From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 30 May 2017 08:06:28 +0000 (+0200)
Subject: backport: re PR target/79729 (ICE in ix86_print_operand, at config/i386/i386.c:18231)
X-Git-Tag: releases/gcc-5.5.0~261
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62b3732dd5d251d9e972568beb2e3051718114d0;p=thirdparty%2Fgcc.git

backport: re PR target/79729 (ICE in ix86_print_operand, at config/i386/i386.c:18231)

	Backported from mainline
	2017-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/79729
	* config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
	gcc_unreachable with output_operand_lossage.

	* gcc.target/i386/pr79729.c: New test.

From-SVN: r248652
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 29359b73d0d7..ad692eb55f35 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,12 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2017-02-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/79729
+	* config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
+	gcc_unreachable with output_operand_lossage.
+
 	2017-02-25  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/79396
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index bdd91dc6d170..0fd46a7f2175 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -15955,7 +15955,8 @@ ix86_print_operand (FILE *file, rtx x, int code)
 	      fputs ("{rz-sae}", file);
 	      break;
 	    default:
-	      gcc_unreachable ();
+	      output_operand_lossage ("operand is not a specific integer, "
+				      "invalid operand code 'R'");
 	    }
 
 	  if (ASSEMBLER_DIALECT == ASM_ATT)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 06771821c0d3..5a0617d211ad 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,6 +1,11 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2017-02-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/79729
+	* gcc.target/i386/pr79729.c: New test.
+
 	2017-02-25  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/79396
diff --git a/gcc/testsuite/gcc.target/i386/pr79729.c b/gcc/testsuite/gcc.target/i386/pr79729.c
new file mode 100644
index 000000000000..4e6f500b3048
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr79729.c
@@ -0,0 +1,8 @@
+/* PR target/79729 */
+/* { dg-do compile } */
+
+void
+foo (int x)
+{
+  __asm__ volatile ("# %R0" : : "n" (129));	/* { dg-error "invalid operand code" } */
+}