Don't optimize relocation against _DYNAMIC

bfd/

	* elf32-i386.c (elf_i386_convert_mov_to_lea): Don't optimize
	_DYNAMIC.
	* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Likewise.

ld/testsuite/

	* ld-i386/i386.exp: Run mov1a, mov1b.
	* ld-x86-64/x86-64.exp: Run mov1a, mov1b, mov1c, mov1d.

	* ld-i386/mov1.s: New file.
	* ld-i386/mov1a.d: Likewise.
	* ld-i386/mov1b.d: Likewise.
	* ld-x86-64/mov1.s: Likewise.
	* ld-x86-64/mov1a.d: Likewise.
	* ld-x86-64/mov1b.d: Likewise.
	* ld-x86-64/mov1c.d: Likewise.
	* ld-x86-64/mov1d.d: Likewise.

6 files changed, 62 insertions, 0 deletions

diff --git a/ld/testsuite/ld-x86-64/mov1.s b/ld/testsuite/ld-x86-64/mov1.s
new file mode 100644
index 0000000..2a11b7a
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/mov1.s
@@ -0,0 +1,6 @@
+	.text
+	.globl	_start
+	.type	_start, @function
+_start:
+	movq	_DYNAMIC@GOTPCREL(%rip), %rax
+	.size	_start, .-_start
diff --git a/ld/testsuite/ld-x86-64/mov1a.d b/ld/testsuite/ld-x86-64/mov1a.d
new file mode 100644
index 0000000..df156be
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/mov1a.d
@@ -0,0 +1,13 @@
+#source: mov1.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	48 8b 05 ([0-9a-f]{2} ){4} *	mov    0x[a-f0-9]+\(%rip\),%rax        # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
+#pass
diff --git a/ld/testsuite/ld-x86-64/mov1b.d b/ld/testsuite/ld-x86-64/mov1b.d
new file mode 100644
index 0000000..2f2f6f5
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/mov1b.d
@@ -0,0 +1,13 @@
+#source: mov1.s
+#as: --64
+#ld: -pie -melf_x86_64
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	48 8b 05 ([0-9a-f]{2} ){4} *	mov    0x[a-f0-9]+\(%rip\),%rax        # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
+#pass
diff --git a/ld/testsuite/ld-x86-64/mov1c.d b/ld/testsuite/ld-x86-64/mov1c.d
new file mode 100644
index 0000000..a57e1c1
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/mov1c.d
@@ -0,0 +1,13 @@
+#source: mov1.s
+#as: --x32
+#ld: -shared -melf32_x86_64
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	48 8b 05 ([0-9a-f]{2} ){4} *	mov    0x[a-f0-9]+\(%rip\),%rax        # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
+#pass
diff --git a/ld/testsuite/ld-x86-64/mov1d.d b/ld/testsuite/ld-x86-64/mov1d.d
new file mode 100644
index 0000000..955d33e
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/mov1d.d
@@ -0,0 +1,13 @@
+#source: mov1.s
+#as: --x32
+#ld: -pie -melf32_x86_64
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	48 8b 05 ([0-9a-f]{2} ){4} *	mov    0x[a-f0-9]+\(%rip\),%rax        # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
+#pass
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index 7eabf39..1ad54e6 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -288,6 +288,10 @@ run_dump_test "lea1i"
 run_dump_test "lea1j"
 run_dump_test "lea1k"
 run_dump_test "lea1l"
+run_dump_test "mov1a"
+run_dump_test "mov1b"
+run_dump_test "mov1c"
+run_dump_test "mov1d"
 
 # Must be native with the C compiler
 if { [isnative] && [which $CC] != 0 } {