PR target/70300

	* config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
	instead of source if operands[1] is xmm16 and above and
	!TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
	vec_interleave_lowv4sf if we need to unpack xmm16 and above.

	* gcc.target/i386/pr70300.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234393 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/pr70300.c b/gcc/testsuite/gcc.target/i386/pr70300.c
new file mode 100644
index 00000000000..ddfadfb5957
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr70300.c
@@ -0,0 +1,25 @@
+/* PR target/70300 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mtune=amdfam10 -mavx512f" } */
+
+typedef _Complex A __attribute__ ((mode (SC)));
+typedef _Complex B __attribute__ ((mode (DC)));
+typedef _Complex C __attribute__ ((mode (TC)));
+
+C
+foo (A a, B b, C c, A d, B e, C f)
+{
+  b -= a;
+  d += a;
+  a += f;
+  return a + b + d + e;
+}
+
+__attribute__((target ("avx512vl"))) C
+bar (A a, B b, C c, A d, B e, C f)
+{
+  b -= a;
+  d += a;
+  a += f;
+  return a + b + d + e;
+}