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/// @file
/// Contains an implementation of longjmp for the Itanium-based architecture.
///
/// Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
/// This program and the accompanying materials
/// are licensed and made available under the terms and conditions of the BSD License
/// which accompanies this distribution. The full text of the license may be found at
/// http://opensource.org/licenses/bsd-license.php
///
/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
///
/// Module Name: longjmp.s
///
///
.auto
.text
.proc InternalLongJump
.type InternalLongJump, @function
.regstk 2, 0, 0, 0
InternalLongJump::
add r10 = 0x10*20 + 8*14, in0
movl r2 = ~((((1 << 14) - 1) << 16) | 3)
ld8.nt1 r14 = [r10], -8*2 // BSP, skip PFS
mov r15 = ar.bspstore // BSPSTORE
ld8.nt1 r17 = [r10], -8 // UNAT after spill
mov r16 = ar.rsc // RSC
cmp.leu p6 = r14, r15
ld8.nt1 r18 = [r10], -8 // UNAT
ld8.nt1 r25 = [r10], -8 // b5
and r2 = r16, r2
ldf.fill.nt1 f2 = [in0], 0x10
ld8.nt1 r24 = [r10], -8 // b4
mov b5 = r25
mov ar.rsc = r2
ld8.nt1 r23 = [r10], -8 // b3
mov b4 = r24
ldf.fill.nt1 f3 = [in0], 0x10
mov ar.unat = r17
(p6) br.spnt.many _skip_flushrs
flushrs
mov r15 = ar.bsp // New BSPSTORE
_skip_flushrs:
mov r31 = ar.rnat // RNAT
loadrs
ldf.fill.nt1 f4 = [in0], 0x10
ld8.nt1 r22 = [r10], -8
dep r2 = -1, r14, 3, 6
ldf.fill.nt1 f5 = [in0], 0x10
ld8.nt1 r21 = [r10], -8
cmp.ltu p6 = r2, r15
ld8.nt1 r20 = [r10], -0x10 // skip sp
(p6) ld8.nta r31 = [r2]
mov b3 = r23
ldf.fill.nt1 f16 = [in0], 0x10
ld8.fill.nt1 r7 = [r10], -8
mov b2 = r22
ldf.fill.nt1 f17 = [in0], 0x10
ld8.fill.nt1 r6 = [r10], -8
mov b1 = r21
ldf.fill.nt1 f18 = [in0], 0x10
ld8.fill.nt1 r5 = [r10], -8
mov b0 = r20
ldf.fill.nt1 f19 = [in0], 0x10
ld8.fill.nt1 r4 = [r10], 8*13
ldf.fill.nt1 f20 = [in0], 0x10
ld8.nt1 r19 = [r10], 0x10 // PFS
ldf.fill.nt1 f21 = [in0], 0x10
ld8.nt1 r26 = [r10], 8 // Predicate
mov ar.pfs = r19
ldf.fill.nt1 f22 = [in0], 0x10
ld8.nt1 r27 = [r10], 8 // LC
mov pr = r26, -1
ldf.fill.nt1 f23 = [in0], 0x10
ld8.nt1 r28 = [r10], -17*8 - 0x10
mov ar.lc = r27
ldf.fill.nt1 f24 = [in0], 0x10
ldf.fill.nt1 f25 = [in0], 0x10
mov r8 = in1
ldf.fill.nt1 f26 = [in0], 0x10
ldf.fill.nt1 f31 = [r10], -0x10
ldf.fill.nt1 f27 = [in0], 0x10
ldf.fill.nt1 f30 = [r10], -0x10
ldf.fill.nt1 f28 = [in0]
ldf.fill.nt1 f29 = [r10], 0x10*3 + 8*4
ld8.fill.nt1 sp = [r10]
mov ar.unat = r18
mov ar.bspstore = r14
mov ar.rnat = r31
invala
mov ar.rsc = r16
br.ret.sptk b0
.endp
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