ir_code.txt

Intermediate representation of program:

Data...

LABEL( sconst )			;insert an ASM label
INT( iconst )			;insert int constant
FLOAT( fconst )			;insert float constant
STRING( sconst )		;insert string constant

Code...

Statements only:

ENTER( iconst )			;enter func with iconst locals
LEAVE( iconst )			;leave func with iconst locals
JUMP( sconst )			;jump to label sconst
JUMPT( l,sconst )		;eval expr-l, if !=0 jump to label sconst
JUMPF( r,sconst )		;eval expr-r, if ==0 jump to label sconst
RETURN( l,sconst )		;eval expr-l into return reg and jump to label sconst
STORE( l,r )			;eval expr-r and store it in expr-l

Stmts or expressions:

CALL( l,r )				;eval expr-r, push it and call expr-l
ARGS( l,r )				;eval expr-r, push it, eval expr-l
FRAME()					;copy of frame pointer
GLOBAL( sconst )		;address of label sconst
LOAD( l )				;integer load
NEG( l ),NOT( l )..		;integer uniops
ADD( l,r ),SUB( l,r )..	;integer binops
CONST( iconst )			;integer constant
CAST( l )				;cast float expr-l to int
FLOAD( l )				;float load
FNEG( l ),FNOT( l )..	;float uniops
FADD( l,r ),FSUB( l,r ).;float binops
FCONST( fconst )		;float constant
FCAST( l )				;cast int expr-l to float