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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
| commit | 071b4126c613881f4cb25b4e5c39032964827f88 (patch) | |
| tree | 7ed805786566918630d1d617b1ed8f7310f5fd8e /gcc/c/c-fold.cc | |
| parent | 845d23f3ea08ba873197c275a8857eee7edad996 (diff) | |
| parent | caa1c2f42691d68af4d894a5c3e700ecd2dba080 (diff) | |
| download | gcc-devel/gfortran-test.zip gcc-devel/gfortran-test.tar.gz gcc-devel/gfortran-test.tar.bz2 | |
Merge branch 'master' into gfortran-testdevel/gfortran-test
Diffstat (limited to 'gcc/c/c-fold.cc')
| -rw-r--r-- | gcc/c/c-fold.cc | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc/c/c-fold.cc b/gcc/c/c-fold.cc index d54ab3c..3f6e4b46 100644 --- a/gcc/c/c-fold.cc +++ b/gcc/c/c-fold.cc @@ -369,7 +369,25 @@ c_fully_fold_internal (tree expr, bool in_init, bool *maybe_const_operands, || TREE_CODE (op1) != INTEGER_CST)) goto out; - if (op0 != orig_op0 || op1 != orig_op1 || in_init) + if (TREE_CODE_CLASS (code) == tcc_comparison + && TREE_CODE (TREE_TYPE (op0)) == NULLPTR_TYPE + && TREE_CODE (TREE_TYPE (op1)) == NULLPTR_TYPE) + { + switch (code) + { + case EQ_EXPR: + ret = constant_boolean_node (true, TREE_TYPE (expr)); + break; + case NE_EXPR: + ret = constant_boolean_node (false, TREE_TYPE (expr)); + break; + default: + gcc_unreachable (); + } + ret = omit_two_operands_loc (loc, TREE_TYPE (expr), ret, + op0, op1); + } + else if (op0 != orig_op0 || op1 != orig_op1 || in_init) ret = in_init ? fold_build2_initializer_loc (loc, code, TREE_TYPE (expr), op0, op1) : fold_build2_loc (loc, code, TREE_TYPE (expr), op0, op1); |