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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-02-24 13:15:55 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-02-24 08:15:55 -0500 |
| commit | bd015d378330fc78f85d28ed8c094837e23baca8 (patch) | |
| tree | dba8fc1b41b606bab2b832ed5473057759474521 /gcc/function.c | |
| parent | f900ecd8a7df281db0041ea1b9702a677147fe25 (diff) | |
| download | gcc-bd015d378330fc78f85d28ed8c094837e23baca8.zip gcc-bd015d378330fc78f85d28ed8c094837e23baca8.tar.gz gcc-bd015d378330fc78f85d28ed8c094837e23baca8.tar.bz2 | |
tree.h (BLOCK_DEAD): New macro.
* tree.h (BLOCK_DEAD): New macro.
(struct tree_block): New flag, dead_flag.
* print-tree.c (print_node, case 'b'): Print missing fields.
* emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
* function.c (identify_blocks): Enable test for misplaced notes.
(all_blocks): Skip BLOCK_DEAD blocks.
* integrate.c (integrate_decl_tree): Likewise.
From-SVN: r40039
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/gcc/function.c b/gcc/function.c index a1c2d33..58f3f6d 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5740,8 +5740,7 @@ identify_blocks () block_stack); /* If we didn't use all of the subblocks, we've misplaced block notes. */ - /* ??? This appears to happen all the time. Latent bugs elsewhere? */ - if (0 && last_block_vector != block_vector + n_blocks) + if (last_block_vector != block_vector + n_blocks) abort (); free (block_vector); @@ -5947,27 +5946,28 @@ blocks_nreverse (t) blocks. */ static int -all_blocks (block, vector) - tree block; +all_blocks (blocks, vector) + tree blocks; tree *vector; { int n_blocks = 0; + tree block; - while (block) - { - TREE_ASM_WRITTEN (block) = 0; + for (block = blocks; block != 0; block = TREE_CHAIN (block)) + if (!BLOCK_DEAD (block)) + { + TREE_ASM_WRITTEN (block) = 0; - /* Record this block. */ - if (vector) - vector[n_blocks] = block; + /* Record this block. */ + if (vector) + vector[n_blocks] = block; - ++n_blocks; + ++n_blocks; - /* Record the subblocks, and their subblocks... */ - n_blocks += all_blocks (BLOCK_SUBBLOCKS (block), - vector ? vector + n_blocks : 0); - block = BLOCK_CHAIN (block); - } + /* Record the subblocks, and their subblocks... */ + n_blocks += all_blocks (BLOCK_SUBBLOCKS (block), + vector ? vector + n_blocks : 0); + } return n_blocks; } |