From 71cc9b8c39148d19a8043b74ca8b6b4e8b8072ca Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Wed, 15 Dec 2021 02:22:34 -0300 Subject: [PATCH] [PR100518] store by mult pieces: keep addr in Pmode The conversion of a MEM address to ptr_mode in try_store_by_multiple_pieces was misguided: copy_addr_to_reg expects Pmode for addresses. for gcc/ChangeLog PR target/100518 * builtins.c (try_store_by_multiple_pieces): Drop address conversion to ptr_mode. for gcc/testsuite/ChangeLog PR target/100518 * gcc.target/aarch64/pr100518.c: New. --- gcc/builtins.c | 2 +- gcc/testsuite/gcc.target/aarch64/pr100518.c | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/pr100518.c diff --git a/gcc/builtins.c b/gcc/builtins.c index 304d87dafb75..cd8947b4de28 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4003,7 +4003,7 @@ try_store_by_multiple_pieces (rtx to, rtx len, unsigned int ctz_len, constfundata = &valc; } - rtx ptr = copy_addr_to_reg (convert_to_mode (ptr_mode, XEXP (to, 0), 0)); + rtx ptr = copy_addr_to_reg (XEXP (to, 0)); rtx rem = copy_to_mode_reg (ptr_mode, convert_to_mode (ptr_mode, len, 0)); to = replace_equiv_address (to, ptr); set_mem_align (to, align); diff --git a/gcc/testsuite/gcc.target/aarch64/pr100518.c b/gcc/testsuite/gcc.target/aarch64/pr100518.c new file mode 100644 index 000000000000..5ca599f5d2e0 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr100518.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-mabi=ilp32 -mstrict-align -O2" } */ + +int unsigned_range_min, unsigned_range_max, a11___trans_tmp_1; + +void a11() { + a11___trans_tmp_1 = unsigned_range_max < unsigned_range_min; + __builtin_memset((char *)1, 0, a11___trans_tmp_1); +} -- 2.47.2