gcc/ChangeLog: * config/riscv/riscv.cc (riscv_adjust_libcall_cfi_prologue): use Pmode for cfi reg/mem machmode (riscv_adjust_libcall_cfi_epilogue): use Pmode for cfi reg machmode
gcc/testsuite/ChangeLog: * gcc.target/riscv/save-restore-cfi-2.c: New test to check machmode for cfi reg/mem. --- gcc/config/riscv/riscv.cc | 6 +++--- .../gcc.target/riscv/save-restore-cfi-2.c | 16 ++++++++++++++++ 2 files changed, 19 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/save-restore-cfi-2.c diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc index caa7858b864..9eafd281260 100644 --- a/gcc/config/riscv/riscv.cc +++ b/gcc/config/riscv/riscv.cc @@ -5370,8 +5370,8 @@ riscv_adjust_libcall_cfi_prologue () else offset = saved_size - ((regno - S2_REGNUM + 4) * UNITS_PER_WORD); - reg = gen_rtx_REG (SImode, regno); - mem = gen_frame_mem (SImode, plus_constant (Pmode, + reg = gen_rtx_REG (Pmode, regno); + mem = gen_frame_mem (Pmode, plus_constant (Pmode, stack_pointer_rtx, offset)); @@ -5510,7 +5510,7 @@ riscv_adjust_libcall_cfi_epilogue () for (int regno = GP_REG_FIRST; regno <= GP_REG_LAST; regno++) if (BITSET_P (cfun->machine->frame.mask, regno - GP_REG_FIRST)) { - reg = gen_rtx_REG (SImode, regno); + reg = gen_rtx_REG (Pmode, regno); dwarf = alloc_reg_note (REG_CFA_RESTORE, reg, dwarf); } diff --git a/gcc/testsuite/gcc.target/riscv/save-restore-cfi-2.c b/gcc/testsuite/gcc.target/riscv/save-restore-cfi-2.c new file mode 100644 index 00000000000..44d805b4de8 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/save-restore-cfi-2.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-fdump-rtl-pro_and_epilogue -O2 -march=rv64gc -mabi=lp64d -msave-restore -mcmodel=medany" } */ +/* { dg-skip-if "" { *-*-* } {"-Os" "-O1" "-O0" "-Og" "-O3" "-Oz" "-flto"} } */ +/* { dg-final { scan-rtl-dump {expr_list:REG_CFA_OFFSET \(set \(mem/c:DI} "pro_and_epilogue" } } */ +/* { dg-final { scan-rtl-dump {expr_list:REG_CFA_RESTORE \(reg:DI 8 s0\)} "pro_and_epilogue" } } */ + +char my_getchar(); +float getf(); + +int foo() +{ + int s0 = my_getchar(); + float f0 = getf(); + int b = my_getchar(); + return f0 + s0 + b; +} -- 2.17.1