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Diffstat (limited to 'gcc/config/fr30/lib1funcs.asm')
| -rwxr-xr-x | gcc/config/fr30/lib1funcs.asm | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/gcc/config/fr30/lib1funcs.asm b/gcc/config/fr30/lib1funcs.asm new file mode 100755 index 0000000..1369327 --- /dev/null +++ b/gcc/config/fr30/lib1funcs.asm @@ -0,0 +1,126 @@ +/* libgcc1 routines for the FR30. + Copyright (C) 1998, 1999 Free Software Foundation, Inc. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) any +later version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file with other programs, and to distribute +those programs without any restriction coming from the use of this +file. (The General Public License restrictions do apply in other +respects; for example, they cover modification of the file, and +distribution when not linked into another program.) + +This file is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* As a special exception, if you link this library with files + compiled with GCC to produce an executable, this does not cause + the resulting executable to be covered by the GNU General Public License. + This exception does not however invalidate any other reasons why + the executable file might be covered by the GNU General Public License. */ + + + .macro FUNC_START name + .text + .globl __\name + .type __\name, @function +__\name: + .endm + + .macro FUNC_END name + .size __\name, . - __\name + .endm + + .macro DIV_BODY reg number + .if \number + DIV_BODY \reg, "\number - 1" + div1 \reg + .endif + .endm + +#ifdef L_udivsi3 +FUNC_START udivsi3 + ;; Perform an unsiged division of r4 / r5 and place the result in r4. + ;; Does not handle overflow yet... + mov r4, mdl + div0u r5 + DIV_BODY r5 32 + mov mdl, r4 + ret +FUNC_END udivsi3 +#endif /* L_udivsi3 */ + +#ifdef L_divsi3 +FUNC_START divsi3 + ;; Perform a siged division of r4 / r5 and place the result in r4. + ;; Does not handle overflow yet... + mov r4, mdl + div0s r5 + DIV_BODY r5 32 + div2 r5 + div3 + div4s + mov mdl, r4 + ret +FUNC_END divsi3 +#endif /* L_divsi3 */ + +#ifdef L_umodsi3 +FUNC_START umodsi3 + ;; Perform an unsiged division of r4 / r5 and places the remainder in r4. + ;; Does not handle overflow yet... + mov r4, mdl + div0u r5 + DIV_BODY r5 32 + mov mdh, r4 + ret +FUNC_END umodsi3 +#endif /* L_umodsi3 */ + +#ifdef L_modsi3 +FUNC_START modsi3 + ;; Perform a siged division of r4 / r5 and place the remainder in r4. + ;; Does not handle overflow yet... + mov r4, mdl + div0s r5 + DIV_BODY r5 32 + div2 r5 + div3 + div4s + mov mdh, r4 + ret +FUNC_END modsi3 +#endif /* L_modsi3 */ + +#ifdef L_negsi2 +FUNC_START negsi2 + ldi:8 #0, r0 + sub r4, r0 + mov r0, r4 + ret +FUNC_END negsi2 +#endif /* L_negsi2 */ + +#ifdef L_one_cmplsi2 +FUNC_START one_cmplsi2 + ldi:8 #0xff, r0 + extsb r0 + eor r0, r4 + ret +FUNC_END one_cmplsi2 +#endif /* L_one_cmplsi2 */ + + |