RISC-V: Add partial instruction display tests When objdump is specified with a stop address that ends up in the middle of an instruction, the partial instruction is expected to be displayed. These three tests check that the partial instruction is correctly displayed when there are 1, 2, or 3 bytes of the instruction dumped. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>

diff --git a/gas/testsuite/gas/riscv/dis-partial-insn-byte.d b/gas/testsuite/gas/riscv/dis-partial-insn-byte.d
new file mode 100644
index 0000000..f8c149c
--- /dev/null
+++ b/gas/testsuite/gas/riscv/dis-partial-insn-byte.d

@@ -0,0 +1,11 @@
+#as:
+#source: dis-partial-insn.s
+#objdump: --start-address 0 --stop-address 1 -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ 	]+0:[ 	]+13[ 	]+.byte[ 	]+0x13

diff --git a/gas/testsuite/gas/riscv/dis-partial-insn-short.d b/gas/testsuite/gas/riscv/dis-partial-insn-short.d
new file mode 100644
index 0000000..4a7d6d9
--- /dev/null
+++ b/gas/testsuite/gas/riscv/dis-partial-insn-short.d

@@ -0,0 +1,11 @@
+#as:
+#source: dis-partial-insn.s
+#objdump: --start-address 0 --stop-address 2 -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ 	]+0:[ 	]+0013[ 	]+.short[ 	]+0x0013

diff --git a/gas/testsuite/gas/riscv/dis-partial-insn-word.d b/gas/testsuite/gas/riscv/dis-partial-insn-word.d
new file mode 100644
index 0000000..2f52153
--- /dev/null
+++ b/gas/testsuite/gas/riscv/dis-partial-insn-word.d

@@ -0,0 +1,11 @@
+#as:
+#source: dis-partial-insn.s
+#objdump: --start-address 0 --stop-address 3 -d
+
+.*:[ 	]+file format .*
+
+
+Disassembly of section .text:
+
+0+000 <target>:
+[ 	]+0:[ 	]+000013[ 	]+.word[ 	]+0x000013

diff --git a/gas/testsuite/gas/riscv/dis-partial-insn.s b/gas/testsuite/gas/riscv/dis-partial-insn.s
new file mode 100644
index 0000000..9945688
--- /dev/null
+++ b/gas/testsuite/gas/riscv/dis-partial-insn.s

@@ -0,0 +1,2 @@
+target:
+	nop