diff options
Diffstat (limited to 'gcc/config/rx/rx.c')
| -rw-r--r-- | gcc/config/rx/rx.c | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c index 22992732c9a..a932eb5bef0 100644 --- a/gcc/config/rx/rx.c +++ b/gcc/config/rx/rx.c @@ -1905,7 +1905,7 @@ rx_expand_builtin_mvtipl (rtx arg) if (rx_cpu_type == RX610) return NULL_RTX; - if (! CONST_INT_P (arg) || ! IN_RANGE (arg, 0, (1 << 4) - 1)) + if (! CONST_INT_P (arg) || ! IN_RANGE (INTVAL (arg), 0, (1 << 4) - 1)) return NULL_RTX; emit_insn (gen_mvtipl (arg)); @@ -1974,6 +1974,31 @@ rx_expand_builtin_round (rtx arg, rtx target) return target; } +static int +valid_psw_flag (rtx op, char *which) +{ + static int mvtc_inform_done = 0; + + if (GET_CODE (op) == CONST_INT) + switch (INTVAL (op)) + { + case 0: case 'c': case 'C': + case 1: case 'z': case 'Z': + case 2: case 's': case 'S': + case 3: case 'o': case 'O': + case 8: case 'i': case 'I': + case 9: case 'u': case 'U': + return 1; + } + + error ("__builtin_rx_%s takes 'C', 'Z', 'S', 'O', 'I', or 'U'", which); + if (!mvtc_inform_done) + error ("use __builtin_rx_mvtc (0, ... ) to write arbitrary values to PSW"); + mvtc_inform_done = 1; + + return 0; +} + static rtx rx_expand_builtin (tree exp, rtx target, @@ -1989,10 +2014,14 @@ rx_expand_builtin (tree exp, switch (fcode) { case RX_BUILTIN_BRK: emit_insn (gen_brk ()); return NULL_RTX; - case RX_BUILTIN_CLRPSW: return rx_expand_void_builtin_1_arg - (op, gen_clrpsw, false); - case RX_BUILTIN_SETPSW: return rx_expand_void_builtin_1_arg - (op, gen_setpsw, false); + case RX_BUILTIN_CLRPSW: + if (!valid_psw_flag (op, "clrpsw")) + return NULL_RTX; + return rx_expand_void_builtin_1_arg (op, gen_clrpsw, false); + case RX_BUILTIN_SETPSW: + if (!valid_psw_flag (op, "setpsw")) + return NULL_RTX; + return rx_expand_void_builtin_1_arg (op, gen_setpsw, false); case RX_BUILTIN_INT: return rx_expand_void_builtin_1_arg (op, gen_int, false); case RX_BUILTIN_MACHI: return rx_expand_builtin_mac (exp, gen_machi); |