https://gcc.gnu.org/g:feda1cfe152e2d74ddc66278448b2cb8ec1f6234
commit r16-7514-gfeda1cfe152e2d74ddc66278448b2cb8ec1f6234 Author: Maciej W. Rozycki <[email protected]> Date: Sat Feb 14 14:24:46 2026 +0000 VAX: Fix invalid RTX operand access in `nonindexed_address_p' Replace an unguarded early access to the incoming RTX's operand 0 in `nonindexed_address_p' with direct accesses at the actual use places, fixing a libgcc build error: during RTL pass: reload .../libgcc/libgcc2.c: In function '__udiv_w_sdiv': .../libgcc/libgcc2.c:649:1: internal compiler error: RTL check: expected elt 0 type 'e' or 'u', have 'r' (rtx reg) in nonindexed_address_p, at config/vax/vax.cc:1826 where `--enable-checking=rtl' has been specified so as to enable RTL consistency checks. gcc/ * config/vax/vax.cc (nonindexed_address_p): Move incoming RTX's operand 0 access to the actual use places. Diff: --- gcc/config/vax/vax.cc | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/gcc/config/vax/vax.cc b/gcc/config/vax/vax.cc index 8939aa4c3afc..07267fa03031 100644 --- a/gcc/config/vax/vax.cc +++ b/gcc/config/vax/vax.cc @@ -1811,7 +1811,6 @@ indirectable_address_p (rtx x, bool strict, bool indirect) static bool nonindexed_address_p (rtx x, bool strict) { - rtx xfoo0; if (REG_P (x)) { if (! reload_in_progress @@ -1823,11 +1822,10 @@ nonindexed_address_p (rtx x, bool strict) return true; if (indirectable_address_p (x, strict, false)) return true; - xfoo0 = XEXP (x, 0); - if (MEM_P (x) && indirectable_address_p (xfoo0, strict, true)) + if (MEM_P (x) && indirectable_address_p (XEXP (x, 0), strict, true)) return true; if ((GET_CODE (x) == PRE_DEC || GET_CODE (x) == POST_INC) - && BASE_REGISTER_P (xfoo0, strict)) + && BASE_REGISTER_P (XEXP (x, 0), strict)) return true; return false; }
