From: Richard Sandiford <richard.sandiford@linaro.org>
Date: Wed, 3 Jan 2018 07:17:57 +0000 (+0000)
Subject: poly_int: set_inc_state
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b2e894a84ec130c7e8d849728720b29cae1c6063;p=gcc.git

poly_int: set_inc_state

This trivial patch makes auto-inc-dec.c:set_inc_state take a poly_int64.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/
	* auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
	rather than an int.

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

From-SVN: r256153
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 37737bcabd9..660d354e49a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
+	    Alan Hayward  <alan.hayward@arm.com>
+	    David Sherwood  <david.sherwood@arm.com>
+
+	* auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
+	rather than an int.
+
 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 	    Alan Hayward  <alan.hayward@arm.com>
 	    David Sherwood  <david.sherwood@arm.com>
diff --git a/gcc/auto-inc-dec.c b/gcc/auto-inc-dec.c
index db1bd5bba2c..93d97f0cd52 100644
--- a/gcc/auto-inc-dec.c
+++ b/gcc/auto-inc-dec.c
@@ -152,14 +152,14 @@ enum gen_form
 static rtx mem_tmp;
 
 static enum inc_state
-set_inc_state (HOST_WIDE_INT val, int size)
+set_inc_state (HOST_WIDE_INT val, poly_int64 size)
 {
   if (val == 0)
     return INC_ZERO;
   if (val < 0)
-    return (val == -size) ? INC_NEG_SIZE : INC_NEG_ANY;
+    return known_eq (val, -size) ? INC_NEG_SIZE : INC_NEG_ANY;
   else
-    return (val == size) ? INC_POS_SIZE : INC_POS_ANY;
+    return known_eq (val, size) ? INC_POS_SIZE : INC_POS_ANY;
 }
 
 /* The DECISION_TABLE that describes what form, if any, the increment