diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cse.c | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 998c467..5bfc271 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com> + + * cse.c (cse_end_of_basic_block): Don't return the end of a basic + block reached by a branch if we're not going to actually process + this block. + Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com> * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is @@ -8442,6 +8442,15 @@ cse_end_of_basic_block (insn, data, follow_jumps, after_loop, skip_blocks) path_size--; } + /* If the first instruction is marked with QImode, that means we've + already processed this block. Our caller will look at DATA->LAST + to figure out where to go next. We want to return the next block + in the instruction stream, not some branched-to block somewhere + else. We accomplish this by pretending our called forbid us to + follow jumps, or skip blocks. */ + if (GET_MODE (insn) == QImode) + follow_jumps = skip_blocks = 0; + /* Scan to end of this basic block. */ while (p && GET_CODE (p) != CODE_LABEL) { |