This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
[3/3] [nios2] new test cases
- From: Sandra Loosemore <sandra at codesourcery dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 7 Dec 2017 21:32:50 -0700
- Subject: [3/3] [nios2] new test cases
- Authentication-results: sourceware.org; auth=none
I've checked in these new constant-integer address test cases to go with
the previous two patches in this series.
-Sandra
2017-12-07 Sandra Loosemore <sandra@codesourcery.com>
gcc/testsuite/
* gcc.target/nios2/const-addr-1.c: New.
* gcc.target/nios2/const-addr-2.c: New.
* gcc.target/nios2/const-addr-3.c: New.
Index: gcc/testsuite/gcc.target/nios2/const-addr-1.c
===================================================================
--- gcc/testsuite/gcc.target/nios2/const-addr-1.c (nonexistent)
+++ gcc/testsuite/gcc.target/nios2/const-addr-1.c (working copy)
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-times "stw\tr., 12816\\(r\[2-9\]\\)" 1 } } */
+/* { dg-final { scan-assembler-times "stw\tr., 12816\\(r0\\)" 1 } } */
+/* { dg-final { scan-assembler-times "stw\tr., 528\\(r0\\)" 1 } } */
+
+/* These functions should not spill to stack. */
+/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */
+/* { dg-final { scan-assembler-not "spdeci" } } */
+
+#define addr1 ((volatile int *) 0x43210)
+#define addr2 ((volatile int *) 0x3210)
+#define addr3 ((volatile int *) 0x210)
+
+#define SET(l,r) (*(l) = (r))
+
+void foo1 (int x) { SET (addr1, x); }
+void foo2 (int x) { SET (addr2, x); }
+void foo3 (int x) { SET (addr3, x); }
Index: gcc/testsuite/gcc.target/nios2/const-addr-2.c
===================================================================
--- gcc/testsuite/gcc.target/nios2/const-addr-2.c (nonexistent)
+++ gcc/testsuite/gcc.target/nios2/const-addr-2.c (working copy)
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-march=r1 -mno-cdx -mno-bmx -O2" } */
+/* { dg-final { scan-assembler-times "stwio\tr., 12816\\(r\[2-9\]\\)" 1 } } */
+/* { dg-final { scan-assembler-times "stwio\tr., 12816\\(r0\\)" 1 } } */
+/* { dg-final { scan-assembler-times "stwio\tr., 528\\(r0\\)" 1 } } */
+
+/* These functions should not spill to stack. */
+/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */
+
+#define addr1 ((volatile int *) 0x43210)
+#define addr2 ((volatile int *) 0x3210)
+#define addr3 ((volatile int *) 0x210)
+
+#define SET(l,r) __builtin_stwio ((l), (r))
+
+void foo1 (int x) { SET (addr1, x); }
+void foo2 (int x) { SET (addr2, x); }
+void foo3 (int x) { SET (addr3, x); }
Index: gcc/testsuite/gcc.target/nios2/const-addr-3.c
===================================================================
--- gcc/testsuite/gcc.target/nios2/const-addr-3.c (nonexistent)
+++ gcc/testsuite/gcc.target/nios2/const-addr-3.c (working copy)
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=r2 -mno-cdx -mno-bmx -O2" } */
+/* { dg-final { scan-assembler-times "stwio\tr., 0\\(r" 2 } } */
+/* { dg-final { scan-assembler-times "stwio\tr., 528\\(r0\\)" 1 } } */
+
+/* These functions should not spill to stack. */
+/* { dg-final { scan-assembler-not "addi\tsp, sp" } } */
+
+/* On R2, stwio takes only a 12-bit displacement so foo1 and foo2 need
+ to use register indirect addressing. */
+
+#define addr1 ((volatile int *) 0x43210)
+#define addr2 ((volatile int *) 0x3210)
+#define addr3 ((volatile int *) 0x210)
+
+#define SET(l,r) __builtin_stwio ((l), (r))
+
+void foo1 (int x) { SET (addr1, x); }
+void foo2 (int x) { SET (addr2, x); }
+void foo3 (int x) { SET (addr3, x); }