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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [convert.c] - Diff between revs 280 and 378

Rev 280	Rev 378
Line 797...	Line 797...
`case NEGATE_EXPR:`	`case NEGATE_EXPR:`
`case BIT_NOT_EXPR:`	`case BIT_NOT_EXPR:`
`/* This is not correct for ABS_EXPR,`	`/* This is not correct for ABS_EXPR,`
`since we must test the sign before truncation. */`	`since we must test the sign before truncation. */`
`{`	`{`
`tree typex;`	`tree typex = unsigned_type_for (type);`

`/* Don't do unsigned arithmetic where signed was wanted,`
`or vice versa. */`
`if (TYPE_UNSIGNED (TREE_TYPE (expr)))`
`typex = unsigned_type_for (type);`
`else`
`typex = signed_type_for (type);`
`return convert (type,`	`return convert (type,`
`fold_build1 (ex_form, typex,`	`fold_build1 (ex_form, typex,`
`convert (typex,`	`convert (typex,`
`TREE_OPERAND (expr, 0))));`	`TREE_OPERAND (expr, 0))));`
`}`	`}`