Delete bundled copy of NSS and replace with README.

nspr/pr/src/md/unix/os_Linux_x86.s

Index: nspr/pr/src/md/unix/os_Linux_x86.s
diff --git a/nspr/pr/src/md/unix/os_Linux_x86.s b/nspr/pr/src/md/unix/os_Linux_x86.s
deleted file mode 100644
index a72acf5d703ba2d1362de69e788f1e862e69ad91..0000000000000000000000000000000000000000
--- a/nspr/pr/src/md/unix/os_Linux_x86.s
+++ /dev/null
@@ -1,85 +0,0 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
-// 
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// PRInt32 _PR_x86_AtomicIncrement(PRInt32 *val)
-//
-// Atomically increment the integer pointed to by 'val' and return
-// the result of the increment.
-//
-    .text
-    .globl _PR_x86_AtomicIncrement
-    .align 4
-_PR_x86_AtomicIncrement:
-    movl 4(%esp), %ecx
-    movl $1, %eax
-    lock
-    xaddl %eax, (%ecx)
-    incl %eax
-    ret
-
-// PRInt32 _PR_x86_AtomicDecrement(PRInt32 *val)
-//
-// Atomically decrement the integer pointed to by 'val' and return
-// the result of the decrement.
-//
-    .text
-    .globl _PR_x86_AtomicDecrement
-    .align 4
-_PR_x86_AtomicDecrement:
-    movl 4(%esp), %ecx
-    movl $-1, %eax
-    lock
-    xaddl %eax, (%ecx)
-    decl %eax
-    ret
-
-// PRInt32 _PR_x86_AtomicSet(PRInt32 *val, PRInt32 newval)
-//
-// Atomically set the integer pointed to by 'val' to the new
-// value 'newval' and return the old value.
-//
-// An alternative implementation:
-//   .text
-//   .globl _PR_x86_AtomicSet
-//   .align 4
-//_PR_x86_AtomicSet:
-//   movl 4(%esp), %ecx
-//   movl 8(%esp), %edx
-//   movl (%ecx), %eax
-//retry:
-//   lock
-//   cmpxchgl %edx, (%ecx)
-//   jne retry
-//   ret
-//
-    .text
-    .globl _PR_x86_AtomicSet
-    .align 4
-_PR_x86_AtomicSet:
-    movl 4(%esp), %ecx
-    movl 8(%esp), %eax
-    xchgl %eax, (%ecx)
-    ret
-
-// PRInt32 _PR_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val)
-//
-// Atomically add 'val' to the integer pointed to by 'ptr'
-// and return the result of the addition.
-//
-    .text
-    .globl _PR_x86_AtomicAdd
-    .align 4
-_PR_x86_AtomicAdd:
-    movl 4(%esp), %ecx
-    movl 8(%esp), %eax
-    movl %eax, %edx
-    lock
-    xaddl %eax, (%ecx)
-    addl %edx, %eax
-    ret
-
-// Magic indicating no need for an executable stack
-.section .note.GNU-stack, "", @progbits ; .previous