From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 28 Feb 2017 16:24:56 +0000 (+0100)
Subject: re PR target/79729 (ICE in ix86_print_operand, at config/i386/i386.c:18231)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8a915b876abe5c82bb3efd0420ceb8d8f3faf988;p=gcc.git

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

	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: r245781
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 17acce53557..135f1f6a429 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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.
+
 2017-02-28  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/79740
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 33ad0f1f0ec..b35b56cbdcf 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -18234,7 +18234,8 @@ 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 a09eb286c97..dec6d0d6c66 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-02-28  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/79729
+	* gcc.target/i386/pr79729.c: New test.
+
 2017-02-28  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/79740
diff --git a/gcc/testsuite/gcc.target/i386/pr79729.c b/gcc/testsuite/gcc.target/i386/pr79729.c
new file mode 100644
index 00000000000..4e6f500b304
--- /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" } */
+}