diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-sink.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d1882a..f8417dc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-04-06 Kazu Hirata <kazu@cs.umass.edu> + + * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at + a PHI argument where a use occurs instead of all PHI arguments. + 2005-04-06 Joseph S. Myers <joseph@codesourcery.com> * c-decl.c (finish_decl): Apply pending #pragma weak regardless of diff --git a/gcc/tree-ssa-sink.c b/gcc/tree-ssa-sink.c index c8785de..cecbae7 100644 --- a/gcc/tree-ssa-sink.c +++ b/gcc/tree-ssa-sink.c @@ -240,10 +240,10 @@ nearest_common_dominator_of_uses (tree stmt) basic_block useblock; if (TREE_CODE (usestmt) == PHI_NODE) { - int j; - for (j = 0; j < PHI_NUM_ARGS (usestmt); j++) + int idx = PHI_ARG_INDEX_FROM_USE (use_p); + if (PHI_ARG_DEF (usestmt, idx) == var) { - useblock = PHI_ARG_EDGE (usestmt, j)->src; + useblock = PHI_ARG_EDGE (usestmt, idx)->src; /* Short circuit. Nothing dominates the entry block. */ if (useblock == ENTRY_BLOCK_PTR) { |