URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [machine/] [or32/] [longjmp.S] - Diff between revs 207 and 399

Rev 207	Rev 399
Line 45...	Line 45...
`@param[in] val(r4) A value to return`	`@param[in] val(r4) A value to return`

`@return val, unless val is zero, in which case 1 is returned.`	`@return val, unless val is zero, in which case 1 is returned.`
`/* -------------------------------------------------------------------------- */`	`/* -------------------------------------------------------------------------- */`
`.align 4`	`.align 4`
`.global _longjmp`	`.global longjmp`
`.type _longjmp,@function`	`.type longjmp,@function`
`_longjmp:`	`longjmp:`
`/* Sort out the return value */`	`/* Sort out the return value */`
`l.sfne r4,r0`	`l.sfne r4,r0`
`l.bf 1f`	`l.bf 1f`
`l.nop`	`l.nop`

Line 91...	Line 91...
`l.lwz r2,8(r3) /* Skip r3 */`	`l.lwz r2,8(r3) /* Skip r3 */`
`l.lwz r1,4(r3) /* Slot 0 saved for flag in future */`	`l.lwz r1,4(r3) /* Slot 0 saved for flag in future */`
`l.lwz r3,12(r3) /* Now safe */`	`l.lwz r3,12(r3) /* Now safe */`

`/* Result is already in r11. Having restored r9, it will appear as`	`/* Result is already in r11. Having restored r9, it will appear as`
`though we have returned from the earlier call to _setjmp. The`	`though we have returned from the earlier call to setjmp. The`
`non-zero result gives it away though. */`	`non-zero result gives it away though. */`
`l.jr r9`	`l.jr r9`
`l.nop`	`l.nop`

`.size _longjmp, .-_longjmp`	`.size longjmp, .-longjmp`
`.size longjmp, .-longjmp`	`.size longjmp, .-longjmp`