gcc/ChangeLog: * config/loongarch/loongarch.cc (loongarch_split_symbol): Assign the '/u' attribute to the mem.
gcc/testsuite/ChangeLog: * g++.target/loongarch/got-load.C: New test. --- gcc/config/loongarch/loongarch.cc | 5 +++++ gcc/testsuite/g++.target/loongarch/got-load.C | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 gcc/testsuite/g++.target/loongarch/got-load.C diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index 3b8559bfdc8..82467474288 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -3202,6 +3202,11 @@ loongarch_split_symbol (rtx temp, rtx addr, machine_mode mode, rtx *low_out) rtx mem = gen_rtx_MEM (Pmode, low); *low_out = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, mem), UNSPEC_LOAD_FROM_GOT); + + /* Nonzero in a mem, if the memory is statically allocated and + read-only. A common example of the later is a shared library’s + global offset table. */ + MEM_READONLY_P (mem) = 1; } break; diff --git a/gcc/testsuite/g++.target/loongarch/got-load.C b/gcc/testsuite/g++.target/loongarch/got-load.C new file mode 100644 index 00000000000..20924c73942 --- /dev/null +++ b/gcc/testsuite/g++.target/loongarch/got-load.C @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-mabi=lp64d -O2 -mexplicit-relocs -mcmodel=normal -fdump-rtl-expand" } */ +/* { dg-final { scan-rtl-dump-times "mem/u" 2 "expand" } } */ + +#include <bits/stdc++.h> + +using namespace std; + +int lr[100005][2]; + +void +test(void) +{ + int n; + + cin >> n; + for (int i = 0; i < n; ++i) + cin >> lr[i][0] >> lr[i][1]; +} -- 2.39.3