diff options
| author | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
|---|---|---|
| committer | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
| commit | 709c4d66e0b107ca606941b988bad717c0b45d9b (patch) | |
| tree | 37ee08b1eb308f3b2b6426d5793545c38396b838 /recipes/gcc/gcc-4.1.1/cse.patch | |
| parent | fa6cd5a3b993f16c27de4ff82b42684516d433ba (diff) | |
rename packages/ to recipes/ per earlier agreement
See links below for more details:
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Acked-by: Mike Westerhof <mwester@dls.net>
Acked-by: Philip Balister <philip@balister.org>
Acked-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Marcin Juszkiewicz <hrw@openembedded.org>
Acked-by: Koen Kooi <koen@openembedded.org>
Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/gcc/gcc-4.1.1/cse.patch')
| -rw-r--r-- | recipes/gcc/gcc-4.1.1/cse.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/recipes/gcc/gcc-4.1.1/cse.patch b/recipes/gcc/gcc-4.1.1/cse.patch new file mode 100644 index 0000000000..88b22c714f --- /dev/null +++ b/recipes/gcc/gcc-4.1.1/cse.patch @@ -0,0 +1,75 @@ +-- gcc-4_1-branch/gcc/cse.c 2006/07/20 14:20:26 115619 ++++ gcc-4_1-branch/gcc/cse.c 2006/07/20 15:07:25 115620 +@@ -4697,6 +4697,8 @@ + unsigned src_const_hash; + /* Table entry for constant equivalent for SET_SRC, if any. */ + struct table_elt *src_const_elt; ++ /* Table entry for the destination address. */ ++ struct table_elt *dest_addr_elt; + }; + + static void +@@ -5936,6 +5938,40 @@ + so that the destination goes into that class. */ + sets[i].src_elt = src_eqv_elt; + ++ /* Record destination addresses in the hash table. This allows us to ++ check if they are invalidated by other sets. */ ++ for (i = 0; i < n_sets; i++) ++ { ++ if (sets[i].rtl) ++ { ++ rtx x = sets[i].inner_dest; ++ struct table_elt *elt; ++ enum machine_mode mode; ++ unsigned hash; ++ ++ if (MEM_P (x)) ++ { ++ x = XEXP (x, 0); ++ mode = GET_MODE (x); ++ hash = HASH (x, mode); ++ elt = lookup (x, hash, mode); ++ if (!elt) ++ { ++ if (insert_regs (x, NULL, 0)) ++ { ++ rehash_using_reg (x); ++ hash = HASH (x, mode); ++ } ++ elt = insert (x, NULL, hash, mode); ++ } ++ ++ sets[i].dest_addr_elt = elt; ++ } ++ else ++ sets[i].dest_addr_elt = NULL; ++ } ++ } ++ + invalidate_from_clobbers (x); + + /* Some registers are invalidated by subroutine calls. Memory is +@@ -6028,12 +6064,20 @@ + } + + /* We may have just removed some of the src_elt's from the hash table. +- So replace each one with the current head of the same class. */ ++ So replace each one with the current head of the same class. ++ Also check if destination addresses have been removed. */ + + for (i = 0; i < n_sets; i++) + if (sets[i].rtl) + { +- if (sets[i].src_elt && sets[i].src_elt->first_same_value == 0) ++ if (sets[i].dest_addr_elt ++ && sets[i].dest_addr_elt->first_same_value == 0) ++ { ++ /* The elt was removed, which means this destination s not ++ valid after this instruction. */ ++ sets[i].rtl = NULL_RTX; ++ } ++ else if (sets[i].src_elt && sets[i].src_elt->first_same_value == 0) + /* If elt was removed, find current head of same class, + or 0 if nothing remains of that class. */ + { |