re PR target/69255 (ICE on x86_64-linux-gnu in "emit_move_insn")

	PR target/69255
	* config/i386/i386.c (ix86_expand_builtin): For builtin with
	unsupported or unknown ISA, use expand_call.

	* gcc.target/i386/pr69255-1.c: New test.
	* gcc.target/i386/pr69255-2.c: New test.
	* gcc.target/i386/pr69255-3.c: New test.

From-SVN: r240014

6 files changed, 66 insertions, 2 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e23891e..7fb0212 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/69255
+	* config/i386/i386.c (ix86_expand_builtin): For builtin with
+	unsupported or unknown ISA, use expand_call.
+
 2016-09-06  Martin Liska  <mliska@suse.cz>
 
 	PR gcov-profile/77378
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index dc92f9b..0160829 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -36107,7 +36107,7 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget,
 	  error ("%qE needs isa option %s", fndecl, opts);
 	  free (opts);
 	}
-      return const0_rtx;
+      return expand_call (exp, target, ignore);
     }
 
   switch (fcode)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4e24658..6077420 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,4 +1,11 @@
-2016-09-06 Martin Sebor  <msebor@redhat.com>
+2016-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/69255
+	* gcc.target/i386/pr69255-1.c: New test.
+	* gcc.target/i386/pr69255-2.c: New test.
+	* gcc.target/i386/pr69255-3.c: New test.
+
+2016-09-06  Martin Sebor  <msebor@redhat.com>
 
 	PR c/77336
 	* gcc.dg/format/miss-7.c: New test.
diff --git a/gcc/testsuite/gcc.target/i386/pr69255-1.c b/gcc/testsuite/gcc.target/i386/pr69255-1.c
new file mode 100644
index 0000000..7a666d3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr69255-1.c
@@ -0,0 +1,17 @@
+/* PR target/69255 */
+/* { dg-do compile } */
+/* { dg-options "-msse4 -mno-avx" } */
+
+#pragma GCC target "avx512vl"
+#pragma GCC target "no-avx512vl"
+__attribute__ ((__vector_size__ (32))) long long a;
+__attribute__ ((__vector_size__ (16))) int b;
+
+void
+foo (const long long *p)
+{
+  a = __builtin_ia32_gather3siv4di (a, p, b, 1, 1);	/* { dg-error "needs isa option -m32 -mavx512vl" } */
+}
+
+/* { dg-warning "AVX vector return without AVX enabled changes the ABI" "" { target *-*-* } 13 } */
+/* { dg-warning "AVX vector argument without AVX enabled changes the ABI" "" { target *-*-* } 13 } */
diff --git a/gcc/testsuite/gcc.target/i386/pr69255-2.c b/gcc/testsuite/gcc.target/i386/pr69255-2.c
new file mode 100644
index 0000000..28eb57b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr69255-2.c
@@ -0,0 +1,17 @@
+/* PR target/69255 */
+/* { dg-do compile } */
+/* { dg-options "-msse4 -mno-avx" } */
+
+#pragma GCC target "avx512vl"
+#pragma GCC target ""
+__attribute__ ((__vector_size__ (32))) long long a;
+__attribute__ ((__vector_size__ (16))) int b;
+
+void
+foo (const long long *p)
+{
+  __builtin_ia32_gather3siv4di (a, p, b, 1, 1);		/* { dg-error "needs isa option -m32 -mavx512vl" } */
+}
+
+/* { dg-warning "AVX vector return without AVX enabled changes the ABI" "" { target *-*-* } 13 } */
+/* { dg-warning "AVX vector argument without AVX enabled changes the ABI" "" { target *-*-* } 13 } */
diff --git a/gcc/testsuite/gcc.target/i386/pr69255-3.c b/gcc/testsuite/gcc.target/i386/pr69255-3.c
new file mode 100644
index 0000000..41fb4a2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr69255-3.c
@@ -0,0 +1,17 @@
+/* PR target/69255 */
+/* { dg-do compile } */
+/* { dg-options "-msse4 -mno-avx" } */
+
+#pragma GCC target "avx512vl"
+#pragma GCC target ""
+__attribute__ ((__vector_size__ (32))) long long a;
+__attribute__ ((__vector_size__ (16))) int b;
+
+void
+foo (const long long *p, __attribute__ ((__vector_size__ (32))) long long *q)
+{
+  *q = __builtin_ia32_gather3siv4di (a, p, b, 1, 1);	/* { dg-error "needs isa option -m32 -mavx512vl" } */
+}
+
+/* { dg-warning "AVX vector return without AVX enabled changes the ABI" "" { target *-*-* } 13 } */
+/* { dg-warning "AVX vector argument without AVX enabled changes the ABI" "" { target *-*-* } 13 } */