From: Segher Boessenkool <segher@kernel.crashing.org>
Date: Tue, 12 Jul 2016 15:13:47 +0000 (+0200)
Subject: backport: re PR target/70098 (PowerPC64: eigen hits ICE following invalid register... 
X-Git-Tag: releases/gcc-5.5.0~972
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=802cf37f415bdce34287019845c93424bedc2670;p=thirdparty%2Fgcc.git

backport: re PR target/70098 (PowerPC64: eigen hits ICE following invalid register assignment)

	Backport from mainline
	2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/70098
	PR target/71763
	* config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
	*ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
	constraint.

gcc/testsuite/
	PR target/70098
	PR target/71763
	* gcc.target/powerpc/pr71763.c: New file.

From-SVN: r238251
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 755d94362157..3e640861e537 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2016-07-12  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	Backport from mainline
+	2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/70098
+	PR target/71763
+	* config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
+	*ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
+	constraint.
+
 2016-07-08  Martin Liska  <mliska@suse.cz>
 
 	Backported from mainline
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 114bc96f7b0a..20580591a68a 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -12987,7 +12987,7 @@
 			  (const_int 1))
 		      (label_ref (match_operand 0 "" ""))
 		      (pc)))
-   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*c*l")
+   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
 	(plus:P (match_dup 1)
 		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x,&x"))
@@ -13011,7 +13011,7 @@
 			  (const_int 1))
 		      (pc)
 		      (label_ref (match_operand 0 "" ""))))
-   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*c*l")
+   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
 	(plus:P (match_dup 1)
 		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x,&x"))
@@ -13037,7 +13037,7 @@
 			  (const_int 1))
 		      (label_ref (match_operand 0 "" ""))
 		      (pc)))
-   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*c*l")
+   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
 	(plus:P (match_dup 1)
 		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x,&x"))
@@ -13061,7 +13061,7 @@
 			  (const_int 1))
 		      (pc)
 		      (label_ref (match_operand 0 "" ""))))
-   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*c*l")
+   (set (match_operand:P 2 "nonimmediate_operand" "=1,*r,m,*d*wi*c*l")
 	(plus:P (match_dup 1)
 		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x,&x"))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 482fdbbe0a71..2956de57444a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2016-07-12  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	Backport from mainline
+	2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/70098
+	PR target/71763
+	* gcc.target/powerpc/pr71763.c: New file.
+
 2016-07-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	Backport from trunk:
diff --git a/gcc/testsuite/gcc.target/powerpc/pr71763.c b/gcc/testsuite/gcc.target/powerpc/pr71763.c
new file mode 100644
index 000000000000..7910a90b9880
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr71763.c
@@ -0,0 +1,27 @@
+// PR target/71763
+// { dg-do compile }
+// { dg-options "-O1 -mvsx" }
+// { dg-xfail-if "PR70098" { lp64 && powerpc64_no_dm } }
+// { dg-prune-output ".*internal compiler error.*" }
+
+int a, b;
+float c;
+
+void fn2(void);
+
+void fn1(void)
+{
+        long d;
+
+        for (d = 3; d; d--) {
+                for (a = 0; a <= 1; a++) {
+                        b &= 1;
+                        if (b) {
+                                for (;;) {
+                                        fn2();
+                                        c = d;
+                                }
+                        }
+                }
+        }
+}