df.c (df_def_record_1, [...]): Don't use DF_FOR_REGALLOC.

	* df.c (df_def_record_1, df_uses_record): Don't use
	DF_FOR_REGALLOC.
	* df.h (DF_FOR_REGALLOC): Remove.

From-SVN: r94608

gcc/ChangeLog

+2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* df.c (df_def_record_1, df_uses_record): Don't use
+	DF_FOR_REGALLOC.
+	* df.h (DF_FOR_REGALLOC): Remove.
+
 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
 
 	PR c/19435

gcc/df.c

@@ -913,8 +913,7 @@ df_def_record_1 (struct df *df, rtx x, basic_block bb, rtx insn)
      be handy for the reg allocator.  */
   while (GET_CODE (dst) == STRICT_LOW_PART
 	 || GET_CODE (dst) == ZERO_EXTRACT
-	 || ((df->flags & DF_FOR_REGALLOC) == 0
-             && read_modify_subreg_p (dst)))
+	 || read_modify_subreg_p (dst))
     {
       /* Strict low part always contains SUBREG, but we do not want to make
 	 it appear outside, as whole register is always considered.  */
@@ -1025,8 +1024,7 @@ df_uses_record (struct df *df, rtx *loc, enum df_ref_type ref_type,
 	switch (GET_CODE (dst))
 	  {
 	    case SUBREG:
-	      if ((df->flags & DF_FOR_REGALLOC) == 0
-                  && read_modify_subreg_p (dst))
+	      if (read_modify_subreg_p (dst))
 		{
 		  df_uses_record (df, &SUBREG_REG (dst), DF_REF_REG_USE, bb,
 				  insn, DF_REF_READ_WRITE);

gcc/df.h

@@ -37,7 +37,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define DF_ALL		255
 #define DF_HARD_REGS	1024	/* Mark hard registers.  */
 #define DF_EQUIV_NOTES	2048	/* Mark uses present in EQUIV/EQUAL notes.  */
-#define DF_FOR_REGALLOC	4096    /* If called for the register allocator.  */
 
 enum df_ref_type {DF_REF_REG_DEF, DF_REF_REG_USE, DF_REF_REG_MEM_LOAD,
 		  DF_REF_REG_MEM_STORE};