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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
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; Gabor Karsai, Vanderbilt University
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;
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;BISON is distributed in the hope that it will be useful, but WITHOUT ANY
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;WARRANTY. No author or distributor accepts responsibility to anyone
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;for the consequences of using it or for whether it serves any
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;particular purpose or works at all, unless he says so in writing.
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;Refer to the BISON General Public License for full details.
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;
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;Everyone is granted permission to copy, modify and redistribute BISON,
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;but only under the conditions described in the BISON General Public
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;License. A copy of this license is supposed to have been given to you
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;along with BISON so you can know your rights and responsibilities. It
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;should be in a file named COPYING. Among other things, the copyright
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;notice and this notice must be preserved on all copies.
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;
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; In other words, you are welcome to use, share and improve this program.
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; You are forbidden to forbid anyone else to use, share and improve
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; what you give them. Help stamp out software-hoarding! */
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;
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.psect vmshlp pic,usr,rel,ovr,shr,long,exe,nowrt
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alloca::
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.word 0
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subl2 ^X4(ap),sp
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movl ^X10(fp),r1
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movq ^X8(fp),ap
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bicl2 #03,sp
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addl2 #^X1c,sp
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movl sp,r0
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jmp (r1)
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bcopy::
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.word ^X0e00
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movl ^X04(ap),r11
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movl ^X08(ap),r10
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movl ^X0c(ap),r9
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brb 1$
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2$: movb (r10)+,(r11)+
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1$: sobgeq r9,2$
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ret
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.end
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