Use REG_SET macros

From-SVN: r14250

gcc/caller-save.c

@@ -357,8 +357,7 @@ save_call_clobbered_regs (insn_mode)
     {
       regset regs_live = basic_block_live_at_start[b];
       rtx prev_block_last = PREV_INSN (basic_block_head[b]);
-      REGSET_ELT_TYPE bit;
-      int offset, i, j;
+      int i, j;
       int regno;
 
       /* Compute hard regs live at start of block -- this is the

gcc/combine.c

@@ -740,8 +740,7 @@ set_nonzero_bits_and_sign_copies (x, set)
       && REGNO (x) >= FIRST_PSEUDO_REGISTER
       /* If this register is undefined at the start of the file, we can't
 	 say what its contents were.  */
-      && ! (basic_block_live_at_start[0][REGNO (x) / REGSET_ELT_BITS]
-	    & ((REGSET_ELT_TYPE) 1 << (REGNO (x) % REGSET_ELT_BITS)))
+      && ! REGNO_REG_SET_P (basic_block_live_at_start[0], REGNO (x))
       && GET_MODE_BITSIZE (GET_MODE (x)) <= HOST_BITS_PER_WIDE_INT)
     {
       if (set == 0 || GET_CODE (set) == CLOBBER)
@@ -2367,8 +2366,7 @@ try_combine (i3, i2, i1)
 	    regno = REGNO (i2dest);
 	    REG_N_SETS (regno)--;
 	    if (REG_N_SETS (regno) == 0
-		&& ! (basic_block_live_at_start[0][regno / REGSET_ELT_BITS]
-		      & ((REGSET_ELT_TYPE) 1 << (regno % REGSET_ELT_BITS))))
+		&& ! REGNO_REG_SET_P (basic_block_live_at_start[0], regno))
 	      REG_N_REFS (regno) = 0;
 	  }
       }
@@ -2390,8 +2388,7 @@ try_combine (i3, i2, i1)
 	  {
 	    REG_N_SETS (regno)--;
 	    if (REG_N_SETS (regno) == 0
-		&& ! (basic_block_live_at_start[0][regno / REGSET_ELT_BITS]
-		      & ((REGSET_ELT_TYPE) 1 << (regno % REGSET_ELT_BITS))))
+		&& ! REGNO_REG_SET_P (basic_block_live_at_start[0], regno))
 	      REG_N_REFS (regno) = 0;
 	  }
       }
@@ -10626,8 +10623,7 @@ reg_dead_at_p (reg, insn)
     }
 
   for (i = reg_dead_regno; i < reg_dead_endregno; i++)
-    if (basic_block_live_at_start[block][i / REGSET_ELT_BITS]
-	& ((REGSET_ELT_TYPE) 1 << (i % REGSET_ELT_BITS)))
+    if (REGNO_REG_SET_P (basic_block_live_at_start[block], i))
       return 0;
 
   return 1;

gcc/local-alloc.c

@@ -1181,8 +1181,7 @@ update_equiv_regs ()
 		       && GET_CODE (insn) == INSN
 		       && REG_BASIC_BLOCK (regno) < 0)
 		{
-		  int l, offset;
-		  REGSET_ELT_TYPE bit;
+		  int l;
 
 		  emit_insn_before (copy_rtx (PATTERN (equiv_insn)), insn);
 		  REG_NOTES (PREV_INSN (insn)) = REG_NOTES (equiv_insn);
@@ -1202,11 +1201,8 @@ update_equiv_regs ()
 		  if (block >= 0 && insn == basic_block_head[block])
 		    basic_block_head[block] = PREV_INSN (insn);
 
-		  offset = regno / REGSET_ELT_BITS;
-		  bit = ((REGSET_ELT_TYPE) 1
-			 << (regno % REGSET_ELT_BITS));
 		  for (l = 0; l < n_basic_blocks; l++)
-		    basic_block_live_at_start[l][offset] &= ~ bit;
+		    CLEAR_REGNO_REG_SET (basic_block_live_at_start[l], regno);
 		}
 	    }
 	}
@@ -1253,11 +1249,7 @@ block_alloc (b)
 
   /* Initialize table of hardware registers currently live.  */
 
-#ifdef HARD_REG_SET
-  regs_live = *basic_block_live_at_start[b];
-#else
-  COPY_HARD_REG_SET (regs_live, basic_block_live_at_start[b]);
-#endif
+  REG_SET_TO_HARD_REG_SET (regs_live, basic_block_live_at_start[b]);
 
   /* This loop scans the instructions of the basic block
      and assigns quantities to registers.

gcc/reload1.c

@@ -2092,9 +2092,8 @@ reload (first, global, dumpfile)
 
   if (! frame_pointer_needed)
     for (i = 0; i < n_basic_blocks; i++)
-      basic_block_live_at_start[i][HARD_FRAME_POINTER_REGNUM / REGSET_ELT_BITS]
-	&= ~ ((REGSET_ELT_TYPE) 1 << (HARD_FRAME_POINTER_REGNUM
-				      % REGSET_ELT_BITS));
+      CLEAR_REGNO_REG_SET (basic_block_live_at_start[i],
+			   HARD_FRAME_POINTER_REGNUM);
 
   /* Come here (with failure set nonzero) if we can't get enough spill regs
      and we decide not to abort about it.  */

gcc/sched.c

@@ -3436,9 +3436,8 @@ schedule_block (b, file)
 
   if (reload_completed == 0)
     {
-      bcopy ((char *) basic_block_live_at_start[b], (char *) bb_live_regs,
-	     regset_bytes);
-      bzero ((char *) bb_dead_regs, regset_bytes);
+      COPY_REG_SET (bb_live_regs, basic_block_live_at_start[b]);
+      CLEAR_REG_SET (bb_dead_regs);
 
       if (b == 0)
 	{