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[PATCH]: cleanup for conversion exprs code patterns (6/16)
- From: tomby at atrey dot karlin dot mff dot cuni dot cz (Tomas Bily)
- To: gcc-patches at gcc dot gnu dot org
- Cc: tomby at ucw dot cz,tbily at suse dot cz
- Date: Mon, 31 Mar 2008 16:49:38 +0200 (CEST)
- Subject: [PATCH]: cleanup for conversion exprs code patterns (6/16)
Hi,
this series of patches is doing small cleanup in using conversion
expressions code patterns. There is a lot of duplicate code patterns
for conversion expressions (CONVERT_EXPR, NOP_EXPR, NON_LVALUE_EXPR)
that can be substituted by macro. Patterns are:
(TREE_CODE (EXP) == NOP_EXPR || TREE_CODE (EXP) == CONVERT_EXPR)
-> TEST_CONVERT_NOPS_P(EXP)
(TREE_CODE (EXP) == NOP_EXPR || TREE_CODE (EXP) == CONVERT_EXPR
|| TREE_CODE (EXP) == NON_LVALUE_EXPR)
-> TEST_NOPS_P(EXP)
case NOP_EXPR: case CONVERT_EXPR
-> CASE_CONVERT_NOPS
case NOP_EXPR: case CONVERT_EXPR: case NON_LVALUE_EXPR
-> CASE_NOPS
while (TREE_CODE (EXP) == NOP_EXPR
|| TREE_CODE (EXP) == CONVERT_EXPR
|| TREE_CODE (EXP) == NON_LVALUE_EXPR)
(EXP) = TREE_OPERAND (EXP, 0)
-> STRIP_NOPS_UNSAFE(EXP)
-> means replaced by
Patch 1: Add new macros (TEST_CONVERT_NOPS_P(EXP), TEST_NOPS_P(EXP),
CASE_CONVERT_NOPS, CASE_NOPS, STRIP_NOPS_UNSAFE(EXP)).
Patch 2-4: Add support of TEST_CONVERT_NOPS_P.
Patch 5-8: Add support of TEST_NOPS_P.
Patch 9-11: Add support of CASE_CONVERT_NOPS.
Patch 12-13: Add support of CASE_NOPS.
Patch 14-16: Add support of STRIP_NOPS_UNSAFE.
Bootstraped and tested on x86_64 x86_64 GNU/Linux.
Ok?
Greetings
Tomas
Patch 6
Changelog:
2008-03-13 Tomas Bily <tbily@suse.cz>
* objc-act.c (objc_generate_write_barrier): Use TEST_NOPS_P.
Index: gcc/objc/objc-act.c
===================================================================
--- gcc/objc/objc-act.c (revision 132974)
+++ gcc/objc/objc-act.c (working copy)
@@ -3164,9 +3164,7 @@ objc_generate_write_barrier (tree lhs, e
outer = TREE_OPERAND (lhs, 0);
while (!strong_cast_p
- && (TREE_CODE (outer) == CONVERT_EXPR
- || TREE_CODE (outer) == NOP_EXPR
- || TREE_CODE (outer) == NON_LVALUE_EXPR))
+ && TEST_NOPS_P (outer))
{
tree lhstype = TREE_TYPE (outer);