Power10 Add new L operand to the slbiag instruction

[Alan Modra]

opcodes/
	* ppc-opc.c (powerpc_opcodes) <slbiag>: Add variant with L operand.
gas/
	* testsuite/gas/ppc/power10.s: New test.
	* testsuite/gas/ppc/power10.d: Likewise.
	* testsuite/gas/ppc/ppc.exp: Run it.

diff --git a/gas/testsuite/gas/ppc/power10.d b/gas/testsuite/gas/ppc/power10.d
new file mode 100644
index 0000000000..5d8198da5a
--- /dev/null
+++ b/gas/testsuite/gas/ppc/power10.d
@@ -0,0 +1,13 @@
+#as: -mpower10
+#objdump: -dr -Mpower10
+#name: POWER10 tests
+
+.*
+
+Disassembly of section \.text:
+
+0+0 <_start>:
+.*:	(7d 40 06 a4|a4 06 40 7d) 	slbiag  r10
+.*:	(7d 40 06 a4|a4 06 40 7d) 	slbiag  r10
+.*:	(7d 41 06 a4|a4 06 41 7d) 	slbiag  r10,1
+#pass
diff --git a/gas/testsuite/gas/ppc/power10.s b/gas/testsuite/gas/ppc/power10.s
new file mode 100644
index 0000000000..9e7daf5618
--- /dev/null
+++ b/gas/testsuite/gas/ppc/power10.s
@@ -0,0 +1,5 @@
+	.text
+_start:
+	slbiag	10
+	slbiag	10,0
+	slbiag	10,1
diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index bb1ce2a2a1..6426996833 100644
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -120,6 +120,7 @@ run_dump_test "power6"
 run_dump_test "power7"
 run_dump_test "power8"
 run_dump_test "power9"
+run_dump_test "power10"
 run_dump_test "vsx"
 run_dump_test "vsx2"
 run_dump_test "vsx3"
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index baabab6457..537171861c 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -7085,7 +7085,9 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 
 {"tlbsrx.",	XRC(31,850,1),	XRT_MASK,    PPCA2,	0,		{RA0, RB}},
 
-{"slbiag",	X(31,850),	XRARB_MASK,  POWER9,	0,		{RS}},
+{"slbiag",	X(31,850),	XRLARB_MASK, POWER10,	0,		{RS, A_L}},
+{"slbiag",	X(31,850),	XRARB_MASK,  POWER9,	POWER10,	{RS}},
+
 {"slbmfev",	X(31,851),	XRLA_MASK,   POWER9,	0,		{RT, RB, A_L}},
 {"slbmfev",	X(31,851),	XRA_MASK,    PPC64,	POWER9,		{RT, RB}},
 

-- 
Alan Modra
Australia Development Lab, IBM