* emultempl/spu_ovl.S: Don't trash lr on tail call from one

overlay to another.
	* emultempl/spu_ovl.o: Regenerate.
This commit is contained in:
Alan Modra 2007-06-14 08:41:41 +00:00
parent a104c397e7
commit 107eb3fc40
3 changed files with 12 additions and 1 deletions

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@ -1,3 +1,9 @@
2007-06-14 Alan Modra <amodra@bigpond.net.au>
* emultempl/spu_ovl.S: Don't trash lr on tail call from one
overlay to another.
* emultempl/spu_ovl.o: Regenerate.
2007-06-11 Bob Wilson <bob.wilson@acm.org>
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Add ONLY_IF_RO

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@ -166,7 +166,12 @@ __ovly_backchain_loop:
shufb rv2, retval, lnkr, rv1
shufb rv3, $lr, $78, rv1
fsmbi rv1, 0xff
selb $lr, rv2, rv3, rv1
selb rv2, rv2, rv3, rv1
/* If we have a tail call from one overlay function to another overlay,
then lr is already set up. Don't change it. */
ceq rv1, $lr, retval
fsmb rv1, rv1
selb $lr, rv2, $lr, rv1
/* Branch to $79 if non-overlay */
brz $78, __ovly_load_restore

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