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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/torture/cris-volatile-1.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/cris-volatile-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/torture/cris-volatile-1.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/cris-volatile-1.c b/gcc/testsuite/gcc.dg/torture/cris-volatile-1.c
new file mode 100644
index 000000000..6b19852c2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/cris-volatile-1.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 2003 Free Software Foundation.
+ Check that size-optimizations for move insns (specifically peephole
+ optimizations) aren't applied to volatile objects in the CRIS port.
+ Origin: Hans-Peter Nilsson. */
+/* { dg-do compile { target cris-*-* crisv32-*-* } } */
+/* { dg-final { scan-assembler-not {movu\...\[} } } */
+/* { dg-final { scan-assembler-not {move\.[^d].\[} } } */
+/* { dg-final { scan-assembler-not {and\.[^d].\[} } } */
+/* { dg-final { scan-assembler-not {or\.[^d].\[} } } */
+
+static const unsigned long c = 0x0000FF00;
+unsigned long
+a1 (void)
+{
+ unsigned long m;
+ m = *(volatile unsigned long*) 0xb00000c8;
+ m &= c;
+ return m;
+}
+extern volatile unsigned long xx;
+unsigned long
+a2 (void)
+{
+ unsigned long m;
+ m = xx;
+ m &= c;
+ return m;
+}
+extern volatile unsigned long yy[];
+unsigned long
+a3 (void)
+{
+ unsigned long m;
+ m = yy[3];
+ m &= 0xfe00;
+ return m;
+}
+unsigned long
+ac1 (void)
+{
+ unsigned long m;
+ m = *(volatile unsigned long*) 0xb00000c8;
+ m &= 0xfe00;
+ return m;
+}
+extern volatile unsigned long xx;
+unsigned long
+ac2 (void)
+{
+ unsigned long m;
+ m = xx;
+ m &= 0xfe00;
+ return m;
+}
+extern volatile unsigned long yy[];
+unsigned long
+ac3 (void)
+{
+ unsigned long m;
+ m = yy[3];
+ m &= 0xfe00;
+ return m;
+}
+extern volatile unsigned long yy[];
+unsigned long
+oc3 (void)
+{
+ unsigned long m;
+ m = yy[3];
+ m |= ~0xf;
+ return m;
+}