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const folding for division

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Wolfgang (Blub) Bumiller 2012-08-14 23:43:08 +02:00
parent b8d92dfa01
commit a5b3faae30
1 changed files with 5 additions and 1 deletions
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6
parser.c
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@ -608,7 +608,11 @@ static bool parser_sy_pop(parser_t *parser, shunt *sy)
type_name[exprs[1]->expression.vtype]);
return false;
}
out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
if (CanConstFold(exprs[0], exprs[1]))
out = (ast_expression*)parser_const_float(parser,
asvalue[0]->constval.vfloat / asvalue[1]->constval.vfloat);
else
out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
break;
case opid1('%'):
case opid2('%','='):