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| author | David S. Miller <davem@redhat.com> | 2002-05-30 03:23:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2002-05-30 03:23:30 -0700 |
| commit | 62a35e6088788bae63480d381be74e5493e39df4 (patch) | |
| tree | 4e70bf4de9257efe081c1c0f98f589ef7c87e44c /gcc/emit-rtl.c | |
| parent | 128977c9d0c1d072b7e9d11dd0f9840c3ef79105 (diff) | |
| download | gcc-62a35e6088788bae63480d381be74e5493e39df4.zip gcc-62a35e6088788bae63480d381be74e5493e39df4.tar.gz gcc-62a35e6088788bae63480d381be74e5493e39df4.tar.bz2 | |
rtl.h (clear_emit_caches): Delete.
2002-05-29 David S. Miller <davem@redhat.com>
* rtl.h (clear_emit_caches): Delete.
* integrate.c (output_inline_function): Don't call it.
* emit-rtl.c (restore_emit_status, init_emit): Likewise.
(clear_emit_caches): Delete definition.
(SEQUENCE_RESULT_SIZE, sequence_result, free_insn): Likewise.
From-SVN: r54053
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 963946a..8f8f701e 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -151,26 +151,6 @@ static htab_t mem_attrs_htab; /* A hash table storing all CONST_DOUBLEs. */ static htab_t const_double_htab; -/* start_sequence and gen_sequence can make a lot of rtx expressions which are - shortly thrown away. We use two mechanisms to prevent this waste: - - For sizes up to 5 elements, we keep a SEQUENCE and its associated - rtvec for use by gen_sequence. One entry for each size is - sufficient because most cases are calls to gen_sequence followed by - immediately emitting the SEQUENCE. Reuse is safe since emitting a - sequence is destructive on the insn in it anyway and hence can't be - redone. - - We do not bother to save this cached data over nested function calls. - Instead, we just reinitialize them. */ - -#define SEQUENCE_RESULT_SIZE 5 - -static rtx sequence_result[SEQUENCE_RESULT_SIZE]; - -/* During RTL generation, we also keep a list of free INSN rtl codes. */ -static rtx free_insn; - #define first_insn (cfun->emit->x_first_insn) #define last_insn (cfun->emit->x_last_insn) #define cur_insn_uid (cfun->emit->x_cur_insn_uid) @@ -2256,7 +2236,6 @@ restore_emit_status (p) struct function *p ATTRIBUTE_UNUSED; { last_label_num = 0; - clear_emit_caches (); } /* Clear out all parts of the state in F that can safely be discarded @@ -4656,16 +4635,6 @@ init_virtual_regs (es) ptr[VIRTUAL_CFA_REGNUM] = virtual_cfa_rtx; } -void -clear_emit_caches () -{ - int i; - - /* Clear the start_sequence/gen_sequence cache. */ - for (i = 0; i < SEQUENCE_RESULT_SIZE; i++) - sequence_result[i] = 0; - free_insn = 0; -} /* Used by copy_insn_1 to avoid copying SCRATCHes more than once. */ static rtx copy_insn_scratch_in[MAX_RECOG_OPERANDS]; @@ -4860,8 +4829,6 @@ init_emit () last_label_num = 0; seq_stack = NULL; - clear_emit_caches (); - /* Init the tables that describe all the pseudo regs. */ f->emit->regno_pointer_align_length = LAST_VIRTUAL_REGISTER + 101; |