From b7a87de3cdb54a3484cf21b86fcec93d15e101ae Mon Sep 17 00:00:00 2001
From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Mon, 29 May 2023 01:04:58 +0300
Subject: [PATCH] ppc: support ffadds instruction

---
 gas/testsuite/gas/ppc/ffadds.d | 14 ++++++++++++++
 gas/testsuite/gas/ppc/ffadds.s |  6 ++++++
 gas/testsuite/gas/ppc/ppc.exp  |  1 +
 opcodes/ppc-opc.c              |  2 ++
 4 files changed, 23 insertions(+)
 create mode 100644 gas/testsuite/gas/ppc/ffadds.d
 create mode 100644 gas/testsuite/gas/ppc/ffadds.s

diff --git a/gas/testsuite/gas/ppc/ffadds.d b/gas/testsuite/gas/ppc/ffadds.d
new file mode 100644
index 00000000000..daac033b937
--- /dev/null
+++ b/gas/testsuite/gas/ppc/ffadds.d
@@ -0,0 +1,14 @@
+#as: -mlibresoc
+#objdump: -dr -Mlibresoc
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+0+ <\.text>:
+.*:\s+(ef e0 07 c0|c0 07 e0 ef)\s+ffadds\s+f31,f0,f0
+.*:\s+(ec 1f 07 c0|c0 07 1f ec)\s+ffadds\s+f0,f31,f0
+.*:\s+(ec 00 ff c0|c0 ff 00 ec)\s+ffadds\s+f0,f0,f31
+.*:\s+(ef e0 07 c1|c1 07 e0 ef)\s+ffadds.\s+f31,f0,f0
+.*:\s+(ec 1f 07 c1|c1 07 1f ec)\s+ffadds.\s+f0,f31,f0
+.*:\s+(ec 00 ff c1|c1 ff 00 ec)\s+ffadds.\s+f0,f0,f31
diff --git a/gas/testsuite/gas/ppc/ffadds.s b/gas/testsuite/gas/ppc/ffadds.s
new file mode 100644
index 00000000000..8529c624bdd
--- /dev/null
+++ b/gas/testsuite/gas/ppc/ffadds.s
@@ -0,0 +1,6 @@
+ffadds 31,0,0
+ffadds 0,31,0
+ffadds 0,0,31
+ffadds. 31,0,0
+ffadds. 0,31,0
+ffadds. 0,0,31
diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index 5da429e1a80..9cbfcc231e1 100644
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -180,3 +180,4 @@ run_dump_test "ffmadds"
 run_dump_test "ffnmsubs"
 run_dump_test "ffnmadds"
 run_dump_test "fdmadds"
+run_dump_test "ffmadds"
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index d168258374f..ab06775d9ff 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -9507,6 +9507,8 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 {"flog10s.",	XRC(59,973,1),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRB}},
 {"fremainders",	XRC(59,975,0),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRA, FRB}},
 {"fremainders.",	XRC(59,975,1),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRA, FRB}},
+{"ffadds",	A(59,992,0),	AFRC_MASK,	SFFS,	PPCVLE,		{FRT, FRA, FRB}},
+{"ffadds.",	A(59,992,1),	AFRC_MASK,	SFFS,	PPCVLE,		{FRT, FRA, FRB}},
 {"fpowrs",	XRC(59,1004,0),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRA, FRB}},
 {"fpowrs.",	XRC(59,1004,1),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRA, FRB}},
 {"fpows",	XRC(59,1005,0),	X_MASK,	SFFS,	PPCVLE,	{FRT, FRA, FRB}},
-- 
2.30.2