diff options
Diffstat (limited to 'gcc/config/arm/arm-builtins.c')
| -rw-r--r-- | gcc/config/arm/arm-builtins.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/config/arm/arm-builtins.c b/gcc/config/arm/arm-builtins.c index 6f4fd9bdb97..dc5780373a6 100644 --- a/gcc/config/arm/arm-builtins.c +++ b/gcc/config/arm/arm-builtins.c @@ -508,6 +508,8 @@ enum arm_builtins ARM_BUILTIN_GET_FPSCR, ARM_BUILTIN_SET_FPSCR, + ARM_BUILTIN_CMSE_NONSECURE_CALLER, + #undef CRYPTO1 #undef CRYPTO2 #undef CRYPTO3 @@ -1224,6 +1226,10 @@ static const struct builtin_description bdesc_2arg[] = FP_BUILTIN (set_fpscr, SET_FPSCR) #undef FP_BUILTIN + {FL_CMSE, CODE_FOR_andsi3, + "__builtin_arm_cmse_nonsecure_caller", ARM_BUILTIN_CMSE_NONSECURE_CALLER, + UNKNOWN, 0}, + #define CRC32_BUILTIN(L, U) \ {0, CODE_FOR_##L, "__builtin_arm_"#L, ARM_BUILTIN_##U, \ UNKNOWN, 0}, @@ -1753,6 +1759,17 @@ arm_init_builtins (void) = add_builtin_function ("__builtin_arm_stfscr", ftype_set_fpscr, ARM_BUILTIN_SET_FPSCR, BUILT_IN_MD, NULL, NULL_TREE); } + + if (arm_arch_cmse) + { + tree ftype_cmse_nonsecure_caller + = build_function_type_list (unsigned_type_node, NULL); + arm_builtin_decls[ARM_BUILTIN_CMSE_NONSECURE_CALLER] + = add_builtin_function ("__builtin_arm_cmse_nonsecure_caller", + ftype_cmse_nonsecure_caller, + ARM_BUILTIN_CMSE_NONSECURE_CALLER, BUILT_IN_MD, + NULL, NULL_TREE); + } } /* Return the ARM builtin for CODE. */ @@ -2273,6 +2290,14 @@ arm_expand_builtin (tree exp, emit_insn (pat); return target; + case ARM_BUILTIN_CMSE_NONSECURE_CALLER: + icode = CODE_FOR_andsi3; + target = gen_reg_rtx (SImode); + op0 = arm_return_addr (0, NULL_RTX); + pat = GEN_FCN (icode) (target, op0, const1_rtx); + emit_insn (pat); + return target; + case ARM_BUILTIN_TEXTRMSB: case ARM_BUILTIN_TEXTRMUB: case ARM_BUILTIN_TEXTRMSH: |