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| author | Jan Hubicka <jh@suse.cz> | 2004-03-17 12:42:10 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2004-03-17 11:42:10 +0000 |
| commit | 7eca07679863f0385a4b125517a302cb489e4148 (patch) | |
| tree | 2e8f849edd69fd0c862b6e5e9fb8dbca94b8dad0 | |
| parent | 3a3ae5e5eddd8b47c485af22843b1123bb3238cb (diff) | |
| download | gcc-7eca07679863f0385a4b125517a302cb489e4148.zip gcc-7eca07679863f0385a4b125517a302cb489e4148.tar.gz gcc-7eca07679863f0385a4b125517a302cb489e4148.tar.bz2 | |
cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info array.
* cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
array.
From-SVN: r79585
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cfgrtl.c | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2cfe0c1..ea5a37d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-03-17 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info + array. + 2004-03-17 James E Wilson <wilson@specifixinc.com> * config/mips/mips.md (zero_extendsidi2): Add length attribute. diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 3363a2d..f38c53c 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -338,8 +338,12 @@ rtl_create_basic_block (void *headp, void *endp, basic_block after) rtx head = headp, end = endp; basic_block bb; - /* Place the new block just after the end. */ - VARRAY_GROW (basic_block_info, last_basic_block + 1); + /* Grow the basic block array if needed. */ + if ((size_t) last_basic_block >= VARRAY_SIZE (basic_block_info)) + { + size_t new_size = last_basic_block + (last_basic_block + 3) / 4; + VARRAY_GROW (basic_block_info, new_size); + } n_basic_blocks++; |