i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.

	* i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
	* alias.c (memrefs_conflict_p): Add braces to shut up warnings.
	* cse.c (cse_basic_block): Add parens to shut up warnings.

From-SVN: r21734

gcc/ChangeLog

+Fri Aug 14 14:12:59 1998  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
+	* alias.c (memrefs_conflict_p): Add braces to shut up warnings.
+	* cse.c (cse_basic_block): Add parens to shut up warnings.
+
 Fri Aug 14 12:58:21 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>
 
 	* config/sparc/sparc.c (sparc_emit_set_const64_quick2,
@@ -26,8 +32,8 @@ Fri Aug 14 21:52:53 1998  J"orn Rennecke <amylaar@cygnus.co.uk>
 
 Fri Aug 14 16:50:10 1998  John Carr  <jfc@mit.edu>
 
-	* genrecog.c (add_to_sequence): Fatal error if the modes of the operands
-	of SET are incompatible.
+	* genrecog.c (add_to_sequence): Fatal error if the modes of the
+	operands of SET are incompatible.
 
 	* alpha.md: Fix max and min patterns so modes of SET operands match.
 

gcc/alias.c

@@ -726,11 +726,14 @@ memrefs_conflict_p (xsize, x, ysize, y, c)
 	  if (rtx_equal_for_memref_p (x0, y0))
 	    return memrefs_conflict_p (xsize, x1, ysize, y1, c);
 	  if (GET_CODE (x1) == CONST_INT)
-	    if (GET_CODE (y1) == CONST_INT)
-	      return memrefs_conflict_p (xsize, x0, ysize, y0,
-					 c - INTVAL (x1) + INTVAL (y1));
-	    else
-	      return memrefs_conflict_p (xsize, x0, ysize, y, c - INTVAL (x1));
+	    {
+	      if (GET_CODE (y1) == CONST_INT)
+		return memrefs_conflict_p (xsize, x0, ysize, y0,
+					   c - INTVAL (x1) + INTVAL (y1));
+	      else
+		return memrefs_conflict_p (xsize, x0, ysize, y,
+					   c - INTVAL (x1));
+	    }
 	  else if (GET_CODE (y1) == CONST_INT)
 	    return memrefs_conflict_p (xsize, x, ysize, y0, c + INTVAL (y1));
 

gcc/config/i386/i386.h

@@ -664,8 +664,8 @@ extern int ix86_arch;
 
 #define MODES_TIEABLE_P(MODE1, MODE2)				\
   ((MODE1) == (MODE2)						\
-   || ((MODE1) == SImode && (MODE2) == HImode			\
-       || (MODE1) == HImode && (MODE2) == SImode))
+   || ((MODE1) == SImode && (MODE2) == HImode)			\
+   || ((MODE1) == HImode && (MODE2) == SImode))
 
 /* Specify the registers used for certain standard purposes.
    The values of these macros are register numbers.  */

gcc/cse.c

@@ -8647,7 +8647,7 @@ cse_basic_block (from, to, next_branch, around_loop)
 	     its destination is the result of the block and hence should be
 	     recorded.  */
 
-	  if (p = find_reg_note (insn, REG_LIBCALL, NULL_RTX))
+	  if ((p = find_reg_note (insn, REG_LIBCALL, NULL_RTX)))
 	    libcall_insn = XEXP (p, 0);
 	  else if (find_reg_note (insn, REG_RETVAL, NULL_RTX))
 	    libcall_insn = NULL_RTX;