diff options
Diffstat (limited to 'packages/gcc-linaro/4.8-2015.06/0014-PR60155.patch')
-rw-r--r-- | packages/gcc-linaro/4.8-2015.06/0014-PR60155.patch | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/packages/gcc-linaro/4.8-2015.06/0014-PR60155.patch b/packages/gcc-linaro/4.8-2015.06/0014-PR60155.patch deleted file mode 100644 index f9603c8..0000000 --- a/packages/gcc-linaro/4.8-2015.06/0014-PR60155.patch +++ /dev/null @@ -1,115 +0,0 @@ -From gcc bugzilla https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60155 -Upstream status: in trunk. - -Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> - ---- - gcc/gcse.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++------- - 1 file changed, 64 insertions(+), 7 deletions(-) - ---- a/gcc/gcse.c -+++ b/gcc/gcse.c -@@ -2479,6 +2479,65 @@ - } - } - -+struct set_data -+{ -+ rtx insn; -+ const_rtx set; -+ int nsets; -+}; -+ -+/* Increment number of sets and record set in DATA. */ -+ -+static void -+record_set_data (rtx dest, const_rtx set, void *data) -+{ -+ struct set_data *s = (struct set_data *)data; -+ -+ if (GET_CODE (set) == SET) -+ { -+ /* We allow insns having multiple sets, where all but one are -+ dead as single set insns. In the common case only a single -+ set is present, so we want to avoid checking for REG_UNUSED -+ notes unless necessary. */ -+ if (s->nsets == 1 -+ && find_reg_note (s->insn, REG_UNUSED, SET_DEST (s->set)) -+ && !side_effects_p (s->set)) -+ s->nsets = 0; -+ -+ if (!s->nsets) -+ { -+ /* Record this set. */ -+ s->nsets += 1; -+ s->set = set; -+ } -+ else if (!find_reg_note (s->insn, REG_UNUSED, dest) -+ || side_effects_p (set)) -+ s->nsets += 1; -+ } -+} -+ -+static const_rtx -+single_set_gcse (rtx insn) -+{ -+ struct set_data s; -+ rtx pattern; -+ -+ gcc_assert (INSN_P (insn)); -+ -+ /* Optimize common case. */ -+ pattern = PATTERN (insn); -+ if (GET_CODE (pattern) == SET) -+ return pattern; -+ -+ s.insn = insn; -+ s.nsets = 0; -+ note_stores (pattern, record_set_data, &s); -+ -+ /* Considered invariant insns have exactly one set. */ -+ gcc_assert (s.nsets == 1); -+ return s.set; -+} -+ - /* Emit move from SRC to DEST noting the equivalence with expression computed - in INSN. */ - -@@ -2486,7 +2545,8 @@ - gcse_emit_move_after (rtx dest, rtx src, rtx insn) - { - rtx new_rtx; -- rtx set = single_set (insn), set2; -+ const_rtx set = single_set_gcse (insn); -+ rtx set2; - rtx note; - rtx eqv = NULL_RTX; - -@@ -3345,13 +3405,12 @@ - FOR_EACH_VEC_ELT (occrs_to_hoist, j, occr) - { - rtx insn; -- rtx set; -+ const_rtx set; - - gcc_assert (!occr->deleted_p); - - insn = occr->insn; -- set = single_set (insn); -- gcc_assert (set); -+ set = single_set_gcse (insn); - - /* Create a pseudo-reg to store the result of reaching - expressions into. Get the mode for the new pseudo -@@ -3432,10 +3491,8 @@ - { - rtx reg; - enum reg_class pressure_class; -- rtx set = single_set (insn); -+ const_rtx set = single_set_gcse (insn); - -- /* Considered invariant insns have only one set. */ -- gcc_assert (set != NULL_RTX); - reg = SET_DEST (set); - if (GET_CODE (reg) == SUBREG) - reg = SUBREG_REG (reg); |