| divert(-1) |
| |
| dnl m4 macros for SPARC assembler (32 and 64 bit). |
| |
| |
| dnl Copyright 2002, 2011, 2013 Free Software Foundation, Inc. |
| |
| 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 modify |
| dnl it under the terms of either: |
| dnl |
| dnl * the GNU Lesser General Public License as published by the Free |
| dnl Software Foundation; either version 3 of the License, or (at your |
| dnl option) any later version. |
| dnl |
| dnl or |
| dnl |
| dnl * the GNU General Public License as published by the Free Software |
| dnl Foundation; either version 2 of the License, or (at your option) any |
| dnl later version. |
| dnl |
| dnl or both in parallel, as here. |
| dnl |
| dnl The GNU MP Library is distributed in the hope that it will be useful, but |
| dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| dnl for more details. |
| dnl |
| dnl You should have received copies of the GNU General Public License and the |
| dnl GNU Lesser General Public License along with the GNU MP Library. If not, |
| dnl see https://www.gnu.org/licenses/. |
| |
| |
| changecom(;) dnl cannot use default # since that's used in REGISTER decls |
| |
| |
| dnl Usage: REGISTER(reg,attr) |
| dnl |
| dnl Give a ".register reg,attr" directive, if the assembler supports it. |
| dnl HAVE_REGISTER comes from the GMP_ASM_SPARC_REGISTER configure test. |
| |
| define(REGISTER, |
| m4_assert_numargs(2) |
| m4_assert_defined(`HAVE_REGISTER') |
| `ifelse(HAVE_REGISTER,yes, |
| `.register `$1',`$2'')') |
| |
| |
| C Testing mechanism for running newer code on older processors |
| ifdef(`FAKE_T3',` |
| include_mpn(`sparc64/ultrasparct3/missing.m4') |
| ',` |
| define(`addxccc', ``addxccc' $1, $2, $3') |
| define(`addxc', ``addxc' $1, $2, $3') |
| define(`umulxhi', ``umulxhi' $1, $2, $3') |
| define(`lzcnt', ``lzd' $1, $2') |
| ') |
| |
| dnl Usage: LEA64(symbol,reg,pic_reg) |
| dnl |
| dnl Use whatever 64-bit code sequence is appropriate to load "symbol" into |
| dnl register "reg", potentially using register "pic_reg" to perform the |
| dnl calculations. |
| |
| define(LEA64, |
| m4_assert_numargs(3) |
| m4_assert_defined(`HAVE_GOTDATA') |
| `ifdef(`PIC',` |
| rd %pc, %`$2' |
| sethi %hi(_GLOBAL_OFFSET_TABLE_+4), %`$3' |
| add %`$3', %lo(_GLOBAL_OFFSET_TABLE_+8), %`$3' |
| add %`$2', %`$3', %`$3' |
| sethi %hi(`$1'), %`$2' |
| or %`$2', %lo(`$1'), %`$2' |
| ldx [%`$3' + %`$2'], %`$2'',` |
| setx `$1', %`$3', %`$2'')') |
| |
| divert |
