re PR target/68924 (No intrinsic for x86 `MOVQ m64, %xmm` in 32bit mode.)

	PR target/68924
	PR target/78782
	PR target/87558
	* config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
	(_mm_storeu_si64): Ditto.

testsuite/ChangeLog:

	PR target/68924
	PR target/78782
	PR target/87558
	* gcc.target/i386/pr78782.c: New test.
	* gcc.target/i386/pr87558.c: Ditto.

From-SVN: r269497

gcc/ChangeLog

+2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/68924
+	PR target/78782
+	PR target/87558
+	* config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
+	(_mm_storeu_si64): Ditto.
+
 2019-03-08  Martin Liska  <mliska@suse.cz>
 
 	PR target/86952

gcc/config/i386/emmintrin.h

@@ -709,6 +709,12 @@ _mm_loadl_epi64 (__m128i_u const *__P)
   return _mm_set_epi64 ((__m64)0LL, *(__m64_u *)__P);
 }
 
+extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_loadu_si64 (void const *__P)
+{
+  return _mm_loadl_epi64 ((__m128i_u *)__P);
+}
+
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_store_si128 (__m128i *__P, __m128i __B)
 {
@@ -727,6 +733,12 @@ _mm_storel_epi64 (__m128i_u *__P, __m128i __B)
   *(__m64_u *)__P = (__m64) ((__v2di)__B)[0];
 }
 
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_storeu_si64 (void *__P, __m128i __B)
+{
+  _mm_storel_epi64 ((__m128i_u *)__P, __B);
+}
+
 extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_movepi64_pi64 (__m128i __B)
 {

gcc/testsuite/ChangeLog

+2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/68924
+	PR target/78782
+	PR target/87558
+	* gcc.target/i386/pr78782.c: New test.
+	* gcc.target/i386/pr87558.c: Ditto.
+
 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/85870

gcc/testsuite/gcc.target/i386/pr78782.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -msse2" } */
+
+#include <emmintrin.h>
+
+__m128i foo (unsigned char *p)
+{
+  return _mm_loadu_si64 ((void *)p);
+}

gcc/testsuite/gcc.target/i386/pr87558.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -msse2" } */
+
+#include <emmintrin.h>
+
+void foo (unsigned char *p, __m128i x)
+{
+  _mm_storeu_si64 ((void *)p, x);
+}