backport: re PR target/82112 (internal compiler error: in fold_convert_loc, at fold...

	Backported from mainline
	2017-09-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/82112
	* gcc.target/powerpc/pr82112.c: New test.
	* g++.dg/ext/altivec-18.C: New test.

From-SVN: r252887

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index be66391fb7d1d17f88ca8a2d5b2e4ba513badb0d..efb856c2eef7924e5a7886591adadb274c7a06ad 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -3,6 +3,10 @@
        Backported from mainline
        2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 
+       PR target/82112
+       * gcc.target/powerpc/pr82112.c: New test.
+       * g++.dg/ext/altivec-18.C: New test.
+
        PR target/82112
        * c-c++-common/pr82112.c: New test.
        * gcc.dg/pr82112.c: New test.

diff --git a/gcc/testsuite/g++.dg/ext/altivec-18.C b/gcc/testsuite/g++.dg/ext/altivec-18.C
new file mode 100644 (file)
index 0000000..5b83028
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/altivec-18.C
@@ -0,0 +1,14 @@
+// PR target/82112
+// { dg-do compile { target powerpc*-*-* } }
+// { dg-require-effective-target powerpc_altivec_ok }
+// { dg-options "-maltivec" }
+
+#include <altivec.h>
+
+__attribute__((aligned (16))) extern const unsigned char c[16];
+
+void
+foo (void)
+{
+  vec_ld (0, c);
+}

diff --git a/gcc/testsuite/gcc.target/powerpc/pr82112.c b/gcc/testsuite/gcc.target/powerpc/pr82112.c
new file mode 100644 (file)
index 0000000..fbb0f9d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr82112.c
@@ -0,0 +1,16 @@
+/* PR target/82112 */
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -std=gnu90" } */
+
+#include <altivec.h>
+
+struct __attribute__((aligned (16))) S { unsigned char c[64]; } bar (void);
+vector unsigned char v;
+
+void
+foo (void)
+{
+  vec_ld (0, bar ().c);        /* { dg-error "invalid parameter combination for AltiVec intrinsic" } */
+  vec_st (v, 0, bar ().c);     /* { dg-error "invalid parameter combination for AltiVec intrinsic" } */
+}