* config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
CONST_VECTOR is { 0, ... 0 }.
* gcc.dg/altivec-5.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52340
138bc75d-0d04-0410-961f-
82ee72b054a4
+2002-04-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/6290
+ * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
+ CONST_VECTOR is { 0, ... 0 }.
+
2002-04-15 Loren J. Rittle <ljrittle@acm.org>
* doc/install.texi (Installing GCC: Configuration): Clarify
with CONST0_RTX for the current mode, but let's be safe
instead. */
- if (GET_CODE (elt) == CONST_INT && INTVAL (elt) != 0)
- return 0;
-
- if (GET_CODE (elt) == CONST_DOUBLE
- && (CONST_DOUBLE_LOW (elt) != 0
- || CONST_DOUBLE_HIGH (elt) != 0))
- return 0;
+ switch (GET_CODE (elt))
+ {
+ case CONST_INT:
+ if (INTVAL (elt) != 0)
+ return 0;
+ break;
+ case CONST_DOUBLE:
+ if (CONST_DOUBLE_LOW (elt) != 0 || CONST_DOUBLE_HIGH (elt) != 0)
+ return 0;
+ break;
+ default:
+ return 0;
+ }
}
/* We could probably generate a few other constants trivially, but
gcc doesn't generate them yet. FIXME later. */
- return 0;
+ return 1;
}
/* Return 1 if the operand is the constant 0. This works for scalars
+2002-04-16 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.dg/altivec-5.c: New test.
+
2002-04-15 Mark Mitchell <mark@codesourcery.com>
* testsuite/lib/chill.exp: Remove.
--- /dev/null
+/* { dg-do compile { target powerpc-*-* } } */
+/* { dg-options "-maltivec -O2" } */
+
+#define vector __attribute__((vector_size(16)))
+
+void foo (const unsigned long x,
+ vector signed int a, vector signed int b)
+{
+ unsigned char d[64];
+
+ __builtin_altivec_stvewx (b, 0, d);
+}