Add missing testcases for PR 44588.

From-SVN: r161330

4 files changed, 75 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/mod-1.c b/gcc/testsuite/gcc.target/i386/mod-1.c
new file mode 100644
index 0000000..a7b1a92
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/mod-1.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-options "-Os -mtune=generic" } */
+
+typedef struct {
+  int a;
+} VCR;
+
+typedef struct {
+  VCR vcr[8];
+} VCRC;
+
+typedef struct {
+  char vcr;
+} OWN;
+
+OWN Own[16];
+
+void
+f (VCRC *x, OWN *own)
+{
+  x[own->vcr / 8].vcr[own->vcr % 8].a--;
+  x[own->vcr / 8].vcr[own->vcr % 8].a = x[own->vcr / 8].vcr[own->vcr % 8].a;
+}
+
+/* { dg-final { scan-assembler-times "idivb" 1 } } */
+/* { dg-final { scan-assembler-not "incl" } } */
+/* { dg-final { scan-assembler-not "orl" } } */
+/* { dg-final { scan-assembler-not "andb" } } */
+/* { dg-final { scan-assembler-not "jns" } } */
diff --git a/gcc/testsuite/gcc.target/i386/umod-1.c b/gcc/testsuite/gcc.target/i386/umod-1.c
new file mode 100644
index 0000000..54edf13
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/umod-1.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mtune=atom" } */
+
+unsigned char
+foo (unsigned char x, unsigned char y)
+{
+  return x % y;
+}
+
+/* { dg-final { scan-assembler-times "divb" 1 } } */
+/* { dg-final { scan-assembler-not "divw" } } */
diff --git a/gcc/testsuite/gcc.target/i386/umod-2.c b/gcc/testsuite/gcc.target/i386/umod-2.c
new file mode 100644
index 0000000..6fe7384
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/umod-2.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mtune=atom" } */
+
+extern unsigned char z;
+
+unsigned char
+foo (unsigned char x, unsigned char y)
+{
+  z = x/y;
+  return x % y;
+}
+
+/* { dg-final { scan-assembler-times "divb" 1 } } */
+/* { dg-final { scan-assembler-not "divw" } } */
diff --git a/gcc/testsuite/gcc.target/i386/umod-3.c b/gcc/testsuite/gcc.target/i386/umod-3.c
new file mode 100644
index 0000000..7123bc9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/umod-3.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mtune=atom" } */
+
+extern void abort (void);
+extern void exit (int);
+
+unsigned char cx = 7;
+
+int
+main ()
+{
+  unsigned char cy;
+  
+  cy = cx / 6; if (cy != 1) abort ();
+  cy = cx % 6; if (cy != 1) abort ();
+
+  exit(0);
+}
+
+/* { dg-final { scan-assembler-times "divb" 1 } } */
+/* { dg-final { scan-assembler-not "divw" } } */