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-rw-r--r--gcc/reload.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index 011f899..d8b4136 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -3803,11 +3803,16 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
(insn_code_number < 0 ? 0
: insn_operand_strict_low[insn_code_number][i]),
1, i, operand_type[i]);
- /* If a memory reference remains, yet we can't make an optional
+ /* If a memory reference remains (either as a MEM or a pseudo that
+ did not get a hard register), yet we can't make an optional
reload, check if this is actually a pseudo register reference;
we then need to emit a USE and/or a CLOBBER so that reload
inheritance will do the right thing. */
- else if (replace && GET_CODE (operand) == MEM)
+ else if (replace
+ && (GET_CODE (operand) == MEM
+ || (GET_CODE (operand) == REG
+ && REGNO (operand) >= FIRST_PSEUDO_REGISTER
+ && reg_renumber [REGNO (operand)] < 0)))
{
operand = *recog_operand_loc[i];