9 files changed, 97 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2b90e3dc361..1d97976cf7b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,16 @@
 2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* gcc.target/mips/madd-5.c: New test.
+	* gcc.target/mips/madd-6.c: Likewise.
+	* gcc.target/mips/madd-7.c: Likewise.
+	* gcc.target/mips/madd-8.c: Likewise.
+	* gcc.target/mips/msub-5.c: Likewise.
+	* gcc.target/mips/msub-6.c: Likewise.
+	* gcc.target/mips/msub-7.c: Likewise.
+	* gcc.target/mips/msub-8.c: Likewise.
+
+2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* gcc.target/mips/no-smartmips-ror-1.c: Use -march=mips32 instead
 	of -march=mips32r2.
 
diff --git a/gcc/testsuite/gcc.target/mips/madd-5.c b/gcc/testsuite/gcc.target/mips/madd-5.c
new file mode 100644
index 00000000000..780194dc7e6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/madd-5.c
@@ -0,0 +1,8 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-times "\tmadd\t" 4 } } */
+/* { dg-final { scan-assembler-not "\tmtlo\t" } } */
+/* { dg-final { scan-assembler-times "\tmflo\t" 3 } } */
+
+NOMIPS16 void f1 (int *a) { a[0] = a[0] * a[1] + a[2] * a[3]; }
+NOMIPS16 void f2 (int *a) { a[0] = a[0] * a[1] + a[2] * a[3] + a[4]; }
+NOMIPS16 void f3 (int *a) { a[0] = a[0] * a[1] + a[2] * a[3] + a[4] * a[5]; }
diff --git a/gcc/testsuite/gcc.target/mips/madd-6.c b/gcc/testsuite/gcc.target/mips/madd-6.c
new file mode 100644
index 00000000000..bbb6783d4a0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/madd-6.c
@@ -0,0 +1,6 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-not "\tmadd\t" } } */
+/* { dg-final { scan-assembler "\tmul\t" } } */
+/* { dg-final { scan-assembler "\taddu\t" } } */
+
+NOMIPS16 void f1 (int *a) { a[0] = a[0] * a[1] + a[2]; }
diff --git a/gcc/testsuite/gcc.target/mips/madd-7.c b/gcc/testsuite/gcc.target/mips/madd-7.c
new file mode 100644
index 00000000000..25fd07db128
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/madd-7.c
@@ -0,0 +1,14 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-not "\tmul\t" } } */
+/* { dg-final { scan-assembler "\tmadd\t" } } */
+
+NOMIPS16 int
+f1 (int *a, int *b, int n)
+{
+  int x, i;
+
+  x = 0;
+  for (i = 0; i < n; i++)
+    x += a[i] * b[i];
+  return x;
+}
diff --git a/gcc/testsuite/gcc.target/mips/madd-8.c b/gcc/testsuite/gcc.target/mips/madd-8.c
new file mode 100644
index 00000000000..0fc680e5979
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/madd-8.c
@@ -0,0 +1,15 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler "\tmul\t" } } */
+/* { dg-final { scan-assembler-not "\tmadd\t" } } */
+/* { dg-final { scan-assembler-not "\tmtlo\t" } } */
+/* { dg-final { scan-assembler-not "\tmflo\t" } } */
+
+NOMIPS16 int
+f2 (int x, int y, int z)
+{
+  asm volatile ("" ::: "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
+		"$10", "$11", "$12", "$13", "$14", "$15", "$16", "$17",
+		"$18", "$19", "$20", "$21", "$22", "$23", "$24", "$25",
+		"$31");
+  return x * y + z;
+}
diff --git a/gcc/testsuite/gcc.target/mips/msub-5.c b/gcc/testsuite/gcc.target/mips/msub-5.c
new file mode 100644
index 00000000000..675da64a5e1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/msub-5.c
@@ -0,0 +1,8 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-times "\tmsub\t" 4 } } */
+/* { dg-final { scan-assembler-not "\tmtlo\t" } } */
+/* { dg-final { scan-assembler-times "\tmflo\t" 3 } } */
+
+NOMIPS16 void f1 (int *a) { a[0] = a[0] * a[1] - a[2] * a[3]; }
+NOMIPS16 void f2 (int *a) { a[0] = a[0] * a[1] - a[2] * a[3] - a[4]; }
+NOMIPS16 void f3 (int *a) { a[0] = a[0] * a[1] - a[2] * a[3] - a[4] * a[5]; }
diff --git a/gcc/testsuite/gcc.target/mips/msub-6.c b/gcc/testsuite/gcc.target/mips/msub-6.c
new file mode 100644
index 00000000000..afe01cb5162
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/msub-6.c
@@ -0,0 +1,6 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-not "\tmsub\t" } } */
+/* { dg-final { scan-assembler "\tmul\t" } } */
+/* { dg-final { scan-assembler "\tsubu\t" } } */
+
+NOMIPS16 void f1 (int *a) { a[0] = a[0] - a[1] * a[2]; }
diff --git a/gcc/testsuite/gcc.target/mips/msub-7.c b/gcc/testsuite/gcc.target/mips/msub-7.c
new file mode 100644
index 00000000000..9fff31d5132
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/msub-7.c
@@ -0,0 +1,14 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler-not "\tmul\t" } } */
+/* { dg-final { scan-assembler "\tmsub\t" } } */
+
+NOMIPS16 int
+f1 (int *a, int *b, int n)
+{
+  int x, i;
+
+  x = 100;
+  for (i = 0; i < n; i++)
+    x -= a[i] * b[i];
+  return x;
+}
diff --git a/gcc/testsuite/gcc.target/mips/msub-8.c b/gcc/testsuite/gcc.target/mips/msub-8.c
new file mode 100644
index 00000000000..7517540cdc4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/msub-8.c
@@ -0,0 +1,15 @@
+/* { dg-mips-options "-O2 -march=5kc" } */
+/* { dg-final { scan-assembler "\tmul\t" } } */
+/* { dg-final { scan-assembler-not "\tmsub\t" } } */
+/* { dg-final { scan-assembler-not "\tmtlo\t" } } */
+/* { dg-final { scan-assembler-not "\tmflo\t" } } */
+
+NOMIPS16 int
+f2 (int x, int y, int z)
+{
+  asm volatile ("" ::: "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
+		"$10", "$11", "$12", "$13", "$14", "$15", "$16", "$17",
+		"$18", "$19", "$20", "$21", "$22", "$23", "$24", "$25",
+		"$31");
+  return x - y * z;
+}