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author | Florian Fainelli <florian@openwrt.org> | 2012-11-21 20:27:15 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2012-11-21 20:27:15 +0000 |
commit | bca3953ee5f178303ed835f66784a4cb21f7c8cd (patch) | |
tree | 7bf8a5d04ed627dfbaf6ebc8aef999ea8f63a442 /toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch | |
parent | f1498531c78466ab07c1c2b1cc788f2689e9b18e (diff) | |
download | upstream-bca3953ee5f178303ed835f66784a4cb21f7c8cd.tar.gz upstream-bca3953ee5f178303ed835f66784a4cb21f7c8cd.tar.bz2 upstream-bca3953ee5f178303ed835f66784a4cb21f7c8cd.zip |
gcc: remove support for 4.7.0
There are no good reasons for keeping this version around when 4.7.2 and
4.7-linaro are there.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 34296
Diffstat (limited to 'toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch')
-rw-r--r-- | toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch b/toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch deleted file mode 100644 index 508ed853c2..0000000000 --- a/toolchain/gcc/patches/4.7.0/000-upstream_uclibc_fix.patch +++ /dev/null @@ -1,241 +0,0 @@ ---- a/gcc/tree-ssa-tail-merge.c (revision 185028) -+++ b/gcc/tree-ssa-tail-merge.c (working copy) -@@ -1033,7 +1033,7 @@ set_cluster (basic_block bb1, basic_bloc - gimple_bb (s2) are members of SAME_SUCC. */ - - static bool --gimple_equal_p (same_succ same_succ, gimple s1, gimple s2) -+gimple_equal_p (same_succ same_succ, gimple s1, gimple s2, bool *gvn_used) - { - unsigned int i; - tree lhs1, lhs2; -@@ -1069,7 +1069,10 @@ gimple_equal_p (same_succ same_succ, gim - if (operand_equal_p (t1, t2, 0)) - continue; - if (gvn_uses_equal (t1, t2)) -- continue; -+ { -+ *gvn_used = true; -+ continue; -+ } - equal = false; - break; - } -@@ -1083,12 +1086,16 @@ gimple_equal_p (same_succ same_succ, gim - if (lhs1 == NULL_TREE || lhs2 == NULL_TREE) - return false; - if (TREE_CODE (lhs1) == SSA_NAME && TREE_CODE (lhs2) == SSA_NAME) -- return vn_valueize (lhs1) == vn_valueize (lhs2); -+ { -+ *gvn_used = true; -+ return vn_valueize (lhs1) == vn_valueize (lhs2); -+ } - return operand_equal_p (lhs1, lhs2, 0); - - case GIMPLE_ASSIGN: - lhs1 = gimple_get_lhs (s1); - lhs2 = gimple_get_lhs (s2); -+ *gvn_used = true; - return (TREE_CODE (lhs1) == SSA_NAME - && TREE_CODE (lhs2) == SSA_NAME - && vn_valueize (lhs1) == vn_valueize (lhs2)); -@@ -1096,15 +1103,23 @@ gimple_equal_p (same_succ same_succ, gim - case GIMPLE_COND: - t1 = gimple_cond_lhs (s1); - t2 = gimple_cond_lhs (s2); -- if (!operand_equal_p (t1, t2, 0) -- && !gvn_uses_equal (t1, t2)) -- return false; -+ if (!operand_equal_p (t1, t2, 0)) -+ { -+ if (gvn_uses_equal (t1, t2)) -+ *gvn_used = true; -+ else -+ return false; -+ } - - t1 = gimple_cond_rhs (s1); - t2 = gimple_cond_rhs (s2); -- if (!operand_equal_p (t1, t2, 0) -- && !gvn_uses_equal (t1, t2)) -- return false; -+ if (!operand_equal_p (t1, t2, 0)) -+ { -+ if (gvn_uses_equal (t1, t2)) -+ *gvn_used = true; -+ else -+ return false; -+ } - - code1 = gimple_expr_code (s1); - code2 = gimple_expr_code (s2); -@@ -1126,18 +1141,25 @@ gimple_equal_p (same_succ same_succ, gim - /* Let GSI skip backwards over local defs. */ - - static void --gsi_advance_bw_nondebug_nonlocal (gimple_stmt_iterator *gsi) -+gsi_advance_bw_nondebug_nonlocal (gimple_stmt_iterator *gsi, tree *vuse) - { - gimple stmt; -+ tree lvuse; - - while (true) - { - if (gsi_end_p (*gsi)) - return; - stmt = gsi_stmt (*gsi); -+ -+ lvuse = gimple_vuse (stmt); -+ if (lvuse != NULL_TREE) -+ *vuse = lvuse; -+ - if (!(is_gimple_assign (stmt) && local_def (gimple_get_lhs (stmt)) - && !gimple_has_side_effects (stmt))) - return; -+ - gsi_prev_nondebug (gsi); - } - } -@@ -1146,28 +1168,34 @@ gsi_advance_bw_nondebug_nonlocal (gimple - clusters them. */ - - static void --find_duplicate (same_succ same_succ, basic_block bb1, basic_block bb2) -+find_duplicate (same_succ same_succ, basic_block bb1, basic_block bb2, -+ bool gvn_used) - { - gimple_stmt_iterator gsi1 = gsi_last_nondebug_bb (bb1); - gimple_stmt_iterator gsi2 = gsi_last_nondebug_bb (bb2); -+ tree vuse1 = NULL_TREE, vuse2 = NULL_TREE; - -- gsi_advance_bw_nondebug_nonlocal (&gsi1); -- gsi_advance_bw_nondebug_nonlocal (&gsi2); -+ gsi_advance_bw_nondebug_nonlocal (&gsi1, &vuse1); -+ gsi_advance_bw_nondebug_nonlocal (&gsi2, &vuse2); - - while (!gsi_end_p (gsi1) && !gsi_end_p (gsi2)) - { -- if (!gimple_equal_p (same_succ, gsi_stmt (gsi1), gsi_stmt (gsi2))) -+ if (!gimple_equal_p (same_succ, gsi_stmt (gsi1), gsi_stmt (gsi2), -+ &gvn_used)) - return; - - gsi_prev_nondebug (&gsi1); - gsi_prev_nondebug (&gsi2); -- gsi_advance_bw_nondebug_nonlocal (&gsi1); -- gsi_advance_bw_nondebug_nonlocal (&gsi2); -+ gsi_advance_bw_nondebug_nonlocal (&gsi1, &vuse1); -+ gsi_advance_bw_nondebug_nonlocal (&gsi2, &vuse2); - } - - if (!(gsi_end_p (gsi1) && gsi_end_p (gsi2))) - return; - -+ if (gvn_used && vuse1 != vuse2) -+ return; -+ - if (dump_file) - fprintf (dump_file, "find_duplicates: <bb %d> duplicate of <bb %d>\n", - bb1->index, bb2->index); -@@ -1179,7 +1207,7 @@ find_duplicate (same_succ same_succ, bas - E2 are equal. */ - - static bool --same_phi_alternatives_1 (basic_block dest, edge e1, edge e2) -+same_phi_alternatives_1 (basic_block dest, edge e1, edge e2, bool *gvn_used) - { - int n1 = e1->dest_idx, n2 = e2->dest_idx; - gimple_stmt_iterator gsi; -@@ -1197,7 +1225,10 @@ same_phi_alternatives_1 (basic_block des - if (operand_equal_for_phi_arg_p (val1, val2)) - continue; - if (gvn_uses_equal (val1, val2)) -- continue; -+ { -+ *gvn_used = true; -+ continue; -+ } - - return false; - } -@@ -1209,7 +1240,8 @@ same_phi_alternatives_1 (basic_block des - phi alternatives for BB1 and BB2 are equal. */ - - static bool --same_phi_alternatives (same_succ same_succ, basic_block bb1, basic_block bb2) -+same_phi_alternatives (same_succ same_succ, basic_block bb1, basic_block bb2, -+ bool *gvn_used) - { - unsigned int s; - bitmap_iterator bs; -@@ -1227,7 +1259,7 @@ same_phi_alternatives (same_succ same_su - - /* For all phis in bb, the phi alternatives for e1 and e2 need to have - the same value. */ -- if (!same_phi_alternatives_1 (succ, e1, e2)) -+ if (!same_phi_alternatives_1 (succ, e1, e2, gvn_used)) - return false; - } - -@@ -1301,6 +1333,7 @@ find_clusters_1 (same_succ same_succ) - bitmap_iterator bi, bj; - int nr_comparisons; - int max_comparisons = PARAM_VALUE (PARAM_MAX_TAIL_MERGE_COMPARISONS); -+ bool gvn_used; - - EXECUTE_IF_SET_IN_BITMAP (same_succ->bbs, 0, i, bi) - { -@@ -1333,10 +1366,11 @@ find_clusters_1 (same_succ same_succ) - if (!deps_ok_for_redirect (bb1, bb2)) - continue; - -- if (!(same_phi_alternatives (same_succ, bb1, bb2))) -+ gvn_used = false; -+ if (!(same_phi_alternatives (same_succ, bb1, bb2, &gvn_used))) - continue; - -- find_duplicate (same_succ, bb1, bb2); -+ find_duplicate (same_succ, bb1, bb2, gvn_used); - } - } - } -Index: gcc/testsuite/gcc.dg/pr52734.c -=================================================================== ---- /dev/null (new file) -+++ gcc/testsuite/gcc.dg/pr52734.c (revision 0) -@@ -0,0 +1,35 @@ -+/* { dg-do run } */ -+/* { dg-options "-O2" } */ -+ -+int bbb = 0; -+ -+int __attribute__((noinline,noclone)) aaa(void) -+{ -+ ++bbb; -+ return 0; -+} -+ -+int __attribute__((noinline,noclone)) ccc(void) -+{ -+ int ddd; -+ /* bbb == 0 */ -+ if (aaa()) -+ return bbb; -+ -+ /* bbb == 1 */ -+ ddd = bbb; -+ /* bbb == ddd == 1 */ -+ if (aaa ()) -+ return 0; -+ /* bbb == 2, ddd == 1 */ -+ -+ return ddd; -+} -+ -+int main(void) -+{ -+ if (ccc() != 1) -+ __builtin_abort(); -+ return 0; -+} -+ |