[Bug gold/17809] New: Initial-Exec to Local-Exec isn't handled properly for x32

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17809

            Bug ID: 17809
           Summary: Initial-Exec to Local-Exec isn't handled properly for
                    x32
           Product: binutils
           Version: 2.26 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at google dot com
          Reporter: hjl.tools at gmail dot com
                CC: ian at airs dot com

address@hidden gold]$ cat x.s
    .text
    .globl _start
_start:
    mov    address@hidden(%rip), %eax
    add    address@hidden(%rip), %eax
    mov    address@hidden(%rip), %r8d
    add    address@hidden(%rip), %r8d
    mov    address@hidden(%rip), %r12d
    add    address@hidden(%rip), %r12d
    .globl    foo
    .section    .tdata,"awT",@progbits
    .align 4
    .type    foo, @object
    .size    foo, 4
foo:
    .long    100
address@hidden gold]$ make
cc -O2 -mx32 -c x.s
./ld -m elf32_x86_64 -o x x.o
objdump -dw x > x.out
ld.bfd -m elf32_x86_64 -o y x.o
objdump -dw y > y.out
diff -up y.out x.out
--- y.out    2015-01-06 12:52:43.874735121 -0800
+++ x.out    2015-01-06 12:52:43.871735117 -0800
@@ -1,5 +1,5 @@

-y:     file format elf32-x86-64
+x:     file format elf32-x86-64


 Disassembly of section .text:
@@ -7,7 +7,7 @@ Disassembly of section .text:
 00400094 <_start>:
   400094:    40 c7 c0 fc ff ff ff     rex mov $0xfffffffc,%eax
   40009b:    40 8d 80 fc ff ff ff     rex lea -0x4(%rax),%eax
-  4000a2:    41 c7 c0 fc ff ff ff     mov    $0xfffffffc,%r8d
-  4000a9:    45 8d 80 fc ff ff ff     lea    -0x4(%r8),%r8d
-  4000b0:    41 c7 c4 fc ff ff ff     mov    $0xfffffffc,%r12d
-  4000b7:    41 81 c4 fc ff ff ff     add    $0xfffffffc,%r12d
+  4000a2:    44 c7 c0 fc ff ff ff     rex.R mov $0xfffffffc,%eax
+  4000a9:    44 8d 80 fc ff ff ff     lea    -0x4(%rax),%r8d

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