re PR target/27790 (Unrecognizable insn with -ftree-vectorize -O1 -msse2)

        PR target/27790
        * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
        into register for (code == GTU).

testsuite/ChangeLog:

        * gcc.target/i386/pr27790.c: New test.

From-SVN: r114229

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 97ec80cda0397714cc99be0b7a35b61cb86ceaeb..1ad4ac82dcb0b754d71131efa70538a77e7c47fb 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-30  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/27790
+       * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
+       into register for (code == GTU).
+
 2006-05-29  Roger Sayle  <roger@eyesopen.com>
 
        PR tree-optimization/24964

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index a557c16859cf117626e1b1750624290820b9d0b8..8c33150bd783389f0bb60055773cbbc641d82efe 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -11485,6 +11485,8 @@ ix86_expand_int_vcond (rtx operands[])
      tricks to turn this into a signed comparison against 0.  */
   if (code == GTU)
     {
+      cop0 = force_reg (mode, cop0);
+
       switch (mode)
        {
        case V4SImode:

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 37ab802318d30a138191ecb11ed3527467e107c1..eedd466c2ca00d79566759d8665eb2eb0e0e1ddc 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-30  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/27790
+       * gcc.target/i386/pr27790.c: New test.
+
 2006-05-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
        PR libgfortran/27757

diff --git a/gcc/testsuite/gcc.target/i386/pr27790.c b/gcc/testsuite/gcc.target/i386/pr27790.c
new file mode 100644 (file)
index 0000000..e8986c4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr27790.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-vectorize -msse2" } */
+
+void binarize (int npixels, unsigned char *b)
+{
+  int i;
+  for (i = 0; i < npixels; i++)
+    b[i] = (b[i] > 225 ? 0xff : 0);
+}