diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc index c54b6067949a19641fabbe43636efca8cc85abd4..3d6dd98c5c5b79388a706f9abf353704035f9546 100644 --- a/gcc/config/aarch64/aarch64.cc +++ b/gcc/config/aarch64/aarch64.cc @@ -7221,6 +7221,10 @@ aarch64_function_arg_boundary (machine_mode mode, const_tree type) static fixed_size_mode aarch64_get_reg_raw_mode (int regno) { + /* Don't use any non GP registers for __builtin_apply and + __builtin_return if general registers only mode is requested. */ + if (TARGET_GENERAL_REGS_ONLY && !GP_REGNUM_P (regno)) + return as_a <fixed_size_mode> (VOIDmode); if (TARGET_SVE && FP_REGNUM_P (regno)) /* Don't use the SVE part of the register for __builtin_apply and __builtin_return. The SVE registers aren't used by the normal PCS, diff --git a/gcc/testsuite/gcc.target/aarch64/builtin_apply-1.c b/gcc/testsuite/gcc.target/aarch64/builtin_apply-1.c new file mode 100644 index 0000000000000000000000000000000000000000..d70abe037d28504ea1949503c2424e7f1bebee9e --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/builtin_apply-1.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-mgeneral-regs-only" } */ +/* PR target/113486 */ + + +/* __builtin_apply should not use FP registers if + general registers only mode is requested. */ +void +foo (void) +{ + __builtin_apply (foo, 0, 0); +}