From: Uros Bizjak <uros@gcc.gnu.org>
Date: Mon, 30 Oct 2017 10:33:40 +0000 (+0100)
Subject: re PR target/82725 ([x86_64] internal compiler error: in change_address_1, at emit... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5603c1d9db454cd1f2182f5de3a32c9d1c32497e;p=gcc.git

re PR target/82725 ([x86_64] internal compiler error: in change_address_1, at emit-rtl.c:2162)

	PR target/82725
	* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
	UNSPEC_DTPOFF and UNSPEC_NTPOFF with SImode immediate offset.

testsuite/ChangeLog:

	PR target/82725
	* g++.dg/pr82725.C: New test.

From-SVN: r254212
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 72e8e2b317f..ffbc1fb06c2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-10-30  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/82725
+	* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
+	UNSPEC_DTPOFF and UNSPEC_NTPOFF with SImode immediate offset.
+
 2017-10-29  Jim Wilson  <wilson@tuliptree.org>
 
 	* gimplify.c: Include tm_p.h.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index a66b433d78d..2de0dd0c283 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -15079,10 +15079,16 @@ legitimate_pic_address_disp_p (rtx disp)
 	    break;
 	  op0 = XEXP (XEXP (disp, 0), 0);
 	  op1 = XEXP (XEXP (disp, 0), 1);
-	  if (!CONST_INT_P (op1)
-	      || INTVAL (op1) >= 16*1024*1024
+	  if (!CONST_INT_P (op1))
+	    break;
+	  if (GET_CODE (op0) == UNSPEC
+	      && (XINT (op0, 1) == UNSPEC_DTPOFF
+		  || XINT (op0, 1) == UNSPEC_NTPOFF)
+	      && trunc_int_for_mode (INTVAL (op1), SImode) == INTVAL (op1))
+	    return true;
+	  if (INTVAL (op1) >= 16*1024*1024
 	      || INTVAL (op1) < -16*1024*1024)
-            break;
+	    break;
 	  if (GET_CODE (op0) == LABEL_REF)
 	    return true;
 	  if (GET_CODE (op0) == CONST
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cd3e7f5b01b..97338fdacd0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,8 +1,12 @@
+2017-10-30  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/82725
+	* g++.dg/pr82725.C: New test.
+
 2017-10-29  Jim Wilson  <wilson@tuliptree.org>
 
 	* lib/gcc-dg.exp (gcc-dg-debug-runtest): Delete -gcoff.
-	* lib/gfortran-dg.exp (gfortran-dg-debug-runtest): Delete
-	-gcoff.
+	* lib/gfortran-dg.exp (gfortran-dg-debug-runtest): Delete -gcoff.
 
 2017-10-28  Paolo Carlini  <paolo.carlini@oracle.com>
 
diff --git a/gcc/testsuite/g++.dg/pr82725.C b/gcc/testsuite/g++.dg/pr82725.C
new file mode 100644
index 00000000000..c92b28a3520
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr82725.C
@@ -0,0 +1,16 @@
+// { dg-do compile { target i?86-*-* x86_64-*-* } }
+// { dg-require-effective-target pie }
+// { dg-options "-O2 -fpie -mtls-direct-seg-refs" }
+
+struct string
+{
+  __SIZE_TYPE__ length;
+  const char *ptr;
+};
+
+string
+tempDir ()
+{
+  thread_local string cache;
+  return cache;
+}