* loop-unroll.c (analyze_insn_to_expand_var): Make sure that
force_operand will work later on using have_insn_for.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103181
138bc75d-0d04-0410-961f-
82ee72b054a4
+2005-08-16 Steven Bosscher <stevenb@suse.de>
+
+ PR target/23376
+ * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
+ force_operand will work later on using have_insn_for.
+
2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* fold-const.c (tree_expr_nonnegative_p): Regroup cases.
* trans-stmt.c (gfc_trans_arithmetic_if): Optimized in case of equal
labels.
-2005-09-11 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+2005-08-11 Francois-Xavier Coudert <coudert@clipper.ens.fr>
Steven Bosscher <stevenb@suse.de>
PR libfortran/20006
&& GET_CODE (src) != MINUS
&& GET_CODE (src) != MULT)
return NULL;
-
+
+ /* Hmm, this is a bit paradoxical. We know that INSN is a valid insn
+ in MD. But if there is no optab to generate the insn, we can not
+ perform the variable expansion. This can happen if an MD provides
+ an insn but not a named pattern to generate it, for example to avoid
+ producing code that needs additional mode switches like for x87/mmx.
+
+ So we check have_insn_for which looks for an optab for the operation
+ in SRC. If it doesn't exist, we can't perform the expansion even
+ though INSN is valid. */
+ if (!have_insn_for (GET_CODE (src), GET_MODE (src)))
+ return NULL;
+
if (!XEXP (src, 0))
return NULL;
+2005-08-16 Steven Bosscher <stevenb@suse.de>
+
+ PR target/23376
+ * gcc.target/x86_64/pr23376.c: New test.
+
2005-08-16 Ian Lance Taylor <ian@airs.com>
PR c++/23337
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O1 -funroll-loops -fvariable-expansion-in-unroller" } */
+
+typedef int __m64 __attribute__ ((__vector_size__ (8)));
+typedef int __v2si __attribute__ ((__vector_size__ (8)));
+
+static __inline __m64 __attribute__((__always_inline__))
+_mm_add_pi32 (__m64 __m1, __m64 __m2)
+{
+ return (__m64) __builtin_ia32_paddd ((__v2si)__m1, (__v2si)__m2);
+}
+
+__m64
+simple_block_diff_up_mmx_4 (const int width, __m64 ref1)
+{
+ __m64 sum;
+ int count = width >>1;
+ while (count--)
+ sum = _mm_add_pi32 (sum, ref1);
+ return sum;
+}