Rename a64 target arch to arm64 in blink_heap.gypi

Source/heap/asm/SaveRegisters_a64.S

Index: Source/heap/asm/SaveRegisters_a64.S
diff --git a/Source/heap/asm/SaveRegisters_a64.S b/Source/heap/asm/SaveRegisters_a64.S
deleted file mode 100644
index 7bb988d0d153fef227cd7d1133dba10e96931d84..0000000000000000000000000000000000000000
--- a/Source/heap/asm/SaveRegisters_a64.S
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2014 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-
-/*
- * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, intptr_t*);
- * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegistersCallback)
- */
-
-.type pushAllRegisters, %function
-.global pushAllRegisters
-.hidden pushAllRegisters
-pushAllRegisters:
-        /* Save return address. */
-        sub sp, sp, #96
-        stp x19, x20, [sp, #80]
-        stp x21, x22, [sp, #64]
-        stp x23, x24, [sp, #48]
-        stp x25, x26, [sp, #32]
-        stp x27, x28, [sp, #16]
-        stp x30, x29, [sp, #0]  // x30 is lr.
-
-        /* Pass the two first arguments unchanged (x0, x1)
-         * and pass the stack pointer as third argument to the
-         * callback function.
-         */
-        mov x3, x2
-        mov x2, sp
-        blr x3
-
-        /* We don't restore all registers since they are callee saved (so
-         * the callback didn't clobber them) and we didn't modify them either.
-         */
-        ldr x30, [sp], #96
-        ret