From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 30 May 2017 07:56:11 +0000 (+0200)
Subject: backport: re PR target/79197 (ICE in extract_insn in gcc/recog.c:2311)
X-Git-Tag: releases/gcc-5.5.0~272
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ed599f50d6c7a6b667c5315e33eed184c9b3b3d;p=thirdparty%2Fgcc.git

backport: re PR target/79197 (ICE in extract_insn in gcc/recog.c:2311)

	Backported from mainline
	2017-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/79197
	* config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
	(fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
	conditions on a single line.

	* gcc.target/powerpc/pr79197.c: New test.
	* gcc.c-torture/compile/pr79197.c: New test.

From-SVN: r248640
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 29623a10457a..760d4e02d783 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,13 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2017-02-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/79197
+	* config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
+	(fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
+	conditions on a single line.
+
 	2016-12-13  Jakub Jelinek  <jakub@redhat.com>
 
 	PR ipa/77905
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 7a8f6b5775ff..6ab47268be5a 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -6098,17 +6098,10 @@
   [(set_attr "length" "12")
    (set_attr "type" "fp")])
 
-(define_expand "fixuns_trunc<mode>di2"
-  [(set (match_operand:DI 0 "register_operand" "")
-	(unsigned_fix:DI (match_operand:SFDF 1 "register_operand" "")))]
-  "TARGET_HARD_FLOAT && (TARGET_FCTIDUZ || VECTOR_UNIT_VSX_P (<MODE>mode))"
-  "")
-
-(define_insn "*fixuns_trunc<mode>di2_fctiduz"
+(define_insn "fixuns_trunc<mode>di2"
   [(set (match_operand:DI 0 "gpc_reg_operand" "=d,wi")
 	(unsigned_fix:DI (match_operand:SFDF 1 "gpc_reg_operand" "<Ff>,<Fa>")))]
-  "TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FPRS
-    && TARGET_FCTIDUZ"
+  "TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT && TARGET_FPRS && TARGET_FCTIDUZ"
   "@
    fctiduz %0,%1
    xscvdpuxds %x0,%x1"
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4bc3ba0ca8d6..92bbd88b19d9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,6 +1,12 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2017-02-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/79197
+	* gcc.target/powerpc/pr79197.c: New test.
+	* gcc.c-torture/compile/pr79197.c: New test.
+
 	2017-01-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/78341
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr79197.c b/gcc/testsuite/gcc.c-torture/compile/pr79197.c
new file mode 100644
index 000000000000..f3ac71abdb31
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr79197.c
@@ -0,0 +1,10 @@
+/* PR target/79197 */
+
+unsigned long b;
+
+unsigned long
+foo (float *a, float *x)
+{
+  __builtin_memcpy (a, x, sizeof (float));
+  return *a;
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/pr79197.c b/gcc/testsuite/gcc.target/powerpc/pr79197.c
new file mode 100644
index 000000000000..659d76c15c15
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr79197.c
@@ -0,0 +1,11 @@
+/* PR target/79197 */
+/* { dg-do compile } */
+/* { dg-options "-O0 -mno-popcntd" } */
+
+unsigned a;
+
+void
+foo (void)
+{
+  a = *(double *) (__UINTPTR_TYPE__) 0x400000;
+}