From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 24 Apr 2018 13:20:20 +0000 (+0200)
Subject: re PR target/85508 (runtime error in config/i386/i386.c)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1704194ae7485f7faca06c026fbfc33233feae1d;p=gcc.git

re PR target/85508 (runtime error in config/i386/i386.c)

	PR target/85508
	* config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL
	instead of INTVAL when shifting x left.

	* gcc.target/i386/pr85508.c: New test.

From-SVN: r259594
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dcf0d0b9a43..767455fb4ee 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-04-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85508
+	* config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL
+	instead of INTVAL when shifting x left.
+
 2018-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
 
 	PR tree-optimization/85478
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 19d1c30514d..fada22bba70 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -43194,7 +43194,7 @@ ix86_expand_vector_init_one_var (bool mmx_ok, machine_mode mode,
       else
 	{
 	  var = convert_modes (HImode, QImode, var, true);
-	  x = gen_int_mode (INTVAL (x) << 8, HImode);
+	  x = gen_int_mode (UINTVAL (x) << 8, HImode);
 	}
       if (x != const0_rtx)
 	var = expand_simple_binop (HImode, IOR, var, x, var,
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8c92593cac9..65c4d6144bc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-04-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85508
+	* gcc.target/i386/pr85508.c: New test.
+
 2018-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
 
 	PR tree-optimization/85478
diff --git a/gcc/testsuite/gcc.target/i386/pr85508.c b/gcc/testsuite/gcc.target/i386/pr85508.c
new file mode 100644
index 00000000000..a75a38f101e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr85508.c
@@ -0,0 +1,12 @@
+/* PR target/85508 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -msse2" } */
+
+typedef signed char V __attribute__((vector_size (16)));
+signed char c;
+
+V
+foo (void)
+{
+  return (V) { c, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
+}