PR target/34856

	* config/i386/i386.c (ix86_expand_vector_init): Consider only
	CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

testsuite/ChangeLog:

	PR target/34856
	* gcc.dg/pr34856.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131796 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b4668e7..6b4689a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/34856
+       * config/i386/i386.c (ix86_expand_vector_init): Consider only
+       CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
+
 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
 
        PR middle-end/34934

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index a8c8b72..6e9ae2a 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -23593,7 +23593,9 @@ ix86_expand_vector_init (bool mmx_ok, rtx target, rtx vals)
   for (i = 0; i < n_elts; ++i)
     {
       x = XVECEXP (vals, 0, i);
-      if (!CONSTANT_P (x))
+      if (!(CONST_INT_P (x)
+           || GET_CODE (x) == CONST_DOUBLE
+           || GET_CODE (x) == CONST_FIXED))
        n_var++, one_var = i;
       else if (x != CONST0_RTX (inner_mode))
        all_const_zero = false;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 933bcae..96515ab 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/34856
+       * gcc.dg/pr34856.c: New test.
+
 2008-01-24  Tobias Burnus  <burnus@net-b.de>
 
        * gfortran.dg/namelist_39.f90: Delete temporary files.

diff --git a/gcc/testsuite/gcc.dg/pr34856.c b/gcc/testsuite/gcc.dg/pr34856.c
new file mode 100644 (file)
index 0000000..7900cc3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr34856.c
@@ -0,0 +1,25 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -msse2" { target { i?86-*-* x86_64-*-* } } } */
+
+#undef __vector
+#define __vector __attribute__((vector_size(16) ))
+
+typedef __vector signed char qword;
+typedef __vector unsigned int VU32;
+
+extern short g[192 + 16];
+
+void f (qword);
+
+void f1 (unsigned ctr)
+{
+  VU32 pin;
+  pin = (VU32){(unsigned int) &g[16]};
+  do
+    {
+      f ((qword) pin);
+      ctr--;
+    }
+  while (ctr);
+}