From 65d1bc05e89e45b102783422c3984ed718547d5c Mon Sep 17 00:00:00 2001
From: Andre Vieira <andre.simoesdiasvieira@arm.com>
Date: Mon, 15 Apr 2019 11:42:10 +0100
Subject: [binutils, ARM, 9/16] New BFL instruction for Armv8.1-M Mainline

This patch is part of a series of patches to add support for Armv8.1-M Mainline
instructions to binutils.

This patch adds the BFL instruction.

*** gas/ChangeLog ***

2019-04-15  Sudakshina Das  <sudi.das@arm.com>
             Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/tc-arm.c (T16_32_TAB): New entrie for bfl.
	(do_t_v8_1_branch): New switch case for bfl.
	(insns): New instruction for bfl.
	* testsuite/gas/arm/armv8_1-m-bfl.d: New.
	* testsuite/gas/arm/armv8_1-m-bfl.s: New.
	* testsuite/gas/arm/armv8_1-m-bfl-bad.s: New.
	* testsuite/gas/arm/armv8_1-m-bfl-bad.d: New.
	* testsuite/gas/arm/armv8_1-m-bfl-bad.l: New.
	* testsuite/gas/arm/armv8_1-m-bfl-rel.d: New.
	* testsuite/gas/arm/armv8_1-m-bfl-rel.s: New.

*** ld/ChangeLog ***

2019-04-15  Sudakshina Das  <sudi.das@arm.com>

	* testsuite/ld-arm/bfl.s: New.
	* testsuite/ld-arm/bfl.d: New.
	* testsuite/ld-arm/arm-elf.exp: Add above test.

*** opcodes/ChangeLog ***

2019-04-15  Sudakshina Das  <sudi.das@arm.com>

	* arm-dis.c (thumb32_opcodes): New instruction bfl.
---
 ld/ChangeLog                    |  6 ++++++
 ld/testsuite/ld-arm/arm-elf.exp |  3 +++
 ld/testsuite/ld-arm/bfl.d       | 14 ++++++++++++++
 ld/testsuite/ld-arm/bfl.s       | 19 +++++++++++++++++++
 4 files changed, 42 insertions(+)
 create mode 100644 ld/testsuite/ld-arm/bfl.d
 create mode 100644 ld/testsuite/ld-arm/bfl.s

(limited to 'ld')

diff --git a/ld/ChangeLog b/ld/ChangeLog
index bc8c219..1e3ee39 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,11 @@
 2019-04-15  Sudakshina Das  <sudi.das@arm.com>
 
+	* testsuite/ld-arm/bfl.s: New.
+	* testsuite/ld-arm/bfl.d: New.
+	* testsuite/ld-arm/arm-elf.exp: Add above test.
+
+2019-04-15  Sudakshina Das  <sudi.das@arm.com>
+
 	* testsuite/ld-arm/bf.s: New.
 	* testsuite/ld-arm/bf.d: New.
 	* testsuite/ld-arm/arm-elf.exp: Add above test.
diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index ef3a49c..528565e 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -670,6 +670,9 @@ set armeabitests_nonacl {
      {"Armv8.1-M Mainline BF" "-r -Ttext 0x1000 --section-start .foo=0x1001000" "" "-march=armv8.1-m.main" {bf.s}
       {{objdump -dr bf.d}}
      "bf"}
+     {"Armv8.1-M Mainline BFL" "-r -Ttext 0x1000 --section-start .foo=0x1001000" "" "-march=armv8.1-m.main" {bfl.s}
+      {{objdump -dr bfl.d}}
+     "bfl"}
 
     {"R_ARM_THM_JUMP24 Relocation veneers: Short 1"
      "--no-fix-arm1176 --section-start destsect=0x00009000 --section-start .text=0x8000" ""
diff --git a/ld/testsuite/ld-arm/bfl.d b/ld/testsuite/ld-arm/bfl.d
new file mode 100644
index 0000000..dcf3202
--- /dev/null
+++ b/ld/testsuite/ld-arm/bfl.d
@@ -0,0 +1,14 @@
+
+.*:     file format elf32-.*arm
+
+
+Disassembly of section .text:
+
+00001000 <_start>:
+    1000:	f0ff c7ff 	bfl	2, 1001000 <bar>
+			1000: R_ARM_THM_BF18	bar
+
+Disassembly of section .foo:
+
+01001000 <bar>:
+ 1001000:	4770      	bx	lr
diff --git a/ld/testsuite/ld-arm/bfl.s b/ld/testsuite/ld-arm/bfl.s
new file mode 100644
index 0000000..e9fb0a70
--- /dev/null
+++ b/ld/testsuite/ld-arm/bfl.s
@@ -0,0 +1,19 @@
+	.global _start
+	.syntax unified
+
+@ We will place the section .text at 0x1000.
+
+	.text
+	.thumb_func
+
+_start:
+	bfl 2, bar
+
+@ We will place the section .foo at 0x1001000.
+
+	.section .foo, "xa"
+	.thumb_func
+
+bar:
+	bx lr
+
-- 
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