poly_int: emit_inc

This patch changes the LRA emit_inc routine so that it takes
a poly_int64 rather than an int.

2017-12-21  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/
	* lra-constraints.c (emit_inc): Change inc_amount from an int
	to a poly_int64.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255923

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 30abd3dea011cd3163125affcd30c5f48145a7b8..f633487e528844f294396698cd61892e927c9baa 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-12-21  Richard Sandiford  <richard.sandiford@linaro.org>
+           Alan Hayward  <alan.hayward@arm.com>
+           David Sherwood  <david.sherwood@arm.com>
+
+       * lra-constraints.c (emit_inc): Change inc_amount from an int
+       to a poly_int64.
+
 2017-12-21  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index de45d2c0252f3cf00f64790684e35224179452bc..73ffba2c75fc2cd85c42e275224013f05d35e337 100644 (file)
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -3534,7 +3534,7 @@ process_address (int nop, bool check_only_p,
 
    Return pseudo containing the result.         */
 static rtx
-emit_inc (enum reg_class new_rclass, rtx in, rtx value, int inc_amount)
+emit_inc (enum reg_class new_rclass, rtx in, rtx value, poly_int64 inc_amount)
 {
   /* REG or MEM to be copied and incremented.  */
   rtx incloc = XEXP (value, 0);
@@ -3562,7 +3562,7 @@ emit_inc (enum reg_class new_rclass, rtx in, rtx value, int inc_amount)
       if (GET_CODE (value) == PRE_DEC || GET_CODE (value) == POST_DEC)
        inc_amount = -inc_amount;
 
-      inc = GEN_INT (inc_amount);
+      inc = gen_int_mode (inc_amount, GET_MODE (value));
     }
 
   if (! post && REG_P (incloc))