]> git.ipfire.org Git - thirdparty/gcc.git/commitdiff
re PR target/34856 (ICE with some constant vectors)
authorUros Bizjak <ubizjak@gmail.com>
Thu, 24 Jan 2008 17:08:10 +0000 (18:08 +0100)
committerUros Bizjak <uros@gcc.gnu.org>
Thu, 24 Jan 2008 17:08:10 +0000 (18:08 +0100)
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.

From-SVN: r131796

gcc/ChangeLog
gcc/config/i386/i386.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/pr34856.c [new file with mode: 0644]

index b4668e752ff727d0d0d9e9ac8192a4e1de9ae8e6..6b4689aeb5473c6a3dd21d795f93b83258c37842 100644 (file)
@@ -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
index a8c8b722b8eabb990bb13436afb217860a7419a2..6e9ae2a2ebd82d8b53620897ecb4f76a6c395c2d 100644 (file)
@@ -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;
index 933bcae743ed87000dfcae4839887e1b03483262..96515abbcba5db569c0f77f20834a49d27eaaa95 100644 (file)
@@ -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
@@ -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);
+}