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riscv-gcc-1
Commit 743ad76e by Richard Guenther Committed by Richard Biener
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fold-const.c (fold_comparison): Strip nops inside POINTER_PLUS_EXPR. 

2010-08-17  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_comparison): Strip nops inside
	POINTER_PLUS_EXPR.

From-SVN: r163298
parent 470301c5
Showing with 7 additions and 0 deletions
gcc/ChangeLog
2010-08-17 Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_comparison): Strip nops inside
POINTER_PLUS_EXPR.
2010-08-17 Shujing Zhao <pearly.zhao@oracle.com>
PR c/40563
......
gcc/fold-const.c
......@@ -8683,6 +8683,7 @@ fold_comparison (location_t loc, enum tree_code code, tree type,
else if (TREE_CODE (arg0) == POINTER_PLUS_EXPR)
{
base0 = TREE_OPERAND (arg0, 0);
STRIP_SIGN_NOPS (base0);
if (TREE_CODE (base0) == ADDR_EXPR)
{
base0 = TREE_OPERAND (base0, 0);
......@@ -8705,6 +8706,7 @@ fold_comparison (location_t loc, enum tree_code code, tree type,
else if (TREE_CODE (arg1) == POINTER_PLUS_EXPR)
{
base1 = TREE_OPERAND (arg1, 0);
STRIP_SIGN_NOPS (base1);
if (TREE_CODE (base1) == ADDR_EXPR)
{
base1 = TREE_OPERAND (base1, 0);
......
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