mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 23:19:00 +00:00
9f36c7f497
In case you're wondering, the gcc-2.7.2.1 import uses this to generate code. The size of the generated code is bigger than the entire bison release, making this a saving. The bison doc is pretty good apparently.
43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
;/* Macro help routines for the BISON/VMS program
|
|
; Gabor Karsai, Vanderbilt University
|
|
;
|
|
;BISON is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
;WARRANTY. No author or distributor accepts responsibility to anyone
|
|
;for the consequences of using it or for whether it serves any
|
|
;particular purpose or works at all, unless he says so in writing.
|
|
;Refer to the BISON General Public License for full details.
|
|
;
|
|
;Everyone is granted permission to copy, modify and redistribute BISON,
|
|
;but only under the conditions described in the BISON General Public
|
|
;License. A copy of this license is supposed to have been given to you
|
|
;along with BISON so you can know your rights and responsibilities. It
|
|
;should be in a file named COPYING. Among other things, the copyright
|
|
;notice and this notice must be preserved on all copies.
|
|
;
|
|
; In other words, you are welcome to use, share and improve this program.
|
|
; You are forbidden to forbid anyone else to use, share and improve
|
|
; what you give them. Help stamp out software-hoarding! */
|
|
;
|
|
.psect vmshlp pic,usr,rel,ovr,shr,long,exe,nowrt
|
|
|
|
alloca::
|
|
.word 0
|
|
subl2 ^X4(ap),sp
|
|
movl ^X10(fp),r1
|
|
movq ^X8(fp),ap
|
|
bicl2 #03,sp
|
|
addl2 #^X1c,sp
|
|
movl sp,r0
|
|
jmp (r1)
|
|
|
|
bcopy::
|
|
.word ^X0e00
|
|
movl ^X04(ap),r11
|
|
movl ^X08(ap),r10
|
|
movl ^X0c(ap),r9
|
|
brb 1$
|
|
2$: movb (r10)+,(r11)+
|
|
1$: sobgeq r9,2$
|
|
ret
|
|
.end
|