. */ - -static tree -build_complex_cproj (tree type, bool neg) -{ - REAL_VALUE_TYPE rinf, rzero = dconst0; - - real_inf (&rinf); - rzero.sign = neg; - return build_complex (type, build_real (TREE_TYPE (type), rinf), - build_real (TREE_TYPE (type), rzero)); -} - -/* Fold call to builtin cproj, cprojf or cprojl with argument ARG. TYPE is the - return type. Return NULL_TREE if no simplification can be made. */ - -static tree -fold_builtin_cproj (location_t loc, tree arg, tree type) -{ - if (!validate_arg (arg, COMPLEX_TYPE) - || TREE_CODE (TREE_TYPE (TREE_TYPE (arg))) != REAL_TYPE) - return NULL_TREE; - - /* If there are no infinities, return arg. */ - if (! HONOR_INFINITIES (type)) - return non_lvalue_loc (loc, arg); - - /* Calculate the result when the argument is a constant. */ - if (TREE_CODE (arg) == COMPLEX_CST) - { - const REAL_VALUE_TYPE *real = TREE_REAL_CST_PTR (TREE_REALPART (arg)); - const REAL_VALUE_TYPE *imag = TREE_REAL_CST_PTR (TREE_IMAGPART (arg)); - - if (real_isinf (real) || real_isinf (imag)) - return build_complex_cproj (type, imag->sign); - else - return arg; - } - - return NULL_TREE; -} - /* Fold function call to builtin tan, tanf, or tanl with argument ARG. Return NULL_TREE if no simplification can be made. */ @@ -9504,7 +9460,20 @@ fold_builtin_1 (location_t loc, tree fndecl, tree arg0) break; CASE_FLT_FN (BUILT_IN_CPROJ): - return fold_builtin_cproj (loc, arg0, type); + if (TREE_CODE (arg0) == COMPLEX_CST + && TREE_CODE (TREE_TYPE (TREE_TYPE (arg0))) == REAL_TYPE) + { + const REAL_VALUE_TYPE *real + = TREE_REAL_CST_PTR (TREE_REALPART (arg0)); + const REAL_VALUE_TYPE *imag + = TREE_REAL_CST_PTR (TREE_IMAGPART (arg0)); + + if (real_isinf (real) || real_isinf (imag)) + return build_complex_inf (type, imag->sign); + else + return arg0; + } + break; CASE_FLT_FN (BUILT_IN_CSIN): if (validate_arg (arg0, COMPLEX_TYPE) |