From 4bcb3213f7431a64a4a10919f6661541ee4be88b Mon Sep 17 00:00:00 2001 From: Pat Haugen Date: Tue, 14 Sep 2021 15:02:09 -0500 Subject: [PATCH] Verify destination[source] of a load[store] instruction is a register. Backported from master: 2021-08-09 Pat Haugen gcc/ChangeLog: * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a register. (is_store_insn1): Verify source is a register. --- gcc/config/rs6000/rs6000.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 843ce97b9932..528a6f552bfd 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -18731,7 +18731,12 @@ is_load_insn1 (rtx pat, rtx *load_mem) return false; if (GET_CODE (pat) == SET) - return find_mem_ref (SET_SRC (pat), load_mem); + { + if (REG_P (SET_DEST (pat))) + return find_mem_ref (SET_SRC (pat), load_mem); + else + return false; + } if (GET_CODE (pat) == PARALLEL) { @@ -18768,7 +18773,12 @@ is_store_insn1 (rtx pat, rtx *str_mem) return false; if (GET_CODE (pat) == SET) - return find_mem_ref (SET_DEST (pat), str_mem); + { + if (REG_P (SET_SRC (pat)) || SUBREG_P (SET_SRC (pat))) + return find_mem_ref (SET_DEST (pat), str_mem); + else + return false; + } if (GET_CODE (pat) == PARALLEL) { -- 2.47.2