aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2017-02-26 09:14:41 +1030
committerAlan Modra <amodra@gcc.gnu.org>2017-02-26 09:14:41 +1030
commit0a001dcba6ab07a6569031a52fb0375eaa8fe94f (patch)
tree54327ae61a01617771e4df744de94bc01f82e681
parent888339e6484b40591bbc9728eb2c0228715889c1 (diff)
downloadgcc-0a001dcba6ab07a6569031a52fb0375eaa8fe94f.zip
gcc-0a001dcba6ab07a6569031a52fb0375eaa8fe94f.tar.gz
gcc-0a001dcba6ab07a6569031a52fb0375eaa8fe94f.tar.bz2
PR79584, ICE in base_to_reg
PR rtl-optimization/79584 * lra-constraints.c (base_to_reg): Reload ad->base, the entire base, not ad->base_term, the reg within base. Remove assertion that ad->base == ad->base_term. Replace gen_int_mode using bogus mode with const0_rtx. From-SVN: r245741
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/lra-constraints.c8
2 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 18410bc..fd75430 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2017-02-25 Alan Modra <amodra@gmail.com>
+
+ PR rtl-optimization/79584
+ * lra-constraints.c (base_to_reg): Reload ad->base, the entire
+ base, not ad->base_term, the reg within base. Remove assertion
+ that ad->base == ad->base_term. Replace gen_int_mode using
+ bogus mode with const0_rtx.
+
2017-02-25 Jakub Jelinek <jakub@redhat.com>
PR middle-end/79396
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 224a956..c67bd06 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -2927,18 +2927,18 @@ base_to_reg (struct address_info *ad)
rtx_insn *insn;
rtx_insn *last_insn = get_last_insn();
- lra_assert (ad->base == ad->base_term && ad->disp == ad->disp_term);
+ lra_assert (ad->disp == ad->disp_term);
cl = base_reg_class (ad->mode, ad->as, ad->base_outer_code,
get_index_code (ad));
- new_reg = lra_create_new_reg (GET_MODE (*ad->base_term), NULL_RTX,
+ new_reg = lra_create_new_reg (GET_MODE (*ad->base), NULL_RTX,
cl, "base");
new_inner = simplify_gen_binary (PLUS, GET_MODE (new_reg), new_reg,
ad->disp_term == NULL
- ? gen_int_mode (0, ad->mode)
+ ? const0_rtx
: *ad->disp_term);
if (!valid_address_p (ad->mode, new_inner, ad->as))
return NULL_RTX;
- insn = emit_insn (gen_rtx_SET (new_reg, *ad->base_term));
+ insn = emit_insn (gen_rtx_SET (new_reg, *ad->base));
code = recog_memoized (insn);
if (code < 0)
{