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| author | Alan Modra <amodra@gmail.com> | 2007-06-14 08:41:41 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2007-06-14 08:41:41 +0000 |
| commit | 107eb3fc405825a147b9b3d7a176040b65f1f757 (patch) | |
| tree | 549ed78ff66682b73ce171a9a51b43464581b9f3 | |
| parent | a104c397e762939248436df5128bf6d6a6f04edc (diff) | |
| download | gdb-107eb3fc405825a147b9b3d7a176040b65f1f757.zip gdb-107eb3fc405825a147b9b3d7a176040b65f1f757.tar.gz gdb-107eb3fc405825a147b9b3d7a176040b65f1f757.tar.bz2 | |
* emultempl/spu_ovl.S: Don't trash lr on tail call from one
overlay to another.
* emultempl/spu_ovl.o: Regenerate.
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/emultempl/spu_ovl.S | 7 | ||||
| -rw-r--r-- | ld/emultempl/spu_ovl.o | bin | 1416 -> 1432 bytes |
3 files changed, 12 insertions, 1 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index d31157e..2d44638 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -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 diff --git a/ld/emultempl/spu_ovl.S b/ld/emultempl/spu_ovl.S index 0f1064b..adc6ab2 100644 --- a/ld/emultempl/spu_ovl.S +++ b/ld/emultempl/spu_ovl.S @@ -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 diff --git a/ld/emultempl/spu_ovl.o b/ld/emultempl/spu_ovl.o Binary files differindex 51a9bbd..a68eea3 100644 --- a/ld/emultempl/spu_ovl.o +++ b/ld/emultempl/spu_ovl.o |