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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-65] Use CASE_CONVERT in a few more cases Date: Mon, 2 May 2022 06:06:14 +0000 (GMT) [thread overview] Message-ID: <20220502060614.B17903858D33@sourceware.org> (raw) https://gcc.gnu.org/g:82a344f206725ba002af4fed318f37dfb7e566a0 commit r13-65-g82a344f206725ba002af4fed318f37dfb7e566a0 Author: Richard Biener <rguenther@suse.de> Date: Wed Jan 12 10:42:32 2022 +0100 Use CASE_CONVERT in a few more cases This uses CASE_CONVERT more which eases eventual removal of NOP_EXPR. 2022-04-29 Richard Biener <rguenther@suse.de> gcc/cp/ * constexpr.cc (fold_simple_1): Use CASE_CONVERT. * cp-gimplify.cc (cp_fold): Likewise. * pt.cc (tsubst_copy): Likewise. gcc/ * dojump.cc (do_jump): Use CASE_CONVERT. * tree-ssa-dom.cc (edge_info::derive_equivalences): Likewise. Diff: --- gcc/cp/constexpr.cc | 3 +-- gcc/cp/cp-gimplify.cc | 3 +-- gcc/cp/pt.cc | 3 +-- gcc/dojump.cc | 4 +--- gcc/tree-ssa-dom.cc | 3 +-- 5 files changed, 5 insertions(+), 11 deletions(-) diff --git a/gcc/cp/constexpr.cc b/gcc/cp/constexpr.cc index 47d5113ace2..c40efa6cc4e 100644 --- a/gcc/cp/constexpr.cc +++ b/gcc/cp/constexpr.cc @@ -8016,9 +8016,8 @@ fold_simple_1 (tree t) case NEGATE_EXPR: case BIT_NOT_EXPR: case TRUTH_NOT_EXPR: - case NOP_EXPR: case VIEW_CONVERT_EXPR: - case CONVERT_EXPR: + CASE_CONVERT: case FLOAT_EXPR: case FIX_TRUNC_EXPR: case FIXED_CONVERT_EXPR: diff --git a/gcc/cp/cp-gimplify.cc b/gcc/cp/cp-gimplify.cc index e4c2644af15..b52d9cb5754 100644 --- a/gcc/cp/cp-gimplify.cc +++ b/gcc/cp/cp-gimplify.cc @@ -2451,9 +2451,8 @@ cp_fold (tree x) case VIEW_CONVERT_EXPR: rval_ops = false; /* FALLTHRU */ - case CONVERT_EXPR: - case NOP_EXPR: case NON_LVALUE_EXPR: + CASE_CONVERT: if (VOID_TYPE_P (TREE_TYPE (x))) { diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc index 81c3c598c71..e6006540e7a 100644 --- a/gcc/cp/pt.cc +++ b/gcc/cp/pt.cc @@ -17152,8 +17152,7 @@ tsubst_copy (tree t, tree args, tsubst_flags_t complain, tree in_decl) case STATIC_CAST_EXPR: case DYNAMIC_CAST_EXPR: case IMPLICIT_CONV_EXPR: - case CONVERT_EXPR: - case NOP_EXPR: + CASE_CONVERT: { tsubst_flags_t tcomplain = complain; if (code == CAST_EXPR) diff --git a/gcc/dojump.cc b/gcc/dojump.cc index 0c880d65338..17a73da7448 100644 --- a/gcc/dojump.cc +++ b/gcc/dojump.cc @@ -421,14 +421,12 @@ do_jump (tree exp, rtx_code_label *if_false_label, break; #endif - case NOP_EXPR: + CASE_CONVERT: if (TREE_CODE (TREE_OPERAND (exp, 0)) == COMPONENT_REF || TREE_CODE (TREE_OPERAND (exp, 0)) == BIT_FIELD_REF || TREE_CODE (TREE_OPERAND (exp, 0)) == ARRAY_REF || TREE_CODE (TREE_OPERAND (exp, 0)) == ARRAY_RANGE_REF) goto normal; - /* FALLTHRU */ - case CONVERT_EXPR: /* If we are narrowing the operand, we have to do the compare in the narrower mode. */ if ((TYPE_PRECISION (TREE_TYPE (exp)) diff --git a/gcc/tree-ssa-dom.cc b/gcc/tree-ssa-dom.cc index 4a0cf2ef54c..89b05171d57 100644 --- a/gcc/tree-ssa-dom.cc +++ b/gcc/tree-ssa-dom.cc @@ -220,8 +220,7 @@ edge_info::derive_equivalences (tree name, tree value, int recursion_limit) /* If LHS is an SSA_NAME and RHS is a constant integer and LHS was set via a widening type conversion, then we may be able to record additional equivalences. */ - case NOP_EXPR: - case CONVERT_EXPR: + CASE_CONVERT: { tree rhs = gimple_assign_rhs1 (def_stmt); tree rhs_type = TREE_TYPE (rhs);
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