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| author | J"orn Rennecke <joern.rennecke@st.com> | 2005-09-20 21:48:36 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2005-09-20 22:48:36 +0100 |
| commit | 070a7956aa83825d8cdcc0d1b73aa64a0383ce84 (patch) | |
| tree | b5aed08c2aba5538d50f0915cdd9050b95ec600d /gcc/genattr.c | |
| parent | 9972f30d1c2b29cdfc35421bbb5f4902ff0a1879 (diff) | |
| download | gcc-070a7956aa83825d8cdcc0d1b73aa64a0383ce84.zip gcc-070a7956aa83825d8cdcc0d1b73aa64a0383ce84.tar.gz gcc-070a7956aa83825d8cdcc0d1b73aa64a0383ce84.tar.bz2 | |
re PR rtl-optimization/23898 (basic block reordering excessively increases code size; get_uncond_jump_length pessimistic)
PR rtl-optimization/23898
* output.h (get_attr_min_length): Declare.
* final.c (get_attr_length_1): New function, broken out of:
(get_attr_length).
(get_attr_min_length): New function.
* bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
(duplicate_computed_gotos): Likewise.
* genattr.c (insn_min_length): Generate declaration.
* genattrtab.c (min_fn, min_attr_value): New functions.
(make_length_attrs): Generate insn_min_length.
From-SVN: r104468
Diffstat (limited to 'gcc/genattr.c')
| -rw-r--r-- | gcc/genattr.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/genattr.c b/gcc/genattr.c index a103795..0e039e7 100644 --- a/gcc/genattr.c +++ b/gcc/genattr.c @@ -79,6 +79,7 @@ gen_attr (rtx attr) puts ("\ extern void shorten_branches (rtx);\n\ extern int insn_default_length (rtx);\n\ +extern int insn_min_length (rtx);\n\ extern int insn_variable_length_p (rtx);\n\ extern int insn_current_length (rtx);\n\n\ #include \"insn-addr.h\"\n"); |