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authorSteve Ellcey <sellcey@imgtec.com>2016-01-28 22:28:04 +0000
committerSteve Ellcey <sje@gcc.gnu.org>2016-01-28 22:28:04 +0000
commitdf113ce7de77eba567568d47c0d0e3d5ebd98559 (patch)
tree45a96d2b1ef9bb42ed5100c1351e5014dd1bd134
parent0b16c7b99c6cc212135d6dba70bbc5ef47af4dbe (diff)
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re PR target/68400 (ICE in change_address_1, at emit-rtl.c:2125)
PR target/68400 * gcc.target/mips/mips.exp (mips_option_groups): Add stack-protector. * gcc.target/mips/pr68400.c: New test. From-SVN: r232954
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gcc.target/mips/mips.exp1
-rw-r--r--gcc/testsuite/gcc.target/mips/pr68400.c28
3 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0957d2f..fc1e4ee 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2016-01-28 Steve Ellcey <sellcey@imgtec.com>
+
+ PR target/68400
+ * gcc.target/mips/mips.exp (mips_option_groups): Add stack-protector.
+ * gcc.target/mips/pr68400.c: New test.
+
2016-01-28 Martin Sebor <msebor@redhat.com>
PR target/17381
diff --git a/gcc/testsuite/gcc.target/mips/mips.exp b/gcc/testsuite/gcc.target/mips/mips.exp
index f191331..ff9c99a 100644
--- a/gcc/testsuite/gcc.target/mips/mips.exp
+++ b/gcc/testsuite/gcc.target/mips/mips.exp
@@ -257,6 +257,7 @@ set mips_option_groups {
lsa "(|!)HAS_LSA"
section_start "-Wl,--section-start=.*"
frame-header "-mframe-header-opt|-mno-frame-header-opt"
+ stack-protector "-fstack-protector"
}
for { set option 0 } { $option < 32 } { incr option } {
diff --git a/gcc/testsuite/gcc.target/mips/pr68400.c b/gcc/testsuite/gcc.target/mips/pr68400.c
new file mode 100644
index 0000000..1099568
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/pr68400.c
@@ -0,0 +1,28 @@
+/* PR target/pr68400
+ This was triggering an ICE in change_address_1 when compiled with -Os. */
+
+/* { dg-do compile } */
+/* { dg-options "-fstack-protector -mips16" } */
+
+typedef struct s {
+ unsigned long long d;
+ long long t;
+} p;
+
+int sh(int x, unsigned char *buf)
+{
+ p *uhdr = (p *)buf;
+ unsigned int i = 0;
+ uhdr->d = ((uhdr->d & 0xff00000000000000LL) >> 56)
+ | ((uhdr->d & 0x0000ff0000000000LL) >> 24)
+ | ((uhdr->d & 0x00000000ff000000LL) << 8)
+ | ((uhdr->d & 0x00000000000000ffLL) << 56);
+ uhdr->t = ((uhdr->t & 0xff00000000000000LL) >> 56)
+ | ((uhdr->t & 0x0000ff0000000000LL) >> 24)
+ | ((uhdr->t & 0x000000ff00000000LL) >> 8)
+ | ((uhdr->t & 0x00000000ff000000LL) << 8)
+ | ((uhdr->t & 0x000000000000ff00LL) << 40)
+ | ((uhdr->t & 0x00000000000000ffLL) << 56);
+ i += 4;
+ if (x < i) return 0; else return 1;
+}