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Add shift operations

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This commit is contained in:
Koichi Nakamura 2021-01-11 02:06:11 +09:00
parent 354e5ac4b7
commit 1d4b77fd90
2 changed files with 13 additions and 6 deletions
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9
bootstrap.fs
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@ -458,6 +458,9 @@ alias-builtin and &
alias-builtin or |
alias-builtin xor ^
alias-builtin u< u
alias-builtin lshift (
alias-builtin rshift )
alias-builtin arshift %
alias-builtin runtime-info_ V
\ Rename existing FORTH words
@ -658,6 +661,10 @@ allot-cell : &find! [ ' L , , ] ; \ ( c-addr -- nt ) Throw exception at error
\ ( a b c -- (a<=c & c<b) )
: within tuck > -rot <= and ;
\ arithmetic shift
: 2* 1 lshift ;
: 2/ 1 arshift ;
\ === Conditional Branch ===
\ <condition> if <if-true> then
\ <condition> if <if-true> else <if-false> then
@ -2465,7 +2472,7 @@ need-defined (read)
' ['] compile [compile] literal
+ - * /mod / mod negate not and or xor invert within max min abs
< > <= >= = <> 0< 0> 0<= 0>= 0= 0<> 1+ 1-
u< u> u<= u>=
u< u> u<= u>= lshift rshift 2* 2/
true false

10
planck.xxd
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@ -80,11 +80,11 @@
000001f8: 6283 0408 0000 0000
000001fc: f081 0408 013d 0000 =: equal
00000204: 7083 0408 0000 0000
00000208: fc81 0408 017b 0000 {: shl
00000208: fc81 0408 0128 0000 (: shl
00000210: 7e83 0408 0000 0000
00000214: 0882 0408 017d 0000 }: shr
00000214: 0882 0408 0129 0000 ): shr
0000021c: 8683 0408 0000 0000
00000220: 1482 0408 0129 0000 ): sar
00000220: 1482 0408 0125 0000 %: sar
00000228: 8e83 0408 0000 0000
0000022c: 2082 0408 0176 0000 v: argv
00000234: 9683 0408 0000 0000
@ -174,9 +174,9 @@
00000370: 585b 39c3 0f94 c00f (equal) popl %eax; popl %ebx; cmpl %eax,%ebx
00000378: b6c0 50ad ff20 0000 setl %al; movzbl %al, %eax; pushl %eax; next;
0000037e: 5958 d3e0 50ad ff20 (shl) popl %ecx; popl %eax; shll %cl,%eax next;
0000037e: 5958 d3e0 50ad ff20 (shl) popl %ecx; popl %eax; shll %cl,%eax;next;
00000386: 5958 d3e8 50ad ff20 (shr) popl %ecx; popl %eax; shrl %cl,%eax next;
00000386: 5958 d3e8 50ad ff20 (shr) popl %ecx; popl %eax; shrl %cl,%eax;next;
0000038e: 5958 d3f8 50ad ff20 (sar) popl %ecx; popl %eax; sarl %cl,%eax; next;