df.h (DF_REF_REG_USE_P, [...]): Remove null checks.

gcc/ * df.h (DF_REF_REG_USE_P, DF_MWS_REG_USE_P): Remove null checks. From-SVN: r211684

df.h (DF_REF_REG_USE_P, [...]): Remove null checks.
gcc/ * df.h (DF_REF_REG_USE_P, DF_MWS_REG_USE_P): Remove null checks. From-SVN: r211684
3bb5c996 · Richard Sandiford · Richard Sandiford · b512946c · 3bb5c996 · 3bb5c996
Commit 3bb5c996 authored Jun 15, 2014 by Richard Sandiford Committed by Richard Sandiford Jun 15, 2014
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Showing with 6 additions and 2 deletions

gcc/ChangeLog
+4 -0

gcc/df.h
+2 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2014-06-15  Richard Sandiford  <rdsandiford@googlemail.com>

+	* df.h (DF_REF_REG_USE_P, DF_MWS_REG_USE_P): Remove null checks.
+
+2014-06-15  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* df.h (df_mw_hardreg, df_base_ref): Add a link pointer.
 	(df_insn_info): Turn defs, uses, eq_uses and mw_hardregs into linked
 	lists.

--- a/gcc/df.h
+++ b/gcc/df.h
@@ -678,14 +678,14 @@ struct df_d

 /* Macros to determine the reference type.  */
 #define DF_REF_REG_DEF_P(REF) (DF_REF_TYPE (REF) == DF_REF_REG_DEF)
-#define DF_REF_REG_USE_P(REF) ((REF) && !DF_REF_REG_DEF_P (REF))
+#define DF_REF_REG_USE_P(REF) (!DF_REF_REG_DEF_P (REF))
 #define DF_REF_REG_MEM_STORE_P(REF) (DF_REF_TYPE (REF) == DF_REF_REG_MEM_STORE)
 #define DF_REF_REG_MEM_LOAD_P(REF) (DF_REF_TYPE (REF) == DF_REF_REG_MEM_LOAD)
 #define DF_REF_REG_MEM_P(REF) (DF_REF_REG_MEM_STORE_P (REF) \
                               || DF_REF_REG_MEM_LOAD_P (REF))

 #define DF_MWS_REG_DEF_P(MREF) (DF_MWS_TYPE (MREF) == DF_REF_REG_DEF)
-#define DF_MWS_REG_USE_P(MREF) ((MREF) && !DF_MWS_REG_DEF_P (MREF))
+#define DF_MWS_REG_USE_P(MREF) (!DF_MWS_REG_DEF_P (MREF))
 #define DF_MWS_NEXT(MREF) ((MREF)->next)
 #define DF_MWS_TYPE(MREF) ((MREF)->type)