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authorwilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-18 23:01:33 +0000
committerwilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-18 23:01:33 +0000
commitc8a8756bdbc6add08f6d1ed28c979a4c779e861b (patch)
tree04cf9bb670e2a66ba8720f7c837705d37444e6b5
parente6ef44054d1874de4495d472ecea1c8b09cdb5d2 (diff)
downloadppe42-gcc-c8a8756bdbc6add08f6d1ed28c979a4c779e861b.tar.gz
ppe42-gcc-c8a8756bdbc6add08f6d1ed28c979a4c779e861b.zip
PR tree-optimization/18977
* gcc.c-torture/execute/loop-ivopts-1.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95238 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c30
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ecdc105c735..4562225816f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-02-18 James E Wilson <wilson@specifixinc.com>
+
+ PR tree-optimization/18977
+ * gcc.c-torture/execute/loop-ivopts-1.c: New testcase.
+
2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
PR target/20054
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c b/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c
new file mode 100644
index 00000000000..13396fbf0da
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c
@@ -0,0 +1,30 @@
+/* From PR 18977. */
+void foo(float * x);
+
+int main()
+{
+ float x[4];
+ foo (x);
+ return 0;
+}
+
+void foo (float *x)
+{
+ int i,j,k;
+ float temp;
+ static float t16[16]={1.,2.,3.,4.,5.,6.,7.,8.,9.,
+ 10.,11.,12.,13.,14.,15.,16.};
+ static float tmp[4]={0.,0.,0.,0.};
+
+ for (i=0; i<4; i++) {
+ k = 3 - i;
+ temp = t16[5*k];
+ for(j=k+1; j<4; j++) {
+ tmp[k] = t16[k+ j*4] * temp;
+ }
+ }
+ x[0] = tmp[0];
+ x[1] = tmp[1];
+ x[2] = tmp[2];
+ x[3] = tmp[3];
+}
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