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| author | Richard Biener <rguenther@suse.de> | 2015-10-19 13:58:27 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2015-10-19 13:58:27 +0000 |
| commit | 4534c2032ba23be0a1f6b74ea2e23bc94df0cb81 (patch) | |
| tree | ab6e2c78aa78e165e6c5f5307a23b2f3a4fa5fff /gcc/builtins.c | |
| parent | 1c6e3c3e2ce560e555ba7d75a22179757a3c6489 (diff) | |
| download | gcc-4534c2032ba23be0a1f6b74ea2e23bc94df0cb81.zip gcc-4534c2032ba23be0a1f6b74ea2e23bc94df0cb81.tar.gz gcc-4534c2032ba23be0a1f6b74ea2e23bc94df0cb81.tar.bz2 | |
gimple-fold.c (gimple_phi_nonnegative_warnv_p): New function.
2015-10-19 Richard Biener <rguenther@suse.de>
* gimple-fold.c (gimple_phi_nonnegative_warnv_p): New function.
(gimple_stmt_nonnegative_warnv_p): Use it.
* match.pd (CPROJ): New operator list.
(cproj (complex ...)): Move simplifications from ...
* builtins.c (fold_builtin_cproj): ... here.
* gcc.dg/torture/builtin-cproj-1.c: Skip for -O0.
From-SVN: r228970
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index b4ac535..50ed7c6 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -7657,33 +7657,6 @@ fold_builtin_cproj (location_t loc, tree arg, tree type) else return arg; } - else if (TREE_CODE (arg) == COMPLEX_EXPR) - { - tree real = TREE_OPERAND (arg, 0); - tree imag = TREE_OPERAND (arg, 1); - - STRIP_NOPS (real); - STRIP_NOPS (imag); - - /* If the real part is inf and the imag part is known to be - nonnegative, return (inf + 0i). Remember side-effects are - possible in the imag part. */ - if (TREE_CODE (real) == REAL_CST - && real_isinf (TREE_REAL_CST_PTR (real)) - && tree_expr_nonnegative_p (imag)) - return omit_one_operand_loc (loc, type, - build_complex_cproj (type, false), - arg); - - /* If the imag part is inf, return (inf+I*copysign(0,imag)). - Remember side-effects are possible in the real part. */ - if (TREE_CODE (imag) == REAL_CST - && real_isinf (TREE_REAL_CST_PTR (imag))) - return - omit_one_operand_loc (loc, type, - build_complex_cproj (type, TREE_REAL_CST_PTR - (imag)->sign), arg); - } return NULL_TREE; } |