[SystemZ] Add truncating high-word stores (STCH and STHH)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191743 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 130 insertions, 0 deletions

diff --git a/test/MC/Disassembler/SystemZ/insns.txt b/test/MC/Disassembler/SystemZ/insns.txt
index 4dd8c83..4775a5d 100644
--- a/test/MC/Disassembler/SystemZ/insns.txt
+++ b/test/MC/Disassembler/SystemZ/insns.txt
@@ -6664,6 +6664,36 @@
 # CHECK: stc %r15, 0
 0x42 0xf0 0x00 0x00
 
+# CHECK: stch %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc3
+
+# CHECK: stch %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc3
+
+# CHECK: stch %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc3
+
+# CHECK: stch %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc3
+
+# CHECK: stch %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc3
+
+# CHECK: stch %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc3
+
+# CHECK: stch %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc3
+
+# CHECK: stch %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc3
+
+# CHECK: stch %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc3
+
+# CHECK: stch %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc3
+
 # CHECK: stcy %r0, -524288
 0xe3 0x00 0x00 0x00 0x80 0x72
 
@@ -6847,6 +6877,36 @@
 # CHECK: sth %r15, 0
 0x40 0xf0 0x00 0x00
 
+# CHECK: sthh %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc7
+
+# CHECK: sthh %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc7
+
+# CHECK: sthh %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc7
+
+# CHECK: sthh %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc7
+
+# CHECK: sthh %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc7
+
+# CHECK: sthh %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc7
+
+# CHECK: sthh %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc7
+
+# CHECK: sthh %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc7
+
+# CHECK: sthh %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc7
+
+# CHECK: sthh %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc7
+
 # CHECK: stfh %r0, -524288
 0xe3 0x00 0x00 0x00 0x80 0xcb
 
diff --git a/test/MC/SystemZ/insn-bad-z196.s b/test/MC/SystemZ/insn-bad-z196.s
index cf623bd..0ed3370 100644
--- a/test/MC/SystemZ/insn-bad-z196.s
+++ b/test/MC/SystemZ/insn-bad-z196.s
@@ -245,6 +245,22 @@
 	srlk	%r0,%r0,0(%r1,%r2)
 
 #CHECK: error: invalid operand
+#CHECK: stch	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: stch	%r0, 524288
+
+	stch	%r0, -524289
+	stch	%r0, 524288
+
+#CHECK: error: invalid operand
+#CHECK: sthh	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: sthh	%r0, 524288
+
+	sthh	%r0, -524289
+	sthh	%r0, 524288
+
+#CHECK: error: invalid operand
 #CHECK: stfh	%r0, -524289
 #CHECK: error: invalid operand
 #CHECK: stfh	%r0, 524288
diff --git a/test/MC/SystemZ/insn-bad.s b/test/MC/SystemZ/insn-bad.s
index 3a46c48..3fe3f4d 100644
--- a/test/MC/SystemZ/insn-bad.s
+++ b/test/MC/SystemZ/insn-bad.s
@@ -2915,6 +2915,11 @@
 	stc	%r0, -1
 	stc	%r0, 4096
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: stch	%r0, 0
+
+	stch	%r0, 0
+
 #CHECK: error: invalid operand
 #CHECK: stcy	%r0, -524289
 #CHECK: error: invalid operand
@@ -2985,6 +2990,11 @@
 	sth	%r0, -1
 	sth	%r0, 4096
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: sthh	%r0, 0
+
+	sthh	%r0, 0
+
 #CHECK: error: offset out of range
 #CHECK: sthrl	%r0, -0x1000000002
 #CHECK: error: offset out of range
diff --git a/test/MC/SystemZ/insn-good-z196.s b/test/MC/SystemZ/insn-good-z196.s
index ca88329..769ab02 100644
--- a/test/MC/SystemZ/insn-good-z196.s
+++ b/test/MC/SystemZ/insn-good-z196.s
@@ -647,6 +647,50 @@
 	srlk	%r0,%r0,524287(%r1)
 	srlk	%r0,%r0,524287(%r15)
 
+#CHECK: stch	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc3]
+#CHECK: stch	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc3]
+#CHECK: stch	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc3]
+#CHECK: stch	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc3]
+#CHECK: stch	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc3]
+#CHECK: stch	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc3]
+#CHECK: stch	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc3]
+#CHECK: stch	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc3]
+#CHECK: stch	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc3]
+#CHECK: stch	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc3]
+
+	stch	%r0, -524288
+	stch	%r0, -1
+	stch	%r0, 0
+	stch	%r0, 1
+	stch	%r0, 524287
+	stch	%r0, 0(%r1)
+	stch	%r0, 0(%r15)
+	stch	%r0, 524287(%r1,%r15)
+	stch	%r0, 524287(%r15,%r1)
+	stch	%r15, 0
+
+#CHECK: sthh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc7]
+#CHECK: sthh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc7]
+#CHECK: sthh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc7]
+#CHECK: sthh	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc7]
+#CHECK: sthh	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc7]
+#CHECK: sthh	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc7]
+#CHECK: sthh	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc7]
+#CHECK: sthh	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc7]
+#CHECK: sthh	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc7]
+#CHECK: sthh	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc7]
+
+	sthh	%r0, -524288
+	sthh	%r0, -1
+	sthh	%r0, 0
+	sthh	%r0, 1
+	sthh	%r0, 524287
+	sthh	%r0, 0(%r1)
+	sthh	%r0, 0(%r15)
+	sthh	%r0, 524287(%r1,%r15)
+	sthh	%r0, 524287(%r15,%r1)
+	sthh	%r15, 0
+
 #CHECK: stfh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xcb]
 #CHECK: stfh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xcb]
 #CHECK: stfh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xcb]