mips.h (MIPS_STACK_ALIGN): Implement using ROUND_UP macro.

	* config/mips/mips.h (MIPS_STACK_ALIGN): Implement using
	ROUND_UP macro.
	* config/mips/mips.c (mips_setup_incoming_varargs): Use
	ROUND_DOWN to calculate off.
	(mips_gimplify_va_arg_expr): Use ROUND_UP to calculate rsize.
	(mips_emit_probe_stack_range): Use ROUND_DOWN to calculate
	rounded_size.

From-SVN: r228829

gcc/ChangeLog

+2015-10-14  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/mips/mips.h (MIPS_STACK_ALIGN): Implement using
+	ROUND_UP macro.
+	* config/mips/mips.c (mips_setup_incoming_varargs): Use
+	ROUND_DOWN to calculate off.
+	(mips_gimplify_va_arg_expr): Use ROUND_UP to calculate rsize.
+	(mips_emit_probe_stack_range): Use ROUND_DOWN to calculate
+	rounded_size.
+
 2015-10-14  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gimplify.c (gimplify_addr_expr) <MEM_REF>: New case.

gcc/config/mips/mips.c

@@ -6080,7 +6080,7 @@ mips_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
 	  /* Set OFF to the offset from virtual_incoming_args_rtx of
 	     the first float register.  The FP save area lies below
 	     the integer one, and is aligned to UNITS_PER_FPVALUE bytes.  */
-	  off = (-gp_saved * UNITS_PER_WORD) & -UNITS_PER_FPVALUE;
+	  off = ROUND_DOWN (-gp_saved * UNITS_PER_WORD, UNITS_PER_FPVALUE);
 	  off -= fp_saved * UNITS_PER_FPREG;
 
 	  mode = TARGET_SINGLE_FLOAT ? SFmode : DFmode;
@@ -6444,7 +6444,7 @@ mips_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
 			unshare_expr (valist), f_gtop, NULL_TREE);
 	  off = build3 (COMPONENT_REF, TREE_TYPE (f_goff),
 			unshare_expr (valist), f_goff, NULL_TREE);
-	  rsize = (size + UNITS_PER_WORD - 1) & -UNITS_PER_WORD;
+	  rsize = ROUND_UP (size, UNITS_PER_WORD);
 	  if (rsize > UNITS_PER_WORD)
 	    {
 	      /* [1] Emit code for: off &= -rsize.	*/
@@ -11320,7 +11320,7 @@ mips_emit_probe_stack_range (HOST_WIDE_INT first, HOST_WIDE_INT size)
 
       /* Step 1: round SIZE to the previous multiple of the interval.  */
 
-      rounded_size = size & -PROBE_INTERVAL;
+      rounded_size = ROUND_DOWN (size, PROBE_INTERVAL);
 
 
       /* Step 2: compute initial and final value of the loop counter.  */

gcc/config/mips/mips.h

@@ -2486,7 +2486,7 @@ typedef struct mips_args {
 /* Treat LOC as a byte offset from the stack pointer and round it up
    to the next fully-aligned offset.  */
 #define MIPS_STACK_ALIGN(LOC) \
-  (TARGET_NEWABI ? ((LOC) + 15) & -16 : ((LOC) + 7) & -8)
+  (TARGET_NEWABI ? ROUND_UP ((LOC), 16) : ROUND_UP ((LOC), 8))
 
 
 /* Output assembler code to FILE to increment profiler label # LABELNO