diff options
| author | Jan Hubicka <jh@suse.cz> | 2001-07-16 22:54:44 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-07-16 20:54:44 +0000 |
| commit | 4793dca1588681eb583ccfd7cd179216c2d44d7e (patch) | |
| tree | f2d3118471d29556bb961862c3ae6d62df08e484 /gcc/reg-stack.c | |
| parent | ccef9ef51073dac630247180cba0591af5382d6b (diff) | |
| download | gcc-4793dca1588681eb583ccfd7cd179216c2d44d7e.zip gcc-4793dca1588681eb583ccfd7cd179216c2d44d7e.tar.gz gcc-4793dca1588681eb583ccfd7cd179216c2d44d7e.tar.bz2 | |
basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
* basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
* except.c (finish_eh_generation): Update call of cleanup_cfg;
do rebuild_jump_labels instead of jump_optimize
* sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
* toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
* flow.c (try_optimize_cfg): Remove unneeded code_labels.
* flow.c: Include timevar.h
(find_basic_block): Push/pop timevar;
(cleanup_cfg): Likewise.
* timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
* Makefile: Add dependencies on timevar.h
* integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
(copy_insn_list): Avoid killing of BASIC_BLOCK notes.
* rtl.h (delete_trivially_dead_insns): Add new parameter.
* toplev.c (rest_of_compilation): Update calls.
* cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
(delete_trivially_dead_insns): ... here; accept new argument
preserve_basic_blocks; preserve basic blocks if set.
* reg-stack.c (stack_regs_mentioned): Return 0 if
stack_regs_mentioned_data is not initialized.
(reg_to_stack): Make stack_regs_mentioned survive after the
reg-stack is completted; do not call cleanup_cfg.
* toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
make cleanup_cfg after bb-reorder to output to debug file.
From-SVN: r44056
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index bdd1c98..19f6660 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -303,7 +303,7 @@ stack_regs_mentioned (insn) unsigned int uid, max; int test; - if (! INSN_P (insn)) + if (! INSN_P (insn) || !stack_regs_mentioned_data) return 0; uid = INSN_UID (insn); @@ -419,6 +419,13 @@ reg_to_stack (first, file) int max_uid; block_info bi; + /* Clean up previous run. */ + if (stack_regs_mentioned_data) + { + VARRAY_FREE (stack_regs_mentioned_data); + stack_regs_mentioned_data = 0; + } + if (!optimize) split_all_insns (0); @@ -479,11 +486,8 @@ reg_to_stack (first, file) VARRAY_CHAR_INIT (stack_regs_mentioned_data, max_uid + 1, "stack_regs_mentioned cache"); - if (convert_regs (file) && optimize) - cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_CROSSJUMP | CLEANUP_POST_REGSTACK); + convert_regs (file); - /* Clean up. */ - VARRAY_FREE (stack_regs_mentioned_data); free (bi); } |