diff options
| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-12-06 14:30:57 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-12-06 09:30:57 -0500 |
| commit | f189c7caeab86e208a54b85419dcfe8b331c0f63 (patch) | |
| tree | e8e530723dfc9ff55042e20763899481816af0ac /gcc | |
| parent | a8571098ece1e8edbf74069c264e4a982cf4e5fb (diff) | |
| download | gcc-f189c7caeab86e208a54b85419dcfe8b331c0f63.zip gcc-f189c7caeab86e208a54b85419dcfe8b331c0f63.tar.gz gcc-f189c7caeab86e208a54b85419dcfe8b331c0f63.tar.bz2 | |
function.c (handle_epilogue_set): Check for FP setting case when SP is set from FP in same insn.
* function.c (handle_epilogue_set): Check for FP setting case when
SP is set from FP in same insn.
From-SVN: r47719
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/function.c | 9 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f244e6..32ab317 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Dec 6 09:24:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (handle_epilogue_set): Check for FP setting case when + SP is set from FP in same insn. + 2001-12-06 Nick Clifton <nickc@cambridge.redhat.com> * config/arm/arm.c (load_multiple_sequence): Pass pointer to diff --git a/gcc/function.c b/gcc/function.c index 082d6c6..dbd76c0 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -7349,10 +7349,13 @@ handle_epilogue_set (set, p) /* Next handle the case where we are setting SP's equivalent register. If we already have a value to set it to, abort. We could update, but - there seems little point in handling that case. */ - else if (p->sp_equiv_reg != 0 && reg_set_p (p->sp_equiv_reg, set)) + there seems little point in handling that case. Note that we have + to allow for the case where we are setting the register set in + the previous part of a PARALLEL inside a single insn. But use the + old offset for any updates within this insn. */ + else if (p->new_sp_equiv_reg != 0 && reg_set_p (p->new_sp_equiv_reg, set)) { - if (!rtx_equal_p (p->sp_equiv_reg, SET_DEST (set)) + if (!rtx_equal_p (p->new_sp_equiv_reg, SET_DEST (set)) || p->equiv_reg_src != 0) abort (); else |