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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eeda7d65504dcfc4a11239ac2fbf2ed37a568d28..9134a88e4221217433810ddc042930ad8cd0604c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+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.

diff --git a/gcc/df.h b/gcc/df.h
index 1533949829b7c2db6b43c44ea6c219cd9ff2401e..ca0f228c3e70be1eecbc1e62bfdda7dd11c0b593 100644 (file)
--- 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)