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| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-15 15:36:14 +0000 |
|---|---|---|
| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-15 15:36:14 +0000 |
| commit | 2e5f8c606bc942dfebd401a4ac3b9ec3f6099802 (patch) | |
| tree | 7670c8f7bf0879e43d4f1df6768fbf299eee65e3 | |
| parent | e62299bd965bc033f9a6682ad617ef9bff807a0b (diff) | |
| download | ppe42-gcc-2e5f8c606bc942dfebd401a4ac3b9ec3f6099802.tar.gz ppe42-gcc-2e5f8c606bc942dfebd401a4ac3b9ec3f6099802.zip | |
* regrename.c (copyprop_hardreg_forward): Do not keep register
value data live across abnormal call or eh egdes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48043 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/regrename.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 114d6045f0c..56fd127102b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-12-15 Ulrich Weigand <uweigand@de.ibm.com> + + * regrename.c (copyprop_hardreg_forward): Do not keep register + value data live across abnormal call or eh egdes. + Sat Dec 15 08:29:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * expr.c (highest_pow2_factor, case INTEGER_CST): Return diff --git a/gcc/regrename.c b/gcc/regrename.c index 6014274acfe..3236a438287 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -1626,6 +1626,7 @@ copyprop_hardreg_forward () /* ??? Ought to use more intelligent queueing of blocks. */ if (bb->pred && ! bb->pred->pred_next + && ! (bb->pred->flags & (EDGE_ABNORMAL_CALL | EDGE_EH)) && bb->pred->src->index != ENTRY_BLOCK && bb->pred->src->index < b) all_vd[b] = all_vd[bb->pred->src->index]; |
