PR target/50751

	* gcc/target/sh/pr50751-1.c: New.
	* gcc/target/sh/pr50751-2.c: New.
	* gcc/target/sh/pr50751-3.c: New.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185619 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 90 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index eec8dea62ef..473b0188cfc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,12 @@
 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
 
+	PR target/50751
+	* gcc/target/sh/pr50751-1.c: New.
+	* gcc/target/sh/pr50751-2.c: New.
+	* gcc/target/sh/pr50751-3.c: New.
+
+2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
+
 	PR target/52479
 	* gcc.target/sh/sh4a-cos.c: Remove.
 	* gcc.target/sh/sh4a-sin.c: Remove.
diff --git a/gcc/testsuite/gcc.target/sh/pr50751-1.c b/gcc/testsuite/gcc.target/sh/pr50751-1.c
new file mode 100644
index 00000000000..3793bd0d4eb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sh/pr50751-1.c
@@ -0,0 +1,30 @@
+/* Check that the mov.b displacement addressing insn is generated.
+   If the insn is generated as expected, there should be no address 
+   calculations outside the mov insns.  */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O1" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */
+/* { dg-final { scan-assembler-not "add|sub" } } */
+
+void
+testfunc_00 (const char* ap, char* bp, char val)
+{
+  bp[0] = ap[15];
+  bp[2] = ap[5];
+  bp[9] = ap[7];
+  bp[0] = ap[15];
+  bp[4] = val;
+  bp[14] = val;
+}
+
+void
+testfunc_01 (volatile const char* ap, volatile char* bp, char val)
+{
+  bp[0] = ap[15];
+  bp[2] = ap[5];
+  bp[9] = ap[7];
+  bp[0] = ap[15];
+  bp[4] = val;
+  bp[14] = val;
+}
+
diff --git a/gcc/testsuite/gcc.target/sh/pr50751-2.c b/gcc/testsuite/gcc.target/sh/pr50751-2.c
new file mode 100644
index 00000000000..ae4b0af5d41
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sh/pr50751-2.c
@@ -0,0 +1,27 @@
+/* Check that the mov.b displacement addressing insn is generated and the 
+   base address is adjusted only once.  On SH2A this test is skipped because
+   there is a 4 byte mov.b insn that can handle larger displacements.  Thus
+   on SH2A the base address will not be adjusted in this case.  */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O1" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m5*" "-m2a*" } { "" } } */
+/* { dg-final { scan-assembler-times "add" 2 } } */
+
+void
+testfunc_00 (const char* ap, char* bp)
+{
+  bp[0] = ap[15];
+  bp[2] = ap[5];
+  bp[9] = ap[7];
+  bp[0] = ap[25];
+}
+
+void
+testfunc_01 (volatile const char* ap, volatile char* bp)
+{
+  bp[0] = ap[15];
+  bp[2] = ap[5];
+  bp[9] = ap[7];
+  bp[0] = ap[25];
+}
+
diff --git a/gcc/testsuite/gcc.target/sh/pr50751-3.c b/gcc/testsuite/gcc.target/sh/pr50751-3.c
new file mode 100644
index 00000000000..58c85f83312
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sh/pr50751-3.c
@@ -0,0 +1,26 @@
+/* Check that on SH2A the 4 byte mov.b displacement insn is generated to
+   handle larger displacements.  If it is generated correctly, there should
+   be no base address adjustments outside the mov.b insns.  */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O1" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m2a*" } } */
+/* { dg-final { scan-assembler-not "add|sub" } } */
+
+void
+testfunc_00 (const char* ap, char* bp)
+{
+  bp[100] = ap[15];
+  bp[200] = ap[50];
+  bp[900] = ap[71];
+  bp[0] = ap[25];
+}
+
+void
+testfunc_01 (volatile const char* ap, volatile char* bp)
+{
+  bp[100] = ap[15];
+  bp[200] = ap[50];
+  bp[900] = ap[71];
+  bp[0] = ap[25];
+}
+