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[NDS32] Define CLZ_DEFINED_VALUE_AT_ZERO.

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gcc/
	* config/nds32/nds32.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.

From-SVN: r258627
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Chung-Ju Wu 2018-03-18 04:47:10 +00:00 committed by Chung-Ju Wu
parent 369c3be428
commit 24a711668b
2 changed files with 9 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2018-03-18 Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2018-03-17 Chung-Ju Wu <jasonwucj@gmail.com>
Kito Cheng <kito.cheng@gmail.com>

5
gcc/config/nds32/nds32.h
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@ -1066,6 +1066,11 @@ enum reg_class
when the condition is true. */
#define STORE_FLAG_VALUE 1
/* A C expression that indicates whether the architecture defines a value for
clz or ctz with a zero operand. In nds32 clz for 0 result 32 is defined
in ISA spec */
#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = 32, 1)
/* An alias for the machine mode for pointers. */
#define Pmode SImode