Oops. Sorry. Committed as obvious. A bootstrap
--enable-checking=yes,extra,rtl (same as the reporter, but
not the default) with the patch completed, where a bootstrap
without it failed.
-- >8 --
PR bootstrap/110120
* postreload.cc (reload_cse_move2add, move2add_use_add2_insn): Use
XVECEXP, not XEXP, to access first item of a PARALLEL.
---
gcc/postreload.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/postreload.cc b/gcc/postreload.cc
index b479d4b921ba..20e138b4fa8b 100644
--- a/gcc/postreload.cc
+++ b/gcc/postreload.cc
@@ -1801,7 +1801,7 @@ move2add_use_add2_insn (scalar_int_mode mode, rtx reg,
rtx sym, rtx off,
naked SET, or else its single_set is the first element
in a PARALLEL. */
rtx *setloc = GET_CODE (PATTERN (insn)) == PARALLEL
- ? &XEXP (PATTERN (insn), 0) : &PATTERN (insn);
+ ? &XVECEXP (PATTERN (insn), 0, 0) : &PATTERN (insn);
if (*setloc == set && costs_lt_p (&newcst, &oldcst, speed))
{
changed = validate_change (insn, setloc, new_set, 0);
@@ -2027,7 +2027,7 @@ reload_cse_move2add (rtx_insn *first)
costs_add_n_insns (&oldcst, 1);
rtx *setloc = GET_CODE (PATTERN (next)) == PARALLEL
- ? &XEXP (PATTERN (next), 0) : &PATTERN (next);
+ ? &XVECEXP (PATTERN (next), 0, 0) : &PATTERN (next);
if (*setloc == set
&& costs_lt_p (&newcst, &oldcst, speed)
&& have_add2_insn (reg, new_src))
--
2.30.2
