--- /dev/null
+divert(-1)
+
+dnl m4 macros for amd64 assembler.
+
+dnl Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software
+dnl Foundation, Inc.
+dnl
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU Lesser General Public License as
+dnl published by the Free Software Foundation; either version 3 of the
+dnl License, or (at your option) any later version.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl Lesser General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public License
+dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
+
+
+dnl Notes:
+dnl
+dnl The 32-bit mode x86/x86-defs.m4 has various 32bit-isms, like the
+dnl profiling calls, so it seems cleanest to start a fresh set of defines
+dnl for 64-bit mode.
+
+
+dnl Called: PROLOGUE_cpu(GSYM_PREFIX`'foo)
+dnl
+dnl In the amd64 code we use explicit TEXT and ALIGN() calls in the code,
+dnl since different alignments are wanted in various circumstances. So for
+dnl instance,
+dnl
+dnl TEXT
+dnl ALIGN(16)
+dnl PROLOGUE(mpn_add_n)
+dnl ...
+dnl EPILOGUE()
+
+define(`PROLOGUE_cpu',
+m4_assert_numargs(1)
+` GLOBL $1
+ TYPE($1,`function')
+$1:
+')
+
+
+dnl Usage: ASSERT([cond][,instructions])
+dnl
+dnl If WANT_ASSERT is 1, output the given instructions and expect the given
+dnl flags condition to then be satisfied. For example,
+dnl
+dnl ASSERT(ne, `cmpq %rax, %rbx')
+dnl
+dnl The instructions can be omitted to just assert a flags condition with
+dnl no extra calculation. For example,
+dnl
+dnl ASSERT(nc)
+dnl
+dnl When `instructions' is not empty, a pushfq/popfq is added for
+dnl convenience to preserve the flags, but the instructions themselves must
+dnl preserve any registers that matter.
+dnl
+dnl The condition can be omitted to just output the given instructions when
+dnl assertion checking is wanted. In this case the pushf/popf is omitted.
+dnl For example,
+dnl
+dnl ASSERT(, `movq %rax, VAR_KEEPVAL')
+
+define(ASSERT,
+m4_assert_numargs_range(1,2)
+m4_assert_defined(`WANT_ASSERT')
+`ifelse(WANT_ASSERT,1,
+`ifelse(`$1',,
+` $2',
+`ifelse(`$2',,,
+` pushfq')
+ $2
+ j`$1' L(ASSERT_ok`'ASSERT_counter)
+ ud2 C assertion failed
+L(ASSERT_ok`'ASSERT_counter):
+ifelse(`$2',,,` popfq')
+define(`ASSERT_counter',incr(ASSERT_counter))')')')
+
+define(ASSERT_counter,1)
+
+define(`LEA',`
+ mov $1@GOTPCREL(%rip), $2
+')
+
+
+define(`DEF_OBJECT',
+m4_assert_numargs_range(1,2)
+` RODATA
+ ALIGN(ifelse($#,1,2,$2))
+$1:
+')
+
+define(`END_OBJECT',
+m4_assert_numargs(1)
+` SIZE(`$1',.-`$1')')
+
+
+define(`R32',
+ `ifelse($1,`%rax',`%eax',
+ $1,`%rbx',`%ebx',
+ $1,`%rcx',`%ecx',
+ $1,`%rdx',`%edx',
+ $1,`%rsi',`%esi',
+ $1,`%rdi',`%edi',
+ $1,`%rbp',`%ebp',
+ $1,`%r8',`%r8d',
+ $1,`%r9',`%r9d',
+ $1,`%r10',`%r10d',
+ $1,`%r11',`%r11d',
+ $1,`%r12',`%r12d',
+ $1,`%r13',`%r13d',
+ $1,`%r14',`%r14d',
+ $1,`%r15',`%r15d')')
+define(`R8',
+ `ifelse($1,`%rax',`%al',
+ $1,`%rbx',`%bl',
+ $1,`%rcx',`%cl',
+ $1,`%rdx',`%dl',
+ $1,`%rsi',`%sil',
+ $1,`%rdi',`%dil',
+ $1,`%rbp',`%bpl',
+ $1,`%r8',`%r8b',
+ $1,`%r9',`%r9b',
+ $1,`%r10',`%r10b',
+ $1,`%r11',`%r11b',
+ $1,`%r12',`%r12b',
+ $1,`%r13',`%r13b',
+ $1,`%r14',`%r14b',
+ $1,`%r15',`%r15b')')
+
+
+dnl Usage: CALL(funcname)
+dnl
+
+ifdef(`PIC',
+ `define(`CALL',`call GSYM_PREFIX`'$1@PLT')',
+ `define(`CALL',`call GSYM_PREFIX`'$1')')
+
+
+define(`JUMPTABSECT', `.section .data.rel.ro.local,"aw",@progbits')
+
+divert`'dnl
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