From cd2f743e5db41e0f07fb92760d17131d1518f22a Mon Sep 17 00:00:00 2001
From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Mon, 29 May 2023 01:04:57 +0300
Subject: [PATCH] ppc: support dsrd instruction

---
 gas/testsuite/gas/ppc/dsrd.d  | 16 ++++++++++++++++
 gas/testsuite/gas/ppc/dsrd.s  |  8 ++++++++
 gas/testsuite/gas/ppc/ppc.exp |  1 +
 opcodes/ppc-opc.c             |  2 ++
 4 files changed, 27 insertions(+)
 create mode 100644 gas/testsuite/gas/ppc/dsrd.d
 create mode 100644 gas/testsuite/gas/ppc/dsrd.s

diff --git a/gas/testsuite/gas/ppc/dsrd.d b/gas/testsuite/gas/ppc/dsrd.d
new file mode 100644
index 00000000000..a44381813aa
--- /dev/null
+++ b/gas/testsuite/gas/ppc/dsrd.d
@@ -0,0 +1,16 @@
+#as: -mlibresoc
+#objdump: -dr -Mlibresoc
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+0+ <\.text>:
+.*:\s+(13 e0 00 36|36 00 e0 13)\s+dsrd\s+r31,r0,r0,r0
+.*:\s+(10 1f 00 36|36 00 1f 10)\s+dsrd\s+r0,r31,r0,r0
+.*:\s+(10 00 f8 36|36 f8 00 10)\s+dsrd\s+r0,r0,r31,r0
+.*:\s+(10 00 07 f6|f6 07 00 10)\s+dsrd\s+r0,r0,r0,r31
+.*:\s+(13 e0 00 37|37 00 e0 13)\s+dsrd.\s+r31,r0,r0,r0
+.*:\s+(10 1f 00 37|37 00 1f 10)\s+dsrd.\s+r0,r31,r0,r0
+.*:\s+(10 00 f8 37|37 f8 00 10)\s+dsrd.\s+r0,r0,r31,r0
+.*:\s+(10 00 07 f7|f7 07 00 10)\s+dsrd.\s+r0,r0,r0,r31
diff --git a/gas/testsuite/gas/ppc/dsrd.s b/gas/testsuite/gas/ppc/dsrd.s
new file mode 100644
index 00000000000..96faf9a469e
--- /dev/null
+++ b/gas/testsuite/gas/ppc/dsrd.s
@@ -0,0 +1,8 @@
+dsrd 31,0,0,0
+dsrd 0,31,0,0
+dsrd 0,0,31,0
+dsrd 0,0,0,31
+dsrd. 31,0,0,0
+dsrd. 0,31,0,0
+dsrd. 0,0,31,0
+dsrd. 0,0,0,31
diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index 6f41bb48b35..cc4c755df1e 100644
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -172,3 +172,4 @@ run_dump_test "maddedu"
 run_dump_test "divmod2du"
 run_dump_test "sadd"
 run_dump_test "dsld"
+run_dump_test "dsrd"
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index 7f4486a2ae4..96037806129 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -5216,6 +5216,8 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 {"ps_muls1",	A  (4,	13,0),	AFRB_MASK,   PPCPS,	0,		{FRT, FRA, FRC}},
 {"dsld",	VA2(4,26,0),	VA2_MASK,    SFFS,	PPCVLE,		{RT, RA, RB, RC}},
 {"dsld.",	VA2(4,26,1),	VA2_MASK,    SFFS,	PPCVLE,		{RT, RA, RB, RC}},
+{"dsrd",	VA2(4,27,0),	VA2_MASK,    SFFS,	PPCVLE,		{RT, RA, RB, RC}},
+{"dsrd.",	VA2(4,27,1),	VA2_MASK,    SFFS,	PPCVLE,		{RT, RA, RB, RC}},
 {"vextduhvrx",	VX (4,  27),	VXRC_MASK,   POWER10,	0,		{VD, VA, VB, RC}},
 {"ps_muls1.",	A  (4,	13,1),	AFRB_MASK,   PPCPS,	0,		{FRT, FRA, FRC}},
 {"vextduwvlx",	VX (4,  28),	VXRC_MASK,   POWER10,	0,		{VD, VA, VB, RC}},
-- 
2.30.2