[binutils-gdb] MIPS/opcodes: Add MIPS Allegrex DBREAK instruction

[Maciej W. Rozycki]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=60e221e9b7fae5ff40b79b93bdbff909989c2bae

commit 60e221e9b7fae5ff40b79b93bdbff909989c2bae
Author: David Guillen Fandos <david@davidgf.net>
Date:   Tue Jun 11 09:36:11 2024 +0100

    MIPS/opcodes: Add MIPS Allegrex DBREAK instruction
    
    This complements the debug instruction set and uses the same encoding as
    the VR5400/VR5500 devices.

Diff:
---
 gas/testsuite/gas/mips/allegrex.d | 3 ++-
 gas/testsuite/gas/mips/allegrex.s | 1 +
 opcodes/mips-opc.c                | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/gas/testsuite/gas/mips/allegrex.d b/gas/testsuite/gas/mips/allegrex.d
index d0f79671de4..b535c6dbdce 100644
--- a/gas/testsuite/gas/mips/allegrex.d
+++ b/gas/testsuite/gas/mips/allegrex.d
@@ -46,5 +46,6 @@ Disassembly of section .text:
 0x00000094 7002003d 	mfdr	\$2,\$0
 0x00000098 7002083d 	mfdr	\$2,\$1
 0x0000009c 7083083d 	mtdr	\$3,\$1
-0x000000a0 7000003e 	dret
+0x000000a0 7000003f 	dbreak
+0x000000a4 7000003e 	dret
 	\.\.\.
diff --git a/gas/testsuite/gas/mips/allegrex.s b/gas/testsuite/gas/mips/allegrex.s
index c36745882df..df05f97ee47 100644
--- a/gas/testsuite/gas/mips/allegrex.s
+++ b/gas/testsuite/gas/mips/allegrex.s
@@ -40,6 +40,7 @@
 	mfdr	$v0, $0
 	mfdr	$v0, $1
 	mtdr	$v1, $1
+	dbreak
 	dret
 
 # Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c
index a31a17d4b9a..c6cbb66178c 100644
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -1030,7 +1030,7 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"daddu",		"d,v,t",	0x0000002d, 0xfc0007ff, WR_1|RD_2|RD_3,		0,		I3,		0,	0 },
 {"daddu",		"t,r,I",	0,    (int) M_DADDU_I,	INSN_MACRO,		0,		I3,		0,	0 },
 {"daddwc",		"d,s,t", 	0x70000038, 0xfc0007ff, WR_1|RD_2|RD_3|WR_C0|RD_C0, 0,		XLR,		0,	0 },
-{"dbreak",		"",		0x7000003f, 0xffffffff,	0,			0,		N5,		0,	0 },
+{"dbreak",		"",		0x7000003f, 0xffffffff,	0,			0,		N5|AL,		0,	0 },
 {"dclo",		"d,s",		0x00000053, 0xfc1f07ff, WR_1|RD_2,		0,		I69,		0,	0 },
 {"dclo",		"U,s",	 	0x70000025, 0xfc0007ff, WR_1|RD_2, 	0,		I64|N55,	0,	I69 },
 {"dclz",		"d,s",		0x00000052, 0xfc1f07ff, WR_1|RD_2,		0,		I69,		0,	0 },