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