[SystemZ] Add sign-extending high-word loads (LBH and LHH)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191740 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 afd09b5..634ee87 100644
--- a/test/MC/Disassembler/SystemZ/insns.txt
+++ b/test/MC/Disassembler/SystemZ/insns.txt
@@ -2461,6 +2461,36 @@
 # CHECK: lb %r15, 0
 0xe3 0xf0 0x00 0x00 0x00 0x76
 
+# CHECK: lbh %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc0
+
+# CHECK: lbh %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc0
+
+# CHECK: lbh %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc0
+
+# CHECK: lbh %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc0
+
+# CHECK: lbh %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc0
+
+# CHECK: lbh %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc0
+
+# CHECK: lbh %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc0
+
+# CHECK: lbh %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc0
+
+# CHECK: lbh %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc0
+
+# CHECK: lbh %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc0
+
 # CHECK: lcdbr %f0, %f9
 0xb3 0x13 0x00 0x09
 
@@ -3007,6 +3037,36 @@
 # CHECK: lhi %r15, 0
 0xa7 0xf8 0x00 0x00
 
+# CHECK: lhh %r0, -524288
+0xe3 0x00 0x00 0x00 0x80 0xc4
+
+# CHECK: lhh %r0, -1
+0xe3 0x00 0x0f 0xff 0xff 0xc4
+
+# CHECK: lhh %r0, 0
+0xe3 0x00 0x00 0x00 0x00 0xc4
+
+# CHECK: lhh %r0, 1
+0xe3 0x00 0x00 0x01 0x00 0xc4
+
+# CHECK: lhh %r0, 524287
+0xe3 0x00 0x0f 0xff 0x7f 0xc4
+
+# CHECK: lhh %r0, 0(%r1)
+0xe3 0x00 0x10 0x00 0x00 0xc4
+
+# CHECK: lhh %r0, 0(%r15)
+0xe3 0x00 0xf0 0x00 0x00 0xc4
+
+# CHECK: lhh %r0, 524287(%r1,%r15)
+0xe3 0x01 0xff 0xff 0x7f 0xc4
+
+# CHECK: lhh %r0, 524287(%r15,%r1)
+0xe3 0x0f 0x1f 0xff 0x7f 0xc4
+
+# CHECK: lhh %r15, 0
+0xe3 0xf0 0x00 0x00 0x00 0xc4
+
 # CHECK: lhr %r0, %r15
 0xb9 0x27 0x00 0x0f
 
diff --git a/test/MC/SystemZ/insn-bad-z196.s b/test/MC/SystemZ/insn-bad-z196.s
index cc795d4..6214b8e 100644
--- a/test/MC/SystemZ/insn-bad-z196.s
+++ b/test/MC/SystemZ/insn-bad-z196.s
@@ -73,6 +73,14 @@
 	fixbra	%f2, 0, %f0, 0
 
 #CHECK: error: invalid operand
+#CHECK: lbh	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: lbh	%r0, 524288
+
+	lbh	%r0, -524289
+	lbh	%r0, 524288
+
+#CHECK: error: invalid operand
 #CHECK: lfh	%r0, -524289
 #CHECK: error: invalid operand
 #CHECK: lfh	%r0, 524288
@@ -81,6 +89,14 @@
 	lfh	%r0, 524288
 
 #CHECK: error: invalid operand
+#CHECK: lhh	%r0, -524289
+#CHECK: error: invalid operand
+#CHECK: lhh	%r0, 524288
+
+	lhh	%r0, -524289
+	lhh	%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 2420e40..8bfb134 100644
--- a/test/MC/SystemZ/insn-bad.s
+++ b/test/MC/SystemZ/insn-bad.s
@@ -1390,6 +1390,11 @@
 	lb	%r0, -524289
 	lb	%r0, 524288
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: lbh	%r0, 0
+
+	lbh	%r0, 0
+
 #CHECK: error: invalid register pair
 #CHECK: lcxbr	%f0, %f2
 #CHECK: error: invalid register pair
@@ -1560,6 +1565,11 @@
 	lh	%r0, -1
 	lh	%r0, 4096
 
+#CHECK: error: {{(instruction requires: high-word)?}}
+#CHECK: lhh	%r0, 0
+
+	lhh	%r0, 0
+
 #CHECK: error: invalid operand
 #CHECK: lhi	%r0, -32769
 #CHECK: error: invalid operand
diff --git a/test/MC/SystemZ/insn-good-z196.s b/test/MC/SystemZ/insn-good-z196.s
index 66ce63a..fa4471e 100644
--- a/test/MC/SystemZ/insn-good-z196.s
+++ b/test/MC/SystemZ/insn-good-z196.s
@@ -163,6 +163,28 @@
 	fixbra	%f4, 5, %f8, 9
 	fixbra	%f13, 0, %f0, 0
 
+#CHECK: lbh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc0]
+#CHECK: lbh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc0]
+#CHECK: lbh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc0]
+#CHECK: lbh	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc0]
+#CHECK: lbh	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc0]
+#CHECK: lbh	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc0]
+#CHECK: lbh	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc0]
+#CHECK: lbh	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc0]
+#CHECK: lbh	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc0]
+#CHECK: lbh	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc0]
+
+	lbh	%r0, -524288
+	lbh	%r0, -1
+	lbh	%r0, 0
+	lbh	%r0, 1
+	lbh	%r0, 524287
+	lbh	%r0, 0(%r1)
+	lbh	%r0, 0(%r15)
+	lbh	%r0, 524287(%r1,%r15)
+	lbh	%r0, 524287(%r15,%r1)
+	lbh	%r15, 0
+
 #CHECK: lfh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xca]
 #CHECK: lfh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xca]
 #CHECK: lfh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xca]
@@ -185,6 +207,28 @@
 	lfh	%r0, 524287(%r15,%r1)
 	lfh	%r15, 0
 
+#CHECK: lhh	%r0, -524288            # encoding: [0xe3,0x00,0x00,0x00,0x80,0xc4]
+#CHECK: lhh	%r0, -1                 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0xc4]
+#CHECK: lhh	%r0, 0                  # encoding: [0xe3,0x00,0x00,0x00,0x00,0xc4]
+#CHECK: lhh	%r0, 1                  # encoding: [0xe3,0x00,0x00,0x01,0x00,0xc4]
+#CHECK: lhh	%r0, 524287             # encoding: [0xe3,0x00,0x0f,0xff,0x7f,0xc4]
+#CHECK: lhh	%r0, 0(%r1)             # encoding: [0xe3,0x00,0x10,0x00,0x00,0xc4]
+#CHECK: lhh	%r0, 0(%r15)            # encoding: [0xe3,0x00,0xf0,0x00,0x00,0xc4]
+#CHECK: lhh	%r0, 524287(%r1,%r15)   # encoding: [0xe3,0x01,0xff,0xff,0x7f,0xc4]
+#CHECK: lhh	%r0, 524287(%r15,%r1)   # encoding: [0xe3,0x0f,0x1f,0xff,0x7f,0xc4]
+#CHECK: lhh	%r15, 0                 # encoding: [0xe3,0xf0,0x00,0x00,0x00,0xc4]
+
+	lhh	%r0, -524288
+	lhh	%r0, -1
+	lhh	%r0, 0
+	lhh	%r0, 1
+	lhh	%r0, 524287
+	lhh	%r0, 0(%r1)
+	lhh	%r0, 0(%r15)
+	lhh	%r0, 524287(%r1,%r15)
+	lhh	%r0, 524287(%r15,%r1)
+	lhh	%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]