* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.

From-SVN: r101997

* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
From-SVN: r101997
09d8cc0e · Ian Lance Taylor · Ian Lance Taylor · df1f6f31 · 09d8cc0e · 09d8cc0e
Commit 09d8cc0e authored Jul 13, 2005 by Ian Lance Taylor Committed by Ian Lance Taylor Jul 13, 2005
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gcc/ChangeLog
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gcc/config/mips/mips.h
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2005-07-13  Ian Lance Taylor  <ian@airs.com>
+
+	* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
+
 2005-07-14  Jan Hubicka  <jh@suse.cz>

 	* tree-dfa.c (dump_variable): Use default_def function.

--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -1130,6 +1130,11 @@ extern const struct mips_rtx_cost_data *mips_cost;

 /* Define if loading short immediate values into registers sign extends.  */
 #define SHORT_IMMEDIATES_SIGN_EXTEND
+
+/* The [d]clz instructions have the natural values at 0.  */
+
+#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \
+  ((VALUE) = GET_MODE_BITSIZE (MODE), true)

 /* Standard register usage.  */