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| author | Mark Mitchell <mark@codesourcery.com> | 1999-10-21 03:37:33 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1999-10-21 03:37:33 +0000 |
| commit | 16b702cd43c726a88897f6b153456e72fa990389 (patch) | |
| tree | 42dc3e492c2955007b51b9e1104f1ed7ab55e08f /gcc/cse.c | |
| parent | 56d410bbc0c0be85d5effea389a1fc870f21461f (diff) | |
| download | gcc-16b702cd43c726a88897f6b153456e72fa990389.zip gcc-16b702cd43c726a88897f6b153456e72fa990389.tar.gz gcc-16b702cd43c726a88897f6b153456e72fa990389.tar.bz2 | |
cse.c (cse_end_of_basic_block): Don't return the end of a basic block reached by a branch if...
* 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
From-SVN: r30109
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -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) { |