From 0f486d34c69cc9a5530f93dcb353fcbd2ed6c0ef 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 fdmadds instruction

---
 gas/testsuite/gas/ppc/fdmadds.d | 14 ++++++++++++++
 gas/testsuite/gas/ppc/fdmadds.s |  6 ++++++
 gas/testsuite/gas/ppc/ppc.exp   |  1 +
 opcodes/ppc-opc.c               |  3 +++
 4 files changed, 24 insertions(+)
 create mode 100644 gas/testsuite/gas/ppc/fdmadds.d
 create mode 100644 gas/testsuite/gas/ppc/fdmadds.s

diff --git a/gas/testsuite/gas/ppc/fdmadds.d b/gas/testsuite/gas/ppc/fdmadds.d
new file mode 100644
index 00000000000..7c1eb561896
--- /dev/null
+++ b/gas/testsuite/gas/ppc/fdmadds.d
@@ -0,0 +1,14 @@
+#as: -mlibresoc
+#objdump: -dr -Mlibresoc
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+0+ <\.text>:
+.*:\s+(ef e0 00 36|36 00 e0 ef)\s+fdmadds\s+f31,f0,f0
+.*:\s+(ec 1f 00 36|36 00 1f ec)\s+fdmadds\s+f0,f31,f0
+.*:\s+(ec 00 f8 36|36 f8 00 ec)\s+fdmadds\s+f0,f0,f31
+.*:\s+(ef e0 00 37|37 00 e0 ef)\s+fdmadds.\s+f31,f0,f0
+.*:\s+(ec 1f 00 37|37 00 1f ec)\s+fdmadds.\s+f0,f31,f0
+.*:\s+(ec 00 f8 37|37 f8 00 ec)\s+fdmadds.\s+f0,f0,f31
diff --git a/gas/testsuite/gas/ppc/fdmadds.s b/gas/testsuite/gas/ppc/fdmadds.s
new file mode 100644
index 00000000000..fd504ad9447
--- /dev/null
+++ b/gas/testsuite/gas/ppc/fdmadds.s
@@ -0,0 +1,6 @@
+fdmadds 31,0,0
+fdmadds 0,31,0
+fdmadds 0,0,31
+fdmadds. 31,0,0
+fdmadds. 0,31,0
+fdmadds. 0,0,31
diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index 18c7ba0d842..5da429e1a80 100644
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -179,3 +179,4 @@ run_dump_test "ffmsubs"
 run_dump_test "ffmadds"
 run_dump_test "ffnmsubs"
 run_dump_test "ffnmadds"
+run_dump_test "fdmadds"
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index 63507983c66..d168258374f 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -9222,6 +9222,9 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 {"frsqrtes.",	A(59,26,1),   AFRAFRC_MASK,  POWER7,	PPCVLE,		{FRT, FRB}},
 {"frsqrtes.",	A(59,26,1),   AFRALFRC_MASK, POWER5,	POWER7|PPCVLE,	{FRT, FRB, A_L}},
 
+{"fdmadds",	A(59,27,0),	AFRC_MASK,   SFFS,	PPCVLE,		{FRT, FRA, FRB}},
+{"fdmadds.",	A(59,27,1),	AFRC_MASK,   SFFS,	PPCVLE,		{FRT, FRA, FRB}},
+
 {"fmsubs",	A(59,28,0),	A_MASK,	     PPC,	PPCEFS|PPCVLE,	{FRT, FRA, FRC, FRB}},
 {"fmsubs.",	A(59,28,1),	A_MASK,	     PPC,	PPCEFS|PPCVLE,	{FRT, FRA, FRC, FRB}},
 
-- 
2.30.2