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| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-02 18:06:37 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-02 18:06:37 +0000 |
| commit | 5ebf7810cd29c83954f1b5522d2098ff758a62f0 (patch) | |
| tree | 855a61405368a6c9dd7ac4aa327081a187763a99 /gcc/reg-stack.c | |
| parent | 60a0513e1edb1f19485faf0a68810f49bf7f3d2b (diff) | |
| download | gcc-5ebf7810cd29c83954f1b5522d2098ff758a62f0.tar.gz | |
Revert:
2007-01-02 Kazu Hirata <kazu@codesourcery.com>
* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
* cfgbuild.c (find_basic_blocks): Likewise.
* cfgrtl.c (rtl_create_basic_block): Likewise.
* function.c (temp_slots_at_level): Likewise.
* reg-stack.c (stack_regs_mentioned): Likewise.
* regclass.c (allocate_reg_info): Likewise.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
set_bb_for_stmt, move_block_to_fn): Likewise.
* tree-complex.c (tree_lower_complex): Likewise.
* vec.h (VEC_safe_grow_cleared): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120351 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 793c6b58ec4..49c733eb742 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -315,10 +315,16 @@ stack_regs_mentioned (rtx insn) max = VEC_length (char, stack_regs_mentioned_data); if (uid >= max) { + char *p; + unsigned int old_max = max; + /* Allocate some extra size to avoid too many reallocs, but do not grow too quickly. */ max = uid + uid / 20 + 1; - VEC_safe_grow_cleared (char, heap, stack_regs_mentioned_data, max); + VEC_safe_grow (char, heap, stack_regs_mentioned_data, max); + p = VEC_address (char, stack_regs_mentioned_data); + memset (&p[old_max], 0, + sizeof (char) * (max - old_max)); } test = VEC_index (char, stack_regs_mentioned_data, uid); |