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Initial bitwise operation implementation

This commit is contained in:
Jeremiah Orians 2018-08-19 15:23:35 -04:00
parent be2fcaaaaa
commit 6d7f1021c8
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1 changed files with 61 additions and 8 deletions
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69
stage2/cc.s
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@ -1414,16 +1414,59 @@ MOVEZBL
RET R15
;; relational_expr_stub function
;; recieves nothing
;; returns nothing
;; Updates struct token_list*
:bitwise_expr_stub
PUSHR R0 R15 ; Protect R0
PUSHR R1 R15 ; Protect R1
PUSHR R2 R15 ; Protect R2
PUSHR R3 R15 ; Protect R3
;; Fixed pieces
LOADUI R0 $relational_expr ; Set First argument
LOADUI R3 $bitwise_expr_stub
;; The & bit
LOADUI R1 $bitwise_expr_stub_string0 ; Our first operation
LOADUI R2 $bitwise_and ; Using "&"
CALLI R15 @general_recursion
;; The && bit
LOADUI R1 $bitwise_expr_stub_string0 ; Our first operation
LOADUI R2 $logical_and ; Using "&&"
CALLI R15 @general_recursion
;; The | bit
LOADUI R1 $bitwise_expr_stub_string1 ; Our second operation
LOADUI R2 $bitwise_or ; Using "|"
CALLI R15 @general_recursion
;; The || bit
LOADUI R1 $bitwise_expr_stub_string1 ; Our second operation
LOADUI R2 $logical_or ; Using "||"
CALLI R15 @general_recursion
;; The ^ bit
LOADUI R1 $bitwise_expr_stub_string2 ; Our second operation
LOADUI R2 $bitwise_xor ; Using "^"
CALLI R15 @general_recursion
POPR R3 R15 ; Restore R3
POPR R2 R15 ; Restore R2
POPR R1 R15 ; Restore R1
POPR R0 R15 ; Restore R0
RET R15
:bitwise_expr_stub_string0
"AND_eax_ebx
"
:bitwise_expr_stub_string1
"OR_eax_ebx
"
:bitwise_expr_stub_string2
"XOR_ebx_eax_into_eax
"
;; bitwise_expr function
@ -3080,6 +3123,16 @@ Missing ;
"=="
:not_equal_string
"!="
:bitwise_and
"&"
:logical_and
"&&"
:bitwise_or
"|"
:logical_or
"||"
:bitwise_xor
"^"
;; Frequently Used strings