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-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gcc.dg/vect/ggc-pr37574.c20
-rw-r--r--gcc/testsuite/gcc.dg/vect/vect.exp6
3 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 959ab49ff8a..abada3406c5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2008-09-26 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/37574
+ * gcc.dg/vect/ggc-pr37574.c: New test.
+ * gcc.dg/vect/vect.exp: Compile some tests with ggc flags.
+
2008-09-25 Jakub Jelinek <jakub@redhat.com>
PR c/37645
diff --git a/gcc/testsuite/gcc.dg/vect/ggc-pr37574.c b/gcc/testsuite/gcc.dg/vect/ggc-pr37574.c
new file mode 100644
index 00000000000..b95bfafe1fa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/ggc-pr37574.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+
+#include <stdarg.h>
+
+unsigned short in[40 +128];
+int main (void) {
+ int i = 0, j = 0;
+ unsigned int diff;
+ unsigned int s=0,sum=0;
+ for (i = 0; i < 40;i++)
+ {
+ diff = 0;
+ for (j = 0; j < 128;j+=8)
+ diff += in[j+i];
+ s += ((unsigned short)diff>>3);
+ }
+ if (s != sum)
+ return -1;
+ return 0;
+}
diff --git a/gcc/testsuite/gcc.dg/vect/vect.exp b/gcc/testsuite/gcc.dg/vect/vect.exp
index e67b2e4b467..f7253c66c13 100644
--- a/gcc/testsuite/gcc.dg/vect/vect.exp
+++ b/gcc/testsuite/gcc.dg/vect/vect.exp
@@ -242,6 +242,12 @@ lappend DEFAULT_VECTCFLAGS "-Os"
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/Os-vect-*.\[cS\]]] \
"" $DEFAULT_VECTCFLAGS
+# With --param ggc-min-expand=0 --param ggc-min-heapsize=0
+set DEFAULT_VECTCFLAGS $SAVED_DEFAULT_VECTCFLAGS
+lappend DEFAULT_VECTCFLAGS "--param" "ggc-min-expand=0" "--param" "ggc-min-heapsize=0"
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/ggc-*.\[cS\]]] \
+ "" $DEFAULT_VECTCFLAGS
+
# With -O3
set DEFAULT_VECTCFLAGS $SAVED_DEFAULT_VECTCFLAGS
lappend DEFAULT_VECTCFLAGS "-O3"
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