From: Bernd Schmidt <bernds@codesourcery.com>
Date: Mon, 28 Jan 2013 20:03:26 +0000 (+0000)
Subject: re PR other/54814 (ICE: unable to find a register to spill in class 'R0_REG')
X-Git-Tag: releases/gcc-4.8.0~749
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=51e44392b3084a2bb00aa185f42f538a61c7befe;p=thirdparty%2Fgcc.git

re PR other/54814 (ICE: unable to find a register to spill in class 'R0_REG')

	PR other/54814
	* reload.c (find_valid_class_1): Use in_hard_reg_set_p instead of
	TEST_HARD_REG_BIT.

From-SVN: r195515
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cab97ef5553d..917986be8ad3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-01-28  Bernd Schmidt  <bernds@codesourcery.com>
+
+	PR other/54814
+	* reload.c (find_valid_class_1): Use in_hard_reg_set_p instead of
+	TEST_HARD_REG_BIT.
+
 2013-01-28  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/56117
diff --git a/gcc/reload.c b/gcc/reload.c
index fb1021cda453..889a6ccb3e15 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -707,7 +707,7 @@ find_valid_class (enum machine_mode outer ATTRIBUTE_UNUSED,
 }
 
 /* We are trying to reload a subreg of something that is not a register.
-   Find the largest class which has at least one register valid in
+   Find the largest class which contains only registers valid in
    mode MODE.  OUTER is the mode of the subreg, DEST_CLASS the class in
    which we would eventually like to obtain the object.  */
 
@@ -727,10 +727,12 @@ find_valid_class_1 (enum machine_mode outer ATTRIBUTE_UNUSED,
     {
       int bad = 0;
       for (regno = 0; regno < FIRST_PSEUDO_REGISTER && !bad; regno++)
-	if (TEST_HARD_REG_BIT (reg_class_contents[rclass], regno)
-	    && !HARD_REGNO_MODE_OK (regno, mode))
-	  bad = 1;
-
+	{
+	  if (in_hard_reg_set_p (reg_class_contents[rclass], mode, regno)
+	      && !HARD_REGNO_MODE_OK (regno, mode))
+	    bad = 1;
+	}
+      
       if (bad)
 	continue;