[SystemZ] Add zero-extending high-word loads (LLCH and LLHH)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191742 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 634ee873da..4dd8c83561 100644
--- a/test/MC/Disassembler/SystemZ/insns.txt
+++ b/test/MC/Disassembler/SystemZ/insns.txt
@@ -3166,6 +3166,36 @@
 # CHECK: llc %r15, 0
 0xe3 0xf0 0x00 0x00 0x00 0x94
 
+# CHECK: llch %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc2
+
+# CHECK: llch %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc2
+
+# CHECK: llch %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc2
+
+# CHECK: llch %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc2
+
+# CHECK: llch %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc2
+
+# CHECK: llch %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc2
+
+# CHECK: llch %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc2
+
+# CHECK: llch %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc2
+
+# CHECK: llch %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc2
+
+# CHECK: llch %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc2
+
 # CHECK: llgcr %r0, %r15
 0xb9 0x84 0x00 0x0f
 
@@ -3322,6 +3352,36 @@
 # CHECK: llh %r15, 0
 0xe3 0xf0 0x00 0x00 0x00 0x95
 
+# CHECK: llhh %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc6
+
+# CHECK: llhh %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc6
+
+# CHECK: llhh %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc6
+
+# CHECK: llhh %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc6
+
+# CHECK: llhh %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc6
+
+# CHECK: llhh %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc6
+
+# CHECK: llhh %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc6
+
+# CHECK: llhh %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc6
+
+# CHECK: llhh %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc6
+
+# CHECK: llhh %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc6
+
 # CHECK: llihf %r0, 0
 0xc0 0x0e 0x00 0x00 0x00 0x00
 
diff --git a/test/MC/SystemZ/insn-bad-z196.s b/test/MC/SystemZ/insn-bad-z196.s
index 6214b8e277..cf623bdbf2 100644
--- a/test/MC/SystemZ/insn-bad-z196.s
+++ b/test/MC/SystemZ/insn-bad-z196.s
@@ -97,6 +97,22 @@
 	lhh	%r0, 524288
 
 #CHECK: error: invalid operand
+#CHECK: llch	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: llch	%r0, 524288
+
+	llch	%r0, -524289
+	llch	%r0, 524288
+
+#CHECK: error: invalid operand
+#CHECK: llhh	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: llhh	%r0, 524288
+
+	llhh	%r0, -524289
+	llhh	%r0, 524288
+
+#CHECK: error: invalid operand
 #CHECK: loc	%r0,0,-1
 #CHECK: error: invalid operand
 #CHECK: loc	%r0,0,16
diff --git a/test/MC/SystemZ/insn-bad.s b/test/MC/SystemZ/insn-bad.s
index 8bfb134471..3a46c48d7f 100644
--- a/test/MC/SystemZ/insn-bad.s
+++ b/test/MC/SystemZ/insn-bad.s
@@ -1611,6 +1611,11 @@
 	llc	%r0, -524289
 	llc	%r0, 524288
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: llch	%r0, 0
+
+	llch	%r0, 0
+
 #CHECK: error: invalid operand
 #CHECK: llgc	%r0, -524289
 #CHECK: error: invalid operand
@@ -1671,6 +1676,11 @@
 	llh	%r0, -524289
 	llh	%r0, 524288
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: llhh	%r0, 0
+
+	llhh	%r0, 0
+
 #CHECK: error: offset out of range
 #CHECK: llhrl	%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 fa4471e598..ca8832930e 100644
--- a/test/MC/SystemZ/insn-good-z196.s
+++ b/test/MC/SystemZ/insn-good-z196.s
@@ -229,6 +229,50 @@
 	lhh	%r0, 524287(%r15,%r1)
 	lhh	%r15, 0
 
+#CHECK: llch	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc2]
+#CHECK: llch	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc2]
+#CHECK: llch	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc2]
+#CHECK: llch	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc2]
+#CHECK: llch	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc2]
+#CHECK: llch	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc2]
+#CHECK: llch	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc2]
+#CHECK: llch	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc2]
+#CHECK: llch	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc2]
+#CHECK: llch	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc2]
+
+	llch	%r0, -524288
+	llch	%r0, -1
+	llch	%r0, 0
+	llch	%r0, 1
+	llch	%r0, 524287
+	llch	%r0, 0(%r1)
+	llch	%r0, 0(%r15)
+	llch	%r0, 524287(%r1,%r15)
+	llch	%r0, 524287(%r15,%r1)
+	llch	%r15, 0
+
+#CHECK: llhh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc6]
+#CHECK: llhh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc6]
+#CHECK: llhh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc6]
+#CHECK: llhh	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc6]
+#CHECK: llhh	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc6]
+#CHECK: llhh	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc6]
+#CHECK: llhh	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc6]
+#CHECK: llhh	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc6]
+#CHECK: llhh	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc6]
+#CHECK: llhh	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc6]
+
+	llhh	%r0, -524288
+	llhh	%r0, -1
+	llhh	%r0, 0
+	llhh	%r0, 1
+	llhh	%r0, 524287
+	llhh	%r0, 0(%r1)
+	llhh	%r0, 0(%r15)
+	llhh	%r0, 524287(%r1,%r15)
+	llhh	%r0, 524287(%r15,%r1)
+	llhh	%r15, 0
+
 #CHECK: loc	%r0, 0, 0               # encoding: [0xeb,0x00,0x00,0x00,0x00,0xf2]
 #CHECK: loc	%r0, 0, 15              # encoding: [0xeb,0x0f,0x00,0x00,0x00,0xf2]
 #CHECK: loc	%r0, -524288, 0         # encoding: [0xeb,0x00,0x00,0x00,0x80,0xf2]